STM32G070 1.3 STM32G070 CM0 r0p1 little true false 2 false 8 32 0x20 0x0 0xFFFFFFFF IWDG Independent watchdog IWDG 0x40003000 0x0 0x400 registers KR KR Key register 0x0 0x20 write-only 0x00000000 KEY Key value (write only, read 0x0000) 0 16 PR PR Prescaler register 0x4 0x20 read-write 0x00000000 PR Prescaler divider 0 3 RLR RLR Reload register 0x8 0x20 read-write 0x00000FFF RL Watchdog counter reload value 0 12 SR SR Status register 0xC 0x20 read-only 0x00000000 WVU Watchdog counter window value update 2 1 RVU Watchdog counter reload value update 1 1 PVU Watchdog prescaler value update 0 1 WINR WINR Window register 0x10 0x20 read-write 0x00000FFF WIN Watchdog counter window value 0 12 HWCFGR HWCFGR hardware configuration register 0x3F0 0x20 read-write 0x00000071 WINDOW Support of Window function 0 4 PR_DEFAULT Prescaler default value 4 4 VERR VERR EXTI IP Version register 0x3F4 0x20 read-only 0x00000023 MINREV Minor Revision number 0 4 MAJREV Major Revision number 4 4 IPIDR IPIDR EXTI Identification register 0x3F8 0x20 read-only 0x00120041 IPID IP Identification 0 32 SIDR SIDR EXTI Size ID register 0x3FC 0x20 read-only 0xA3C5DD01 SID Size Identification 0 32 WWDG System window watchdog WWDG 0x40002C00 0x0 0x400 registers WWDG Window watchdog interrupt 0 CR CR Control register 0x0 0x20 read-write 0x0000007F WDGA Activation bit 7 1 T 7-bit counter (MSB to LSB) 0 7 CFR CFR Configuration register 0x4 0x20 read-write 0x0000007F WDGTB Timer base 11 3 EWI Early wakeup interrupt 9 1 W 7-bit window value 0 7 SR SR Status register 0x8 0x20 read-write 0x00000000 EWIF Early wakeup interrupt flag 0 1 FLASH Flash Flash 0x40022000 0x0 0x400 registers FLASH Flash global interrupt 3 ACR ACR Access control register 0x0 0x20 read-write 0x00000600 LATENCY Latency 0 3 PRFTEN Prefetch enable 8 1 ICEN Instruction cache enable 9 1 ICRST Instruction cache reset 11 1 EMPTY Flash User area empty 16 1 DBG_SWEN Debug access software enable 18 1 KEYR KEYR Flash key register 0x8 0x20 write-only 0x00000000 KEYR KEYR 0 32 OPTKEYR OPTKEYR Option byte key register 0xC 0x20 write-only 0x00000000 OPTKEYR Option byte key 0 32 SR SR Status register 0x10 0x20 read-write 0x00000000 EOP End of operation 0 1 OPERR Operation error 1 1 PROGERR Programming error 3 1 WRPERR Write protected error 4 1 PGAERR Programming alignment error 5 1 SIZERR Size error 6 1 PGSERR Programming sequence error 7 1 MISERR Fast programming data miss error 8 1 FASTERR Fast programming error 9 1 RDERR PCROP read error 14 1 OPTVERR Option and Engineering bits loading validity error 15 1 BSY Busy 16 1 CFGBSY Programming or erase configuration busy. 18 1 CR CR Flash control register 0x14 0x20 read-write 0xC0000000 PG Programming 0 1 PER Page erase 1 1 MER Mass erase 2 1 PNB Page number 3 6 STRT Start 16 1 OPTSTRT Options modification start 17 1 FSTPG Fast programming 18 1 EOPIE End of operation interrupt enable 24 1 ERRIE Error interrupt enable 25 1 RDERRIE PCROP read error interrupt enable 26 1 OBL_LAUNCH Force the option byte loading 27 1 SEC_PROT Securable memory area protection enable 28 1 OPTLOCK Options Lock 30 1 LOCK FLASH_CR Lock 31 1 ECCR ECCR Flash ECC register 0x18 0x20 0x00000000 ADDR_ECC ECC fail address 0 14 read-only SYSF_ECC ECC fail for Corrected ECC Error or Double ECC Error in info block 20 1 read-only ECCIE ECC correction interrupt enable 24 1 read-write ECCC ECC correction 30 1 read-write ECCD ECC detection 31 1 read-write OPTR OPTR Flash option register 0x20 0x20 read-write 0xF0000000 RDP Read protection level 0 8 BOREN BOR reset Level 8 1 BORF_LEV These bits contain the VDD supply level threshold that activates the reset 9 2 BORR_LEV These bits contain the VDD supply level threshold that releases the reset. 11 2 nRST_STOP nRST_STOP 13 1 nRST_STDBY nRST_STDBY 14 1 nRSTS_HDW nRSTS_HDW 15 1 IDWG_SW Independent watchdog selection 16 1 IWDG_STOP Independent watchdog counter freeze in Stop mode 17 1 IWDG_STDBY Independent watchdog counter freeze in Standby mode 18 1 WWDG_SW Window watchdog selection 19 1 RAM_PARITY_CHECK SRAM parity check control 22 1 nBOOT_SEL nBOOT_SEL 24 1 nBOOT1 Boot configuration 25 1 nBOOT0 nBOOT0 option bit 26 1 NRST_MODE NRST_MODE 27 2 IRHEN Internal reset holder enable bit 29 1 PCROP1ASR PCROP1ASR Flash PCROP zone A Start address register 0x24 0x20 read-only 0xF0000000 PCROP1A_STRT PCROP1A area start offset 0 8 PCROP1AER PCROP1AER Flash PCROP zone A End address register 0x28 0x20 read-only 0xF0000000 PCROP1A_END PCROP1A area end offset 0 8 PCROP_RDP PCROP area preserved when RDP level decreased 31 1 WRP1AR WRP1AR Flash WRP area A address register 0x2C 0x20 read-only 0xF0000000 WRP1A_STRT WRP area A start offset 0 6 WRP1A_END WRP area A end offset 16 6 WRP1BR WRP1BR Flash WRP area B address register 0x30 0x20 read-only 0xF0000000 WRP1B_STRT WRP area B start offset 0 6 WRP1B_END WRP area B end offset 16 6 PCROP1BSR PCROP1BSR Flash PCROP zone B Start address register 0x34 0x20 read-only 0xF0000000 PCROP1B_STRT PCROP1B area start offset 0 8 PCROP1BER PCROP1BER Flash PCROP zone B End address register 0x38 0x20 read-only 0xF0000000 PCROP1B_END PCROP1B area end offset 0 8 SECR SECR Flash Security register 0x80 0x20 read-only 0xF0000000 SEC_SIZE Securable memory area size 0 7 BOOT_LOCK used to force boot from user area 16 1 DBG Debug support DBG 0x40015800 0x0 0x400 registers IDCODE IDCODE MCU Device ID Code Register 0x0 0x20 read-only 0x0 DEV_ID Device Identifier 0 16 REV_ID Revision Identifier 16 16 CR CR Debug MCU Configuration Register 0x4 0x20 read-write 0x0 DBG_STOP Debug Stop Mode 1 1 DBG_STANDBY Debug Standby Mode 2 1 APB_FZ1 APB_FZ1 DBG APB freeze register 1 0x8 0x20 read-write 0x0 DBG_TIMER2_STOP Debug Timer 2 stopped when Core is halted 0 1 DBG_TIM3_STOP TIM3 counter stopped when core is halted 1 1 DBG_TIMER6_STOP Debug Timer 6 stopped when Core is halted 4 1 DBG_TIM7_STOP TIM7 counter stopped when core is halted 5 1 DBG_RTC_STOP Debug RTC stopped when Core is halted 10 1 DBG_WWDG_STOP Debug Window Wachdog stopped when Core is halted 11 1 DBG_IWDG_STOP Debug Independent Wachdog stopped when Core is halted 12 1 DBG_I2C1_STOP I2C1 SMBUS timeout mode stopped when core is halted 21 1 DBG_LPTIM2_STOP Clocking of LPTIMER2 counter when the core is halted 30 1 DBG_LPTIM1_STOP Clocking of LPTIMER1 counter when the core is halted 31 1 APB_FZ2 APB_FZ2 DBG APB freeze register 2 0xC 0x20 read-write 0x0 DBG_TIM1_STOP DBG_TIM1_STOP 11 1 DBG_TIM14_STOP DBG_TIM14_STOP 15 1 DBG_TIM15_STOP DBG_TIM15_STOP 16 1 DBG_TIM16_STOP DBG_TIM16_STOP 17 1 DBG_TIM17_STOP DBG_TIM17_STOP 18 1 RCC Reset and clock control RCC 0x40021000 0x0 0x400 registers RCC RCC global interrupt 4 CR CR Clock control register 0x0 0x20 read-write 0x00000063 HSION HSI16 clock enable 8 1 HSIKERON HSI16 always enable for peripheral kernels 9 1 HSIRDY HSI16 clock ready flag 10 1 HSIDIV HSI16 clock division factor 11 3 HSEON HSE clock enable 16 1 HSERDY HSE clock ready flag 17 1 HSEBYP HSE crystal oscillator bypass 18 1 CSSON Clock security system enable 19 1 PLLON PLL enable 24 1 PLLRDY PLL clock ready flag 25 1 ICSCR ICSCR Internal clock sources calibration register 0x4 0x20 0x10000000 HSICAL HSI16 clock calibration 0 8 read-only HSITRIM HSI16 clock trimming 8 7 read-write CFGR CFGR Clock configuration register 0x8 0x20 0x00000000 MCOPRE Microcontroller clock output prescaler 28 3 read-only MCOSEL Microcontroller clock output 24 3 read-write PPRE APB prescaler 12 3 read-write HPRE AHB prescaler 8 4 read-write SWS System clock switch status 3 3 read-only SW System clock switch 0 3 read-write PLLSYSCFGR PLLSYSCFGR PLL configuration register 0xC 0x20 read-write 0x00001000 PLLSRC PLL input clock source 0 2 PLLM Division factor M of the PLL input clock divider 4 3 PLLN PLL frequency multiplication factor N 8 7 PLLPEN PLLPCLK clock output enable 16 1 PLLP PLL VCO division factor P for PLLPCLK clock output 17 5 PLLQEN PLLQCLK clock output enable 24 1 PLLQ PLL VCO division factor Q for PLLQCLK clock output 25 3 PLLREN PLLRCLK clock output enable 28 1 PLLR PLL VCO division factor R for PLLRCLK clock output 29 3 CIER CIER Clock interrupt enable register 0x18 0x20 read-write 0x00000000 LSIRDYIE LSI ready interrupt enable 0 1 LSERDYIE LSE ready interrupt enable 1 1 HSIRDYIE HSI ready interrupt enable 3 1 HSERDYIE HSE ready interrupt enable 4 1 PLLSYSRDYIE PLL ready interrupt enable 5 1 CIFR CIFR Clock interrupt flag register 0x1C 0x20 read-only 0x00000000 LSIRDYF LSI ready interrupt flag 0 1 LSERDYF LSE ready interrupt flag 1 1 HSIRDYF HSI ready interrupt flag 3 1 HSERDYF HSE ready interrupt flag 4 1 PLLSYSRDYF PLL ready interrupt flag 5 1 CSSF Clock security system interrupt flag 8 1 LSECSSF LSE Clock security system interrupt flag 9 1 CICR CICR Clock interrupt clear register 0x20 0x20 write-only 0x00000000 LSIRDYC LSI ready interrupt clear 0 1 LSERDYC LSE ready interrupt clear 1 1 HSIRDYC HSI ready interrupt clear 3 1 HSERDYC HSE ready interrupt clear 4 1 PLLSYSRDYC PLL ready interrupt clear 5 1 CSSC Clock security system interrupt clear 8 1 LSECSSC LSE Clock security system interrupt clear 9 1 AHBRSTR AHBRSTR AHB peripheral reset register 0x28 0x20 read-write 0x00000000 DMARST DMA1 reset 0 1 FLASHRST FLITF reset 8 1 CRCRST CRC reset 12 1 IOPRSTR IOPRSTR GPIO reset register 0x24 0x20 read-write 0x00000000 IOPARST I/O port A reset 0 1 IOPBRST I/O port B reset 1 1 IOPCRST I/O port C reset 2 1 IOPDRST I/O port D reset 3 1 IOPFRST I/O port F reset 5 1 APBRSTR1 APBRSTR1 APB peripheral reset register 1 0x2C 0x20 read-write 0x00000000 TIM3RST TIM3 timer reset 1 1 TIM6RST TIM6 timer reset 4 1 TIM7RST TIM7 timer reset 5 1 SPI2RST SPI2 reset 14 1 USART2RST USART2 reset 17 1 USART3RST USART3 reset 18 1 USART4RST USART4 reset 19 1 I2C1RST I2C1 reset 21 1 I2C2RST I2C2 reset 22 1 DBGRST Debug support reset 27 1 PWRRST Power interface reset 28 1 APBRSTR2 APBRSTR2 APB peripheral reset register 2 0x30 0x20 read-write 0x00000000 SYSCFGRST SYSCFG, COMP and VREFBUF reset 0 1 TIM1RST TIM1 timer reset 11 1 SPI1RST SPI1 reset 12 1 USART1RST USART1 reset 14 1 TIM14RST TIM14 timer reset 15 1 TIM15RST TIM15 timer reset 16 1 TIM16RST TIM16 timer reset 17 1 TIM17RST TIM17 timer reset 18 1 ADCRST ADC reset 20 1 IOPENR IOPENR GPIO clock enable register 0x34 0x20 read-write 0x00000000 IOPAEN I/O port A clock enable 0 1 IOPBEN I/O port B clock enable 1 1 IOPCEN I/O port C clock enable 2 1 IOPDEN I/O port D clock enable 3 1 IOPFEN I/O port F clock enable 5 1 AHBENR AHBENR AHB peripheral clock enable register 0x38 0x20 read-write 0x00000000 DMAEN DMA clock enable 0 1 FLASHEN Flash memory interface clock enable 8 1 CRCEN CRC clock enable 12 1 APBENR1 APBENR1 APB peripheral clock enable register 1 0x3C 0x20 read-write 0x00000000 TIM3EN TIM3 timer clock enable 1 1 TIM6EN TIM6 timer clock enable 4 1 TIM7EN TIM7 timer clock enable 5 1 RTCAPBEN RTC APB clock enable 10 1 WWDGEN WWDG clock enable 11 1 SPI2EN SPI2 clock enable 14 1 USART2EN USART2 clock enable 17 1 USART3EN USART3 clock enable 18 1 USART4EN USART4 clock enable 19 1 I2C1EN I2C1 clock enable 21 1 I2C2EN I2C2 clock enable 22 1 DBGEN Debug support clock enable 27 1 PWREN Power interface clock enable 28 1 APBENR2 APBENR2 APB peripheral clock enable register 2 0x40 0x20 read-write 0x00000000 SYSCFGEN SYSCFG, COMP and VREFBUF clock enable 0 1 TIM1EN TIM1 timer clock enable 11 1 SPI1EN SPI1 clock enable 12 1 USART1EN USART1 clock enable 14 1 TIM14EN TIM14 timer clock enable 15 1 TIM15EN TIM15 timer clock enable 16 1 TIM16EN TIM16 timer clock enable 17 1 TIM17EN TIM16 timer clock enable 18 1 ADCEN ADC clock enable 20 1 IOPSMENR IOPSMENR GPIO in Sleep mode clock enable register 0x44 0x20 read-write 0x00000000 IOPASMEN I/O port A clock enable during Sleep mode 0 1 IOPBSMEN I/O port B clock enable during Sleep mode 1 1 IOPCSMEN I/O port C clock enable during Sleep mode 2 1 IOPDSMEN I/O port D clock enable during Sleep mode 3 1 IOPFSMEN I/O port F clock enable during Sleep mode 5 1 AHBSMENR AHBSMENR AHB peripheral clock enable in Sleep mode register 0x48 0x20 read-write 0x00000000 DMASMEN DMA clock enable during Sleep mode 0 1 FLASHSMEN Flash memory interface clock enable during Sleep mode 8 1 SRAMSMEN SRAM clock enable during Sleep mode 9 1 CRCSMEN CRC clock enable during Sleep mode 12 1 APBSMENR1 APBSMENR1 APB peripheral clock enable in Sleep mode register 1 0x4C 0x20 read-write 0x00000000 TIM3SMEN TIM3 timer clock enable during Sleep mode 1 1 TIM6SMEN TIM6 timer clock enable during Sleep mode 4 1 TIM7SMEN TIM7 timer clock enable during Sleep mode 5 1 RTCAPBSMEN RTC APB clock enable during Sleep mode 10 1 WWDGSMEN WWDG clock enable during Sleep mode 11 1 SPI2SMEN SPI2 clock enable during Sleep mode 14 1 USART2SMEN USART2 clock enable during Sleep mode 17 1 USART3SMEN USART3 clock enable during Sleep mode 18 1 USART4SMEN USART4 clock enable during Sleep mode 19 1 I2C1SMEN I2C1 clock enable during Sleep mode 21 1 I2C2SMEN I2C2 clock enable during Sleep mode 22 1 DBGSMEN Debug support clock enable during Sleep mode 27 1 PWRSMEN Power interface clock enable during Sleep mode 28 1 APBSMENR2 APBSMENR2 APB peripheral clock enable in Sleep mode register 2 0x50 0x20 read-write 0x00000000 SYSCFGSMEN SYSCFG, COMP and VREFBUF clock enable during Sleep mode 0 1 TIM1SMEN TIM1 timer clock enable during Sleep mode 11 1 SPI1SMEN SPI1 clock enable during Sleep mode 12 1 USART1SMEN USART1 clock enable during Sleep mode 14 1 TIM14SMEN TIM14 timer clock enable during Sleep mode 15 1 TIM15SMEN TIM15 timer clock enable during Sleep mode 16 1 TIM16SMEN TIM16 timer clock enable during Sleep mode 17 1 TIM17SMEN TIM16 timer clock enable during Sleep mode 18 1 ADCSMEN ADC clock enable during Sleep mode 20 1 CCIPR CCIPR Peripherals independent clock configuration register 0x54 0x20 read-write 0x00000000 USART1SEL USART1 clock source selection 0 2 USART2SEL USART2 clock source selection 2 2 I2C1SEL I2C1 clock source selection 12 2 I2S2SEL I2S1 clock source selection 14 2 TIM1SEL TIM1 clock source selection 22 1 TIM15SEL TIM15 clock source selection 24 1 ADCSEL ADCs clock source selection 30 2 BDCR BDCR RTC domain control register 0x5C 0x20 read-write 0x00000000 LSEON LSE oscillator enable 0 1 LSERDY LSE oscillator ready 1 1 LSEBYP LSE oscillator bypass 2 1 LSEDRV LSE oscillator drive capability 3 2 LSECSSON CSS on LSE enable 5 1 LSECSSD CSS on LSE failure Detection 6 1 RTCSEL RTC clock source selection 8 2 RTCEN RTC clock enable 15 1 BDRST RTC domain software reset 16 1 LSCOEN Low-speed clock output (LSCO) enable 24 1 LSCOSEL Low-speed clock output selection 25 1 CSR CSR Control/status register 0x60 0x20 read-write 0x00000000 LSION LSI oscillator enable 0 1 LSIRDY LSI oscillator ready 1 1 RMVF Remove reset flags 23 1 OBLRSTF Option byte loader reset flag 25 1 PINRSTF Pin reset flag 26 1 PWRRSTF BOR or POR/PDR flag 27 1 SFTRSTF Software reset flag 28 1 IWDGRSTF Independent window watchdog reset flag 29 1 WWDGRSTF Window watchdog reset flag 30 1 LPWRRSTF Low-power reset flag 31 1 PWR Power control PWR 0x40007000 0x0 0x400 registers PVD Power voltage detector interrupt 1 CR1 CR1 Power control register 1 0x0 0x20 read-write 0x00000200 LPR Low-power run 14 1 VOS Voltage scaling range selection 9 2 DBP Disable backup domain write protection 8 1 FPD_LPSLP Flash memory powered down during Low-power sleep mode 5 1 FPD_LPRUN Flash memory powered down during Low-power run mode 4 1 FPD_STOP Flash memory powered down during Stop mode 3 1 LPMS Low-power mode selection 0 3 CR2 CR2 Power control register 2 0x4 0x20 read-write 0x00000000 PVDE Power voltage detector enable 0 1 PVDFT Power voltage detector falling threshold selection 1 3 PVDRT Power voltage detector rising threshold selection 4 3 CR3 CR3 Power control register 3 0x8 0x20 read-write 0X00008000 EWUP1 Enable Wakeup pin WKUP1 0 1 EWUP2 Enable Wakeup pin WKUP2 1 1 EWUP4 Enable Wakeup pin WKUP4 3 1 EWUP5 Enable WKUP5 wakeup pin 4 1 EWUP6 Enable WKUP6 wakeup pin 5 1 RRS SRAM retention in Standby mode 8 1 ULPEN Enable the periodical sampling mode for PDR detection 9 1 APC Apply pull-up and pull-down configuration 10 1 EIWUL Enable internal wakeup line 15 1 CR4 CR4 Power control register 4 0xC 0x20 read-write 0x00000000 WP1 Wakeup pin WKUP1 polarity 0 1 WP2 Wakeup pin WKUP2 polarity 1 1 WP4 Wakeup pin WKUP4 polarity 3 1 WP5 Wakeup pin WKUP5 polarity 4 1 WP6 WKUP6 wakeup pin polarity 5 1 VBE VBAT battery charging enable 8 1 VBRS VBAT battery charging resistor selection 9 1 SR1 SR1 Power status register 1 0x10 0x20 read-only 0x00000000 WUF1 Wakeup flag 1 0 1 WUF2 Wakeup flag 2 1 1 WUF4 Wakeup flag 4 3 1 WUF5 Wakeup flag 5 4 1 WUF6 Wakeup flag 6 5 1 SBF Standby flag 8 1 WUFI Wakeup flag internal 15 1 SR2 SR2 Power status register 2 0x14 0x20 read-only 0x00000000 PVDO Power voltage detector output 11 1 VOSF Voltage scaling flag 10 1 REGLPF Low-power regulator flag 9 1 REGLPS Low-power regulator started 8 1 FLASH_RDY Flash ready flag 7 1 SCR SCR Power status clear register 0x18 0x20 write-only 0x00000000 CSBF Clear standby flag 8 1 CWUF6 Clear wakeup flag 6 5 1 CWUF5 Clear wakeup flag 5 4 1 CWUF4 Clear wakeup flag 4 3 1 CWUF2 Clear wakeup flag 2 1 1 CWUF1 Clear wakeup flag 1 0 1 PUCRA PUCRA Power Port A pull-up control register 0x20 0x20 read-write 0x00000000 PU15 Port A pull-up bit y (y=0..15) 15 1 PU14 Port A pull-up bit y (y=0..15) 14 1 PU13 Port A pull-up bit y (y=0..15) 13 1 PU12 Port A pull-up bit y (y=0..15) 12 1 PU11 Port A pull-up bit y (y=0..15) 11 1 PU10 Port A pull-up bit y (y=0..15) 10 1 PU9 Port A pull-up bit y (y=0..15) 9 1 PU8 Port A pull-up bit y (y=0..15) 8 1 PU7 Port A pull-up bit y (y=0..15) 7 1 PU6 Port A pull-up bit y (y=0..15) 6 1 PU5 Port A pull-up bit y (y=0..15) 5 1 PU4 Port A pull-up bit y (y=0..15) 4 1 PU3 Port A pull-up bit y (y=0..15) 3 1 PU2 Port A pull-up bit y (y=0..15) 2 1 PU1 Port A pull-up bit y (y=0..15) 1 1 PU0 Port A pull-up bit y (y=0..15) 0 1 PDCRA PDCRA Power Port A pull-down control register 0x24 0x20 read-write 0x00000000 PD15 Port A pull-down bit y (y=0..15) 15 1 PD14 Port A pull-down bit y (y=0..15) 14 1 PD13 Port A pull-down bit y (y=0..15) 13 1 PD12 Port A pull-down bit y (y=0..15) 12 1 PD11 Port A pull-down bit y (y=0..15) 11 1 PD10 Port A pull-down bit y (y=0..15) 10 1 PD9 Port A pull-down bit y (y=0..15) 9 1 PD8 Port A pull-down bit y (y=0..15) 8 1 PD7 Port A pull-down bit y (y=0..15) 7 1 PD6 Port A pull-down bit y (y=0..15) 6 1 PD5 Port A pull-down bit y (y=0..15) 5 1 PD4 Port A pull-down bit y (y=0..15) 4 1 PD3 Port A pull-down bit y (y=0..15) 3 1 PD2 Port A pull-down bit y (y=0..15) 2 1 PD1 Port A pull-down bit y (y=0..15) 1 1 PD0 Port A pull-down bit y (y=0..15) 0 1 PUCRB PUCRB Power Port B pull-up control register 0x28 0x20 read-write 0x00000000 PU15 Port B pull-up bit y (y=0..15) 15 1 PU14 Port B pull-up bit y (y=0..15) 14 1 PU13 Port B pull-up bit y (y=0..15) 13 1 PU12 Port B pull-up bit y (y=0..15) 12 1 PU11 Port B pull-up bit y (y=0..15) 11 1 PU10 Port B pull-up bit y (y=0..15) 10 1 PU9 Port B pull-up bit y (y=0..15) 9 1 PU8 Port B pull-up bit y (y=0..15) 8 1 PU7 Port B pull-up bit y (y=0..15) 7 1 PU6 Port B pull-up bit y (y=0..15) 6 1 PU5 Port B pull-up bit y (y=0..15) 5 1 PU4 Port B pull-up bit y (y=0..15) 4 1 PU3 Port B pull-up bit y (y=0..15) 3 1 PU2 Port B pull-up bit y (y=0..15) 2 1 PU1 Port B pull-up bit y (y=0..15) 1 1 PU0 Port B pull-up bit y (y=0..15) 0 1 PDCRB PDCRB Power Port B pull-down control register 0x2C 0x20 read-write 0x00000000 PD15 Port B pull-down bit y (y=0..15) 15 1 PD14 Port B pull-down bit y (y=0..15) 14 1 PD13 Port B pull-down bit y (y=0..15) 13 1 PD12 Port B pull-down bit y (y=0..15) 12 1 PD11 Port B pull-down bit y (y=0..15) 11 1 PD10 Port B pull-down bit y (y=0..15) 10 1 PD9 Port B pull-down bit y (y=0..15) 9 1 PD8 Port B pull-down bit y (y=0..15) 8 1 PD7 Port B pull-down bit y (y=0..15) 7 1 PD6 Port B pull-down bit y (y=0..15) 6 1 PD5 Port B pull-down bit y (y=0..15) 5 1 PD4 Port B pull-down bit y (y=0..15) 4 1 PD3 Port B pull-down bit y (y=0..15) 3 1 PD2 Port B pull-down bit y (y=0..15) 2 1 PD1 Port B pull-down bit y (y=0..15) 1 1 PD0 Port B pull-down bit y (y=0..15) 0 1 PUCRC PUCRC Power Port C pull-up control register 0x30 0x20 read-write 0x00000000 PU15 Port C pull-up bit y (y=0..15) 15 1 PU14 Port C pull-up bit y (y=0..15) 14 1 PU13 Port C pull-up bit y (y=0..15) 13 1 PU12 Port C pull-up bit y (y=0..15) 12 1 PU11 Port C pull-up bit y (y=0..15) 11 1 PU10 Port C pull-up bit y (y=0..15) 10 1 PU9 Port C pull-up bit y (y=0..15) 9 1 PU8 Port C pull-up bit y (y=0..15) 8 1 PU7 Port C pull-up bit y (y=0..15) 7 1 PU6 Port C pull-up bit y (y=0..15) 6 1 PU5 Port C pull-up bit y (y=0..15) 5 1 PU4 Port C pull-up bit y (y=0..15) 4 1 PU3 Port C pull-up bit y (y=0..15) 3 1 PU2 Port C pull-up bit y (y=0..15) 2 1 PU1 Port C pull-up bit y (y=0..15) 1 1 PU0 Port C pull-up bit y (y=0..15) 0 1 PDCRC PDCRC Power Port C pull-down control register 0x34 0x20 read-write 0x00000000 PD15 Port C pull-down bit y (y=0..15) 15 1 PD14 Port C pull-down bit y (y=0..15) 14 1 PD13 Port C pull-down bit y (y=0..15) 13 1 PD12 Port C pull-down bit y (y=0..15) 12 1 PD11 Port C pull-down bit y (y=0..15) 11 1 PD10 Port C pull-down bit y (y=0..15) 10 1 PD9 Port C pull-down bit y (y=0..15) 9 1 PD8 Port C pull-down bit y (y=0..15) 8 1 PD7 Port C pull-down bit y (y=0..15) 7 1 PD6 Port C pull-down bit y (y=0..15) 6 1 PD5 Port C pull-down bit y (y=0..15) 5 1 PD4 Port C pull-down bit y (y=0..15) 4 1 PD3 Port C pull-down bit y (y=0..15) 3 1 PD2 Port C pull-down bit y (y=0..15) 2 1 PD1 Port C pull-down bit y (y=0..15) 1 1 PD0 Port C pull-down bit y (y=0..15) 0 1 PUCRD PUCRD Power Port D pull-up control register 0x38 0x20 read-write 0x00000000 PU9 Port D pull-up bit y (y=0..15) 9 1 PU8 Port D pull-up bit y (y=0..15) 8 1 PU6 Port D pull-up bit y (y=0..15) 6 1 PU5 Port D pull-up bit y (y=0..15) 5 1 PU4 Port D pull-up bit y (y=0..15) 4 1 PU3 Port D pull-up bit y (y=0..15) 3 1 PU2 Port D pull-up bit y (y=0..15) 2 1 PU1 Port D pull-up bit y (y=0..15) 1 1 PU0 Port D pull-up bit y (y=0..15) 0 1 PDCRD PDCRD Power Port D pull-down control register 0x3C 0x20 read-write 0x00000000 PD9 Port D pull-down bit y (y=0..15) 9 1 PD8 Port D pull-down bit y (y=0..15) 8 1 PD6 Port D pull-down bit y (y=0..15) 6 1 PD5 Port D pull-down bit y (y=0..15) 5 1 PD4 Port D pull-down bit y (y=0..15) 4 1 PD3 Port D pull-down bit y (y=0..15) 3 1 PD2 Port D pull-down bit y (y=0..15) 2 1 PD1 Port D pull-down bit y (y=0..15) 1 1 PD0 Port D pull-down bit y (y=0..15) 0 1 PUCRF PUCRF Power Port F pull-up control register 0x48 0x20 read-write 0x00000000 PU2 Port F pull-up bit y (y=0..15) 2 1 PU1 Port F pull-up bit y (y=0..15) 1 1 PU0 Port F pull-up bit y (y=0..15) 0 1 PDCRF PDCRF Power Port F pull-down control register 0x4C 0x20 read-write 0x00000000 PD2 Port F pull-down bit y (y=0..15) 2 1 PD1 Port F pull-down bit y (y=0..15) 1 1 PD0 Port F pull-down bit y (y=0..15) 0 1 DMA DMA controller DMA 0x40020000 0x0 0x400 registers DMA_Channel1 DMA channel 1 interrupt 9 DMA_Channel2_3 DMA channel 2 & 3 interrupts 10 ISR ISR low interrupt status register 0x0 0x20 read-only 0x00000000 GIF1 Channel 1 global interrupt flag 0 1 TCIF1 Channel 1 transfer complete flag 1 1 HTIF1 Channel 1 half transfer flag 2 1 TEIF1 Channel 1 transfer error flag 3 1 GIF2 Channel 2 global interrupt flag 4 1 TCIF2 Channel 2 transfer complete flag 5 1 HTIF2 Channel 2 half transfer flag 6 1 TEIF2 Channel 2 transfer error flag 7 1 GIF3 Channel 3 global interrupt flag 8 1 TCIF3 Channel 3 transfer complete flag 9 1 HTIF3 Channel 3 half transfer flag 10 1 TEIF3 Channel 3 transfer error flag 11 1 GIF4 Channel 4 global interrupt flag 12 1 TCIF4 Channel 4 transfer complete flag 13 1 HTIF4 Channel 4 half transfer flag 14 1 TEIF4 Channel 4 transfer error flag 15 1 GIF5 Channel 5 global interrupt flag 16 1 TCIF5 Channel 5 transfer complete flag 17 1 HTIF5 Channel 5 half transfer flag 18 1 TEIF5 Channel 5 transfer error flag 19 1 GIF6 Channel 6 global interrupt flag 20 1 TCIF6 Channel 6 transfer complete flag 21 1 HTIF6 Channel 6 half transfer flag 22 1 TEIF6 Channel 6 transfer error flag 23 1 GIF7 Channel 7 global interrupt flag 24 1 TCIF7 Channel 7 transfer complete flag 25 1 HTIF7 Channel 7 half transfer flag 26 1 TEIF7 Channel 7 transfer error flag 27 1 IFCR IFCR high interrupt status register 0x4 0x20 write-only 0x00000000 CGIF1 Clear channel 1 global interrupt flag 0 1 CTCIF1 Clear channel 1 transfer complete flag 1 1 CHTIF1 Clear channel 1 half transfer flag 2 1 CTEIF1 Clear channel 1 transfer error flag 3 1 CGIF2 Clear channel 2 global interrupt flag 4 1 CTCIF2 Clear channel 2 transfer complete flag 5 1 CHTIF2 Clear channel 2 half transfer flag 6 1 CTEIF2 Clear channel 2 transfer error flag 7 1 CGIF3 Clear channel 3 global interrupt flag 8 1 CTCIF3 Clear channel 3 transfer complete flag 9 1 CHTIF3 Clear channel 3 half transfer flag 10 1 CTEIF3 Clear channel 3 transfer error flag 11 1 CGIF4 Clear channel 4 global interrupt flag 12 1 CTCIF4 Clear channel 4 transfer complete flag 13 1 CHTIF4 Clear channel 4 half transfer flag 14 1 CTEIF4 Clear channel 4 transfer error flag 15 1 CGIF5 Clear channel 5 global interrupt flag 16 1 CTCIF5 Clear channel 5 transfer complete flag 17 1 CHTIF5 Clear channel 5 half transfer flag 18 1 CTEIF5 Clear channel 5 transfer error flag 19 1 CGIF6 Clear channel 6 global interrupt flag 20 1 CTCIF6 Clear channel 6 transfer complete flag 21 1 CHTIF6 Clear channel 6 half transfer flag 22 1 CTEIF6 Clear channel 6 transfer error flag 23 1 CGIF7 Clear channel 7 global interrupt flag 24 1 CTCIF7 Clear channel 7 transfer complete flag 25 1 CHTIF7 Clear channel 7 half transfer flag 26 1 CTEIF7 Clear channel 7 transfer error flag 27 1 CH%sChannel cluster: CCR?, CNDTR?, CPAR?, and CMAR? registers0x8 CR CCR1 DMA channel x configuration register 0x0 0x20 read-write 0x00000000 EN Channel enable 0 1 TCIE Transfer complete interrupt enable 1 1 HTIE Half transfer interrupt enable 2 1 TEIE Transfer error interrupt enable 3 1 DIR Data transfer direction 4 1 CIRC Circular mode 5 1 PINC Peripheral increment mode 6 1 MINC Memory increment mode 7 1 PSIZE Peripheral size 8 2 MSIZE Memory size 10 2 PL Channel priority level 12 2 MEM2MEM Memory to memory mode 14 1 NDTR CNDTR1 DMA channel x number of data register 0x4 0x20 read-write 0x00000000 NDT Number of data to transfer 0 16 PAR CPAR1 DMA channel x peripheral address register 0x8 0x20 read-write 0x00000000 PA Peripheral address 0 32 MAR CMAR1 DMA channel x memory address register 0xc 0x20 read-write 0x00000000 MA Memory address 0 32 71,2,3,4,5,6,70x14 DMAMUX DMAMUX DMAMUX 0x40020800 0x0 0x400 registers DMA_Channel4_5_6_7 DMA channel 4, 5, 6 & 7 and DMAMUX 11 DMAMUX_C0CR DMAMUX_C0CR DMAMux - DMA request line multiplexer channel x control register 0x0 0x20 read-write 0x00000000 DMAREQ_ID Input DMA request line selected 0 8 SOIE Interrupt enable at synchronization event overrun 8 1 EGE Event generation enable/disable 9 1 SE Synchronous operating mode enable/disable 16 1 SPOL Synchronization event type selector Defines the synchronization event on the selected synchronization input: 17 2 NBREQ Number of DMA requests to forward Defines the number of DMA requests forwarded before output event is generated. In synchronous mode, it also defines the number of DMA requests to forward after a synchronization event, then stop forwarding. The actual number of DMA requests forwarded is NBREQ+1. Note: This field can only be written when both SE and EGE bits are reset. 19 5 SYNC_ID Synchronization input selected 24 5 DMAMUX_C1CR DMAMUX_C1CR DMAMux - DMA request line multiplexer channel x control register 0x4 0x20 read-write 0x00000000 DMAREQ_ID Input DMA request line selected 0 8 SOIE Interrupt enable at synchronization event overrun 8 1 EGE Event generation enable/disable 9 1 SE Synchronous operating mode enable/disable 16 1 SPOL Synchronization event type selector Defines the synchronization event on the selected synchronization input: 17 2 NBREQ Number of DMA requests to forward Defines the number of DMA requests forwarded before output event is generated. In synchronous mode, it also defines the number of DMA requests to forward after a synchronization event, then stop forwarding. The actual number of DMA requests forwarded is NBREQ+1. Note: This field can only be written when both SE and EGE bits are reset. 19 5 SYNC_ID Synchronization input selected 24 5 DMAMUX_C2CR DMAMUX_C2CR DMAMux - DMA request line multiplexer channel x control register 0x8 0x20 read-write 0x00000000 DMAREQ_ID Input DMA request line selected 0 8 SOIE Interrupt enable at synchronization event overrun 8 1 EGE Event generation enable/disable 9 1 SE Synchronous operating mode enable/disable 16 1 SPOL Synchronization event type selector Defines the synchronization event on the selected synchronization input: 17 2 NBREQ Number of DMA requests to forward Defines the number of DMA requests forwarded before output event is generated. In synchronous mode, it also defines the number of DMA requests to forward after a synchronization event, then stop forwarding. The actual number of DMA requests forwarded is NBREQ+1. Note: This field can only be written when both SE and EGE bits are reset. 19 5 SYNC_ID Synchronization input selected 24 5 DMAMUX_C3CR DMAMUX_C3CR DMAMux - DMA request line multiplexer channel x control register 0xC 0x20 read-write 0x00000000 DMAREQ_ID Input DMA request line selected 0 8 SOIE Interrupt enable at synchronization event overrun 8 1 EGE Event generation enable/disable 9 1 SE Synchronous operating mode enable/disable 16 1 SPOL Synchronization event type selector Defines the synchronization event on the selected synchronization input: 17 2 NBREQ Number of DMA requests to forward Defines the number of DMA requests forwarded before output event is generated. In synchronous mode, it also defines the number of DMA requests to forward after a synchronization event, then stop forwarding. The actual number of DMA requests forwarded is NBREQ+1. Note: This field can only be written when both SE and EGE bits are reset. 19 5 SYNC_ID Synchronization input selected 24 5 DMAMUX_C4CR DMAMUX_C4CR DMAMux - DMA request line multiplexer channel x control register 0x10 0x20 read-write 0x00000000 DMAREQ_ID Input DMA request line selected 0 8 SOIE Interrupt enable at synchronization event overrun 8 1 EGE Event generation enable/disable 9 1 SE Synchronous operating mode enable/disable 16 1 SPOL Synchronization event type selector Defines the synchronization event on the selected synchronization input: 17 2 NBREQ Number of DMA requests to forward Defines the number of DMA requests forwarded before output event is generated. In synchronous mode, it also defines the number of DMA requests to forward after a synchronization event, then stop forwarding. The actual number of DMA requests forwarded is NBREQ+1. Note: This field can only be written when both SE and EGE bits are reset. 19 5 SYNC_ID Synchronization input selected 24 5 DMAMUX_C5CR DMAMUX_C5CR DMAMux - DMA request line multiplexer channel x control register 0x14 0x20 read-write 0x00000000 DMAREQ_ID Input DMA request line selected 0 8 SOIE Interrupt enable at synchronization event overrun 8 1 EGE Event generation enable/disable 9 1 SE Synchronous operating mode enable/disable 16 1 SPOL Synchronization event type selector Defines the synchronization event on the selected synchronization input: 17 2 NBREQ Number of DMA requests to forward Defines the number of DMA requests forwarded before output event is generated. In synchronous mode, it also defines the number of DMA requests to forward after a synchronization event, then stop forwarding. The actual number of DMA requests forwarded is NBREQ+1. Note: This field can only be written when both SE and EGE bits are reset. 19 5 SYNC_ID Synchronization input selected 24 5 DMAMUX_C6CR DMAMUX_C6CR DMAMux - DMA request line multiplexer channel x control register 0x18 0x20 read-write 0x00000000 DMAREQ_ID Input DMA request line selected 0 8 SOIE Interrupt enable at synchronization event overrun 8 1 EGE Event generation enable/disable 9 1 SE Synchronous operating mode enable/disable 16 1 SPOL Synchronization event type selector Defines the synchronization event on the selected synchronization input: 17 2 NBREQ Number of DMA requests to forward Defines the number of DMA requests forwarded before output event is generated. In synchronous mode, it also defines the number of DMA requests to forward after a synchronization event, then stop forwarding. The actual number of DMA requests forwarded is NBREQ+1. Note: This field can only be written when both SE and EGE bits are reset. 19 5 SYNC_ID Synchronization input selected 24 5 DMAMUX_RG0CR DMAMUX_RG0CR DMAMux - DMA request generator channel x control register 0x100 0x20 read-write 0x00000000 SIG_ID DMA request trigger input selected 0 5 OIE Interrupt enable at trigger event overrun 8 1 GE DMA request generator channel enable/disable 16 1 GPOL DMA request generator trigger event type selection Defines the trigger event on the selected DMA request trigger input 17 2 GNBREQ Number of DMA requests to generate Defines the number of DMA requests generated after a trigger event, then stop generating. The actual number of generated DMA requests is GNBREQ+1. Note: This field can only be written when GE bit is reset. 19 5 DMAMUX_RG1CR DMAMUX_RG1CR DMAMux - DMA request generator channel x control register 0x104 0x20 read-write 0x00000000 SIG_ID DMA request trigger input selected 0 5 OIE Interrupt enable at trigger event overrun 8 1 GE DMA request generator channel enable/disable 16 1 GPOL DMA request generator trigger event type selection Defines the trigger event on the selected DMA request trigger input 17 2 GNBREQ Number of DMA requests to generate Defines the number of DMA requests generated after a trigger event, then stop generating. The actual number of generated DMA requests is GNBREQ+1. Note: This field can only be written when GE bit is reset. 19 5 DMAMUX_RG2CR DMAMUX_RG2CR DMAMux - DMA request generator channel x control register 0x108 0x20 read-write 0x00000000 SIG_ID DMA request trigger input selected 0 5 OIE Interrupt enable at trigger event overrun 8 1 GE DMA request generator channel enable/disable 16 1 GPOL DMA request generator trigger event type selection Defines the trigger event on the selected DMA request trigger input 17 2 GNBREQ Number of DMA requests to generate Defines the number of DMA requests generated after a trigger event, then stop generating. The actual number of generated DMA requests is GNBREQ+1. Note: This field can only be written when GE bit is reset. 19 5 DMAMUX_RG3CR DMAMUX_RG3CR DMAMux - DMA request generator channel x control register 0x10C 0x20 read-write 0x00000000 SIG_ID DMA request trigger input selected 0 5 OIE Interrupt enable at trigger event overrun 8 1 GE DMA request generator channel enable/disable 16 1 GPOL DMA request generator trigger event type selection Defines the trigger event on the selected DMA request trigger input 17 2 GNBREQ Number of DMA requests to generate Defines the number of DMA requests generated after a trigger event, then stop generating. The actual number of generated DMA requests is GNBREQ+1. Note: This field can only be written when GE bit is reset. 19 5 DMAMUX_RGSR DMAMUX_RGSR DMAMux - DMA request generator status register 0x140 0x20 read-only 0x00000000 OF Trigger event overrun flag The flag is set when a trigger event occurs on DMA request generator channel x, while the DMA request generator counter value is lower than GNBREQ. The flag is cleared by writing 1 to the corresponding COFx bit in DMAMUX_RGCFR register. 0 4 DMAMUX_RGCFR DMAMUX_RGCFR DMAMux - DMA request generator clear flag register 0x144 0x20 write-only 0x00000000 COF Clear trigger event overrun flag Upon setting, this bit clears the corresponding overrun flag OFx in the DMAMUX_RGCSR register. 0 4 DMAMUX_CSR DMAMUX_CSR DMAMUX request line multiplexer interrupt channel status register 0x80 0x20 read-only 0x00000000 SOF Synchronization overrun event flag 0 7 DMAMUX_CFR DMAMUX_CFR DMAMUX request line multiplexer interrupt clear flag register 0x84 0x20 write-only 0x00000000 CSOF Clear synchronization overrun event flag 0 7 DMAMUX_SIDR DMAMUX_SIDR DMAMUX size identification register 0x3FC 0x20 read-only 0xA3C5DD01 SID Size identification 0 32 DMAMUX_IPIDR DMAMUX_IPIDR DMAMUX IP identification register 0x3F8 0x20 read-only 0x00100011 ID IP identification 0 32 DMAMUX_VERR DMAMUX_VERR DMAMUX version register 0x3F4 0x20 read-only 0x00000011 MINREV Minor IP revision 0 4 MAJREV Major IP revision 4 4 DMAMUX_HWCFGR1 DMAMUX_HWCFGR1 DMAMUX hardware configuration 1 register 0x3F0 0x20 read-only 0x04173907 NUM_DMA_STREAMS number of DMA request line multiplexer (output) channels 0 8 NUM_DMA_PERIPH_REQ number of DMA request lines from peripherals 8 8 NUM_DMA_TRIG number of synchronization inputs 16 8 NUM_DMA_REQGEN number of DMA request generator channels 24 8 DMAMUX_HWCFGR2 DMAMUX_HWCFGR2 DMAMUX hardware configuration 2 register 0x3EC 0x20 read-only 0x00000017 NUM_DMA_EXT_REQ Number of DMA request trigger inputs 0 8 GPIOA General-purpose I/Os GPIO 0x50000000 0x0 0x400 registers MODER MODER GPIO port mode register 0x0 0x20 read-write 0xEBFFFFFF MODER15 Port x configuration bits (y = 0..15) 30 2 MODER14 Port x configuration bits (y = 0..15) 28 2 MODER13 Port x configuration bits (y = 0..15) 26 2 MODER12 Port x configuration bits (y = 0..15) 24 2 MODER11 Port x configuration bits (y = 0..15) 22 2 MODER10 Port x configuration bits (y = 0..15) 20 2 MODER9 Port x configuration bits (y = 0..15) 18 2 MODER8 Port x configuration bits (y = 0..15) 16 2 MODER7 Port x configuration bits (y = 0..15) 14 2 MODER6 Port x configuration bits (y = 0..15) 12 2 MODER5 Port x configuration bits (y = 0..15) 10 2 MODER4 Port x configuration bits (y = 0..15) 8 2 MODER3 Port x configuration bits (y = 0..15) 6 2 MODER2 Port x configuration bits (y = 0..15) 4 2 MODER1 Port x configuration bits (y = 0..15) 2 2 MODER0 Port x configuration bits (y = 0..15) 0 2 OTYPER OTYPER GPIO port output type register 0x4 0x20 read-write 0x00000000 OT15 Port x configuration bits (y = 0..15) 15 1 OT14 Port x configuration bits (y = 0..15) 14 1 OT13 Port x configuration bits (y = 0..15) 13 1 OT12 Port x configuration bits (y = 0..15) 12 1 OT11 Port x configuration bits (y = 0..15) 11 1 OT10 Port x configuration bits (y = 0..15) 10 1 OT9 Port x configuration bits (y = 0..15) 9 1 OT8 Port x configuration bits (y = 0..15) 8 1 OT7 Port x configuration bits (y = 0..15) 7 1 OT6 Port x configuration bits (y = 0..15) 6 1 OT5 Port x configuration bits (y = 0..15) 5 1 OT4 Port x configuration bits (y = 0..15) 4 1 OT3 Port x configuration bits (y = 0..15) 3 1 OT2 Port x configuration bits (y = 0..15) 2 1 OT1 Port x configuration bits (y = 0..15) 1 1 OT0 Port x configuration bits (y = 0..15) 0 1 OSPEEDR OSPEEDR GPIO port output speed register 0x8 0x20 read-write 0x0C000000 OSPEEDR15 Port x configuration bits (y = 0..15) 30 2 OSPEEDR14 Port x configuration bits (y = 0..15) 28 2 OSPEEDR13 Port x configuration bits (y = 0..15) 26 2 OSPEEDR12 Port x configuration bits (y = 0..15) 24 2 OSPEEDR11 Port x configuration bits (y = 0..15) 22 2 OSPEEDR10 Port x configuration bits (y = 0..15) 20 2 OSPEEDR9 Port x configuration bits (y = 0..15) 18 2 OSPEEDR8 Port x configuration bits (y = 0..15) 16 2 OSPEEDR7 Port x configuration bits (y = 0..15) 14 2 OSPEEDR6 Port x configuration bits (y = 0..15) 12 2 OSPEEDR5 Port x configuration bits (y = 0..15) 10 2 OSPEEDR4 Port x configuration bits (y = 0..15) 8 2 OSPEEDR3 Port x configuration bits (y = 0..15) 6 2 OSPEEDR2 Port x configuration bits (y = 0..15) 4 2 OSPEEDR1 Port x configuration bits (y = 0..15) 2 2 OSPEEDR0 Port x configuration bits (y = 0..15) 0 2 PUPDR PUPDR GPIO port pull-up/pull-down register 0xC 0x20 read-write 0x24000000 PUPDR15 Port x configuration bits (y = 0..15) 30 2 PUPDR14 Port x configuration bits (y = 0..15) 28 2 PUPDR13 Port x configuration bits (y = 0..15) 26 2 PUPDR12 Port x configuration bits (y = 0..15) 24 2 PUPDR11 Port x configuration bits (y = 0..15) 22 2 PUPDR10 Port x configuration bits (y = 0..15) 20 2 PUPDR9 Port x configuration bits (y = 0..15) 18 2 PUPDR8 Port x configuration bits (y = 0..15) 16 2 PUPDR7 Port x configuration bits (y = 0..15) 14 2 PUPDR6 Port x configuration bits (y = 0..15) 12 2 PUPDR5 Port x configuration bits (y = 0..15) 10 2 PUPDR4 Port x configuration bits (y = 0..15) 8 2 PUPDR3 Port x configuration bits (y = 0..15) 6 2 PUPDR2 Port x configuration bits (y = 0..15) 4 2 PUPDR1 Port x configuration bits (y = 0..15) 2 2 PUPDR0 Port x configuration bits (y = 0..15) 0 2 IDR IDR GPIO port input data register 0x10 0x20 read-only 0x00000000 IDR15 Port input data (y = 0..15) 15 1 IDR14 Port input data (y = 0..15) 14 1 IDR13 Port input data (y = 0..15) 13 1 IDR12 Port input data (y = 0..15) 12 1 IDR11 Port input data (y = 0..15) 11 1 IDR10 Port input data (y = 0..15) 10 1 IDR9 Port input data (y = 0..15) 9 1 IDR8 Port input data (y = 0..15) 8 1 IDR7 Port input data (y = 0..15) 7 1 IDR6 Port input data (y = 0..15) 6 1 IDR5 Port input data (y = 0..15) 5 1 IDR4 Port input data (y = 0..15) 4 1 IDR3 Port input data (y = 0..15) 3 1 IDR2 Port input data (y = 0..15) 2 1 IDR1 Port input data (y = 0..15) 1 1 IDR0 Port input data (y = 0..15) 0 1 ODR ODR GPIO port output data register 0x14 0x20 read-write 0x00000000 ODR15 Port output data (y = 0..15) 15 1 ODR14 Port output data (y = 0..15) 14 1 ODR13 Port output data (y = 0..15) 13 1 ODR12 Port output data (y = 0..15) 12 1 ODR11 Port output data (y = 0..15) 11 1 ODR10 Port output data (y = 0..15) 10 1 ODR9 Port output data (y = 0..15) 9 1 ODR8 Port output data (y = 0..15) 8 1 ODR7 Port output data (y = 0..15) 7 1 ODR6 Port output data (y = 0..15) 6 1 ODR5 Port output data (y = 0..15) 5 1 ODR4 Port output data (y = 0..15) 4 1 ODR3 Port output data (y = 0..15) 3 1 ODR2 Port output data (y = 0..15) 2 1 ODR1 Port output data (y = 0..15) 1 1 ODR0 Port output data (y = 0..15) 0 1 BSRR BSRR GPIO port bit set/reset register 0x18 0x20 write-only 0x00000000 BR15 Port x reset bit y (y = 0..15) 31 1 BR14 Port x reset bit y (y = 0..15) 30 1 BR13 Port x reset bit y (y = 0..15) 29 1 BR12 Port x reset bit y (y = 0..15) 28 1 BR11 Port x reset bit y (y = 0..15) 27 1 BR10 Port x reset bit y (y = 0..15) 26 1 BR9 Port x reset bit y (y = 0..15) 25 1 BR8 Port x reset bit y (y = 0..15) 24 1 BR7 Port x reset bit y (y = 0..15) 23 1 BR6 Port x reset bit y (y = 0..15) 22 1 BR5 Port x reset bit y (y = 0..15) 21 1 BR4 Port x reset bit y (y = 0..15) 20 1 BR3 Port x reset bit y (y = 0..15) 19 1 BR2 Port x reset bit y (y = 0..15) 18 1 BR1 Port x reset bit y (y = 0..15) 17 1 BR0 Port x set bit y (y= 0..15) 16 1 BS15 Port x set bit y (y= 0..15) 15 1 BS14 Port x set bit y (y= 0..15) 14 1 BS13 Port x set bit y (y= 0..15) 13 1 BS12 Port x set bit y (y= 0..15) 12 1 BS11 Port x set bit y (y= 0..15) 11 1 BS10 Port x set bit y (y= 0..15) 10 1 BS9 Port x set bit y (y= 0..15) 9 1 BS8 Port x set bit y (y= 0..15) 8 1 BS7 Port x set bit y (y= 0..15) 7 1 BS6 Port x set bit y (y= 0..15) 6 1 BS5 Port x set bit y (y= 0..15) 5 1 BS4 Port x set bit y (y= 0..15) 4 1 BS3 Port x set bit y (y= 0..15) 3 1 BS2 Port x set bit y (y= 0..15) 2 1 BS1 Port x set bit y (y= 0..15) 1 1 BS0 Port x set bit y (y= 0..15) 0 1 LCKR LCKR GPIO port configuration lock register 0x1C 0x20 read-write 0x00000000 LCKK Port x lock bit y (y= 0..15) 16 1 LCK15 Port x lock bit y (y= 0..15) 15 1 LCK14 Port x lock bit y (y= 0..15) 14 1 LCK13 Port x lock bit y (y= 0..15) 13 1 LCK12 Port x lock bit y (y= 0..15) 12 1 LCK11 Port x lock bit y (y= 0..15) 11 1 LCK10 Port x lock bit y (y= 0..15) 10 1 LCK9 Port x lock bit y (y= 0..15) 9 1 LCK8 Port x lock bit y (y= 0..15) 8 1 LCK7 Port x lock bit y (y= 0..15) 7 1 LCK6 Port x lock bit y (y= 0..15) 6 1 LCK5 Port x lock bit y (y= 0..15) 5 1 LCK4 Port x lock bit y (y= 0..15) 4 1 LCK3 Port x lock bit y (y= 0..15) 3 1 LCK2 Port x lock bit y (y= 0..15) 2 1 LCK1 Port x lock bit y (y= 0..15) 1 1 LCK0 Port x lock bit y (y= 0..15) 0 1 AFRL AFRL GPIO alternate function low register 0x20 0x20 read-write 0x00000000 AFSEL7 Alternate function selection for port x bit y (y = 0..7) 28 4 AFSEL6 Alternate function selection for port x bit y (y = 0..7) 24 4 AFSEL5 Alternate function selection for port x bit y (y = 0..7) 20 4 AFSEL4 Alternate function selection for port x bit y (y = 0..7) 16 4 AFSEL3 Alternate function selection for port x bit y (y = 0..7) 12 4 AFSEL2 Alternate function selection for port x bit y (y = 0..7) 8 4 AFSEL1 Alternate function selection for port x bit y (y = 0..7) 4 4 AFSEL0 Alternate function selection for port x bit y (y = 0..7) 0 4 AFRH AFRH GPIO alternate function high register 0x24 0x20 read-write 0x00000000 AFSEL15 Alternate function selection for port x bit y (y = 8..15) 28 4 AFSEL14 Alternate function selection for port x bit y (y = 8..15) 24 4 AFSEL13 Alternate function selection for port x bit y (y = 8..15) 20 4 AFSEL12 Alternate function selection for port x bit y (y = 8..15) 16 4 AFSEL11 Alternate function selection for port x bit y (y = 8..15) 12 4 AFSEL10 Alternate function selection for port x bit y (y = 8..15) 8 4 AFSEL9 Alternate function selection for port x bit y (y = 8..15) 4 4 AFSEL8 Alternate function selection for port x bit y (y = 8..15) 0 4 BRR BRR port bit reset register 0x28 0x20 write-only 0x00000000 BR0 Port Reset bit 0 1 BR1 Port Reset bit 1 1 BR2 Port Reset bit 2 1 BR3 Port Reset bit 3 1 BR4 Port Reset bit 4 1 BR5 Port Reset bit 5 1 BR6 Port Reset bit 6 1 BR7 Port Reset bit 7 1 BR8 Port Reset bit 8 1 BR9 Port Reset bit 9 1 BR10 Port Reset bit 10 1 BR11 Port Reset bit 11 1 BR12 Port Reset bit 12 1 BR13 Port Reset bit 13 1 BR14 Port Reset bit 14 1 BR15 Port Reset bit 15 1 GPIOB General-purpose I/Os GPIO 0x50000400 0x0 0x400 registers MODER MODER GPIO port mode register 0x0 0x20 read-write 0xFFFFFFFF MODER15 Port x configuration bits (y = 0..15) 30 2 MODER14 Port x configuration bits (y = 0..15) 28 2 MODER13 Port x configuration bits (y = 0..15) 26 2 MODER12 Port x configuration bits (y = 0..15) 24 2 MODER11 Port x configuration bits (y = 0..15) 22 2 MODER10 Port x configuration bits (y = 0..15) 20 2 MODER9 Port x configuration bits (y = 0..15) 18 2 MODER8 Port x configuration bits (y = 0..15) 16 2 MODER7 Port x configuration bits (y = 0..15) 14 2 MODER6 Port x configuration bits (y = 0..15) 12 2 MODER5 Port x configuration bits (y = 0..15) 10 2 MODER4 Port x configuration bits (y = 0..15) 8 2 MODER3 Port x configuration bits (y = 0..15) 6 2 MODER2 Port x configuration bits (y = 0..15) 4 2 MODER1 Port x configuration bits (y = 0..15) 2 2 MODER0 Port x configuration bits (y = 0..15) 0 2 OTYPER OTYPER GPIO port output type register 0x4 0x20 read-write 0x00000000 OT15 Port x configuration bits (y = 0..15) 15 1 OT14 Port x configuration bits (y = 0..15) 14 1 OT13 Port x configuration bits (y = 0..15) 13 1 OT12 Port x configuration bits (y = 0..15) 12 1 OT11 Port x configuration bits (y = 0..15) 11 1 OT10 Port x configuration bits (y = 0..15) 10 1 OT9 Port x configuration bits (y = 0..15) 9 1 OT8 Port x configuration bits (y = 0..15) 8 1 OT7 Port x configuration bits (y = 0..15) 7 1 OT6 Port x configuration bits (y = 0..15) 6 1 OT5 Port x configuration bits (y = 0..15) 5 1 OT4 Port x configuration bits (y = 0..15) 4 1 OT3 Port x configuration bits (y = 0..15) 3 1 OT2 Port x configuration bits (y = 0..15) 2 1 OT1 Port x configuration bits (y = 0..15) 1 1 OT0 Port x configuration bits (y = 0..15) 0 1 OSPEEDR OSPEEDR GPIO port output speed register 0x8 0x20 read-write 0x00000000 OSPEEDR15 Port x configuration bits (y = 0..15) 30 2 OSPEEDR14 Port x configuration bits (y = 0..15) 28 2 OSPEEDR13 Port x configuration bits (y = 0..15) 26 2 OSPEEDR12 Port x configuration bits (y = 0..15) 24 2 OSPEEDR11 Port x configuration bits (y = 0..15) 22 2 OSPEEDR10 Port x configuration bits (y = 0..15) 20 2 OSPEEDR9 Port x configuration bits (y = 0..15) 18 2 OSPEEDR8 Port x configuration bits (y = 0..15) 16 2 OSPEEDR7 Port x configuration bits (y = 0..15) 14 2 OSPEEDR6 Port x configuration bits (y = 0..15) 12 2 OSPEEDR5 Port x configuration bits (y = 0..15) 10 2 OSPEEDR4 Port x configuration bits (y = 0..15) 8 2 OSPEEDR3 Port x configuration bits (y = 0..15) 6 2 OSPEEDR2 Port x configuration bits (y = 0..15) 4 2 OSPEEDR1 Port x configuration bits (y = 0..15) 2 2 OSPEEDR0 Port x configuration bits (y = 0..15) 0 2 PUPDR PUPDR GPIO port pull-up/pull-down register 0xC 0x20 read-write 0x00000000 PUPDR15 Port x configuration bits (y = 0..15) 30 2 PUPDR14 Port x configuration bits (y = 0..15) 28 2 PUPDR13 Port x configuration bits (y = 0..15) 26 2 PUPDR12 Port x configuration bits (y = 0..15) 24 2 PUPDR11 Port x configuration bits (y = 0..15) 22 2 PUPDR10 Port x configuration bits (y = 0..15) 20 2 PUPDR9 Port x configuration bits (y = 0..15) 18 2 PUPDR8 Port x configuration bits (y = 0..15) 16 2 PUPDR7 Port x configuration bits (y = 0..15) 14 2 PUPDR6 Port x configuration bits (y = 0..15) 12 2 PUPDR5 Port x configuration bits (y = 0..15) 10 2 PUPDR4 Port x configuration bits (y = 0..15) 8 2 PUPDR3 Port x configuration bits (y = 0..15) 6 2 PUPDR2 Port x configuration bits (y = 0..15) 4 2 PUPDR1 Port x configuration bits (y = 0..15) 2 2 PUPDR0 Port x configuration bits (y = 0..15) 0 2 IDR IDR GPIO port input data register 0x10 0x20 read-only 0x00000000 IDR15 Port input data (y = 0..15) 15 1 IDR14 Port input data (y = 0..15) 14 1 IDR13 Port input data (y = 0..15) 13 1 IDR12 Port input data (y = 0..15) 12 1 IDR11 Port input data (y = 0..15) 11 1 IDR10 Port input data (y = 0..15) 10 1 IDR9 Port input data (y = 0..15) 9 1 IDR8 Port input data (y = 0..15) 8 1 IDR7 Port input data (y = 0..15) 7 1 IDR6 Port input data (y = 0..15) 6 1 IDR5 Port input data (y = 0..15) 5 1 IDR4 Port input data (y = 0..15) 4 1 IDR3 Port input data (y = 0..15) 3 1 IDR2 Port input data (y = 0..15) 2 1 IDR1 Port input data (y = 0..15) 1 1 IDR0 Port input data (y = 0..15) 0 1 ODR ODR GPIO port output data register 0x14 0x20 read-write 0x00000000 ODR15 Port output data (y = 0..15) 15 1 ODR14 Port output data (y = 0..15) 14 1 ODR13 Port output data (y = 0..15) 13 1 ODR12 Port output data (y = 0..15) 12 1 ODR11 Port output data (y = 0..15) 11 1 ODR10 Port output data (y = 0..15) 10 1 ODR9 Port output data (y = 0..15) 9 1 ODR8 Port output data (y = 0..15) 8 1 ODR7 Port output data (y = 0..15) 7 1 ODR6 Port output data (y = 0..15) 6 1 ODR5 Port output data (y = 0..15) 5 1 ODR4 Port output data (y = 0..15) 4 1 ODR3 Port output data (y = 0..15) 3 1 ODR2 Port output data (y = 0..15) 2 1 ODR1 Port output data (y = 0..15) 1 1 ODR0 Port output data (y = 0..15) 0 1 BSRR BSRR GPIO port bit set/reset register 0x18 0x20 write-only 0x00000000 BR15 Port x reset bit y (y = 0..15) 31 1 BR14 Port x reset bit y (y = 0..15) 30 1 BR13 Port x reset bit y (y = 0..15) 29 1 BR12 Port x reset bit y (y = 0..15) 28 1 BR11 Port x reset bit y (y = 0..15) 27 1 BR10 Port x reset bit y (y = 0..15) 26 1 BR9 Port x reset bit y (y = 0..15) 25 1 BR8 Port x reset bit y (y = 0..15) 24 1 BR7 Port x reset bit y (y = 0..15) 23 1 BR6 Port x reset bit y (y = 0..15) 22 1 BR5 Port x reset bit y (y = 0..15) 21 1 BR4 Port x reset bit y (y = 0..15) 20 1 BR3 Port x reset bit y (y = 0..15) 19 1 BR2 Port x reset bit y (y = 0..15) 18 1 BR1 Port x reset bit y (y = 0..15) 17 1 BR0 Port x set bit y (y= 0..15) 16 1 BS15 Port x set bit y (y= 0..15) 15 1 BS14 Port x set bit y (y= 0..15) 14 1 BS13 Port x set bit y (y= 0..15) 13 1 BS12 Port x set bit y (y= 0..15) 12 1 BS11 Port x set bit y (y= 0..15) 11 1 BS10 Port x set bit y (y= 0..15) 10 1 BS9 Port x set bit y (y= 0..15) 9 1 BS8 Port x set bit y (y= 0..15) 8 1 BS7 Port x set bit y (y= 0..15) 7 1 BS6 Port x set bit y (y= 0..15) 6 1 BS5 Port x set bit y (y= 0..15) 5 1 BS4 Port x set bit y (y= 0..15) 4 1 BS3 Port x set bit y (y= 0..15) 3 1 BS2 Port x set bit y (y= 0..15) 2 1 BS1 Port x set bit y (y= 0..15) 1 1 BS0 Port x set bit y (y= 0..15) 0 1 LCKR LCKR GPIO port configuration lock register 0x1C 0x20 read-write 0x00000000 LCKK Port x lock bit y (y= 0..15) 16 1 LCK15 Port x lock bit y (y= 0..15) 15 1 LCK14 Port x lock bit y (y= 0..15) 14 1 LCK13 Port x lock bit y (y= 0..15) 13 1 LCK12 Port x lock bit y (y= 0..15) 12 1 LCK11 Port x lock bit y (y= 0..15) 11 1 LCK10 Port x lock bit y (y= 0..15) 10 1 LCK9 Port x lock bit y (y= 0..15) 9 1 LCK8 Port x lock bit y (y= 0..15) 8 1 LCK7 Port x lock bit y (y= 0..15) 7 1 LCK6 Port x lock bit y (y= 0..15) 6 1 LCK5 Port x lock bit y (y= 0..15) 5 1 LCK4 Port x lock bit y (y= 0..15) 4 1 LCK3 Port x lock bit y (y= 0..15) 3 1 LCK2 Port x lock bit y (y= 0..15) 2 1 LCK1 Port x lock bit y (y= 0..15) 1 1 LCK0 Port x lock bit y (y= 0..15) 0 1 AFRL AFRL GPIO alternate function low register 0x20 0x20 read-write 0x00000000 AFSEL7 Alternate function selection for port x bit y (y = 0..7) 28 4 AFSEL6 Alternate function selection for port x bit y (y = 0..7) 24 4 AFSEL5 Alternate function selection for port x bit y (y = 0..7) 20 4 AFSEL4 Alternate function selection for port x bit y (y = 0..7) 16 4 AFSEL3 Alternate function selection for port x bit y (y = 0..7) 12 4 AFSEL2 Alternate function selection for port x bit y (y = 0..7) 8 4 AFSEL1 Alternate function selection for port x bit y (y = 0..7) 4 4 AFSEL0 Alternate function selection for port x bit y (y = 0..7) 0 4 AFRH AFRH GPIO alternate function high register 0x24 0x20 read-write 0x00000000 AFSEL15 Alternate function selection for port x bit y (y = 8..15) 28 4 AFSEL14 Alternate function selection for port x bit y (y = 8..15) 24 4 AFSEL13 Alternate function selection for port x bit y (y = 8..15) 20 4 AFSEL12 Alternate function selection for port x bit y (y = 8..15) 16 4 AFSEL11 Alternate function selection for port x bit y (y = 8..15) 12 4 AFSEL10 Alternate function selection for port x bit y (y = 8..15) 8 4 AFSEL9 Alternate function selection for port x bit y (y = 8..15) 4 4 AFSEL8 Alternate function selection for port x bit y (y = 8..15) 0 4 BRR BRR port bit reset register 0x28 0x20 write-only 0x00000000 BR0 Port Reset bit 0 1 BR1 Port Reset bit 1 1 BR2 Port Reset bit 2 1 BR3 Port Reset bit 3 1 BR4 Port Reset bit 4 1 BR5 Port Reset bit 5 1 BR6 Port Reset bit 6 1 BR7 Port Reset bit 7 1 BR8 Port Reset bit 8 1 BR9 Port Reset bit 9 1 BR10 Port Reset bit 10 1 BR11 Port Reset bit 11 1 BR12 Port Reset bit 12 1 BR13 Port Reset bit 13 1 BR14 Port Reset bit 14 1 BR15 Port Reset bit 15 1 GPIOC 0x50000800 GPIOD 0x50000C00 GPIOF 0x50001400 CRC Cyclic redundancy check calculation unit CRC 0x40023000 0x0 0x400 registers CEC CEC global interrupt 30 DR DR Data register 0x0 0x20 read-write 0xFFFFFFFF DR Data register bits 0 32 IDR IDR Independent data register 0x4 0x20 read-write 0x00000000 IDR General-purpose 32-bit data register bits 0 32 CR CR Control register 0x8 0x20 0x00000000 REV_OUT Reverse output data 7 1 read-write REV_IN Reverse input data 5 2 read-write POLYSIZE Polynomial size 3 2 read-write RESET RESET bit 0 1 write-only INIT INIT Initial CRC value 0x10 0x20 read-write 0xFFFFFFFF CRC_INIT Programmable initial CRC value 0 32 POL POL polynomial 0x14 0x20 read-write 0x04C11DB7 POL Programmable polynomial 0 32 EXTI External interrupt/event controller EXTI 0x40021800 0x0 0x400 registers EXTI0_1 EXTI line 0 & 1 interrupt 5 EXTI2_3 EXTI line 2 & 3 interrupt 6 EXTI4_15 EXTI line 4 to 15 interrupt 7 RTSR1 RTSR1 EXTI rising trigger selection register 0x0 0x20 read-write 0x00000000 TR0 Rising trigger event configuration bit of Configurable Event input 0 1 TR0read-writeDisabledRising edge trigger is disabled0EnabledRising edge trigger is enabled1 TR1 Rising trigger event configuration bit of Configurable Event input 1 1 TR2 Rising trigger event configuration bit of Configurable Event input 2 1 TR3 Rising trigger event configuration bit of Configurable Event input 3 1 TR4 Rising trigger event configuration bit of Configurable Event input 4 1 TR5 Rising trigger event configuration bit of Configurable Event input 5 1 TR6 Rising trigger event configuration bit of Configurable Event input 6 1 TR7 Rising trigger event configuration bit of Configurable Event input 7 1 TR8 Rising trigger event configuration bit of Configurable Event input 8 1 TR9 Rising trigger event configuration bit of Configurable Event input 9 1 TR10 Rising trigger event configuration bit of Configurable Event input 10 1 TR11 Rising trigger event configuration bit of Configurable Event input 11 1 TR12 Rising trigger event configuration bit of Configurable Event input 12 1 TR13 Rising trigger event configuration bit of Configurable Event input 13 1 TR14 Rising trigger event configuration bit of Configurable Event input 14 1 TR15 Rising trigger event configuration bit of Configurable Event input 15 1 TR16 Rising trigger event configuration bit of Configurable Event input 16 1 TR17 Rising trigger event configuration bit of Configurable Event input 17 1 TR18 Rising trigger event configuration bit of Configurable Event input 18 1 FTSR1 FTSR1 EXTI falling trigger selection register 0x4 0x20 read-write 0x00000000 TR0 Rising trigger event configuration bit of Configurable Event input 0 1 TR0read-writeDisabledFalling edge trigger is disabled0EnabledFalling edge trigger is enabled1 TR1 Rising trigger event configuration bit of Configurable Event input 1 1 TR2 Rising trigger event configuration bit of Configurable Event input 2 1 TR3 Rising trigger event configuration bit of Configurable Event input 3 1 TR4 Rising trigger event configuration bit of Configurable Event input 4 1 TR5 Rising trigger event configuration bit of Configurable Event input 5 1 TR6 Rising trigger event configuration bit of Configurable Event input 6 1 TR7 Rising trigger event configuration bit of Configurable Event input 7 1 TR8 Rising trigger event configuration bit of Configurable Event input 8 1 TR9 Rising trigger event configuration bit of Configurable Event input 9 1 TR10 Rising trigger event configuration bit of Configurable Event input 10 1 TR11 Rising trigger event configuration bit of Configurable Event input 11 1 TR12 Rising trigger event configuration bit of Configurable Event input 12 1 TR13 Rising trigger event configuration bit of Configurable Event input 13 1 TR14 Rising trigger event configuration bit of Configurable Event input 14 1 TR15 Rising trigger event configuration bit of Configurable Event input 15 1 TR16 Rising trigger event configuration bit of Configurable Event input 16 1 TR17 Rising trigger event configuration bit of Configurable Event input 17 1 TR18 Rising trigger event configuration bit of Configurable Event input 18 1 SWIER1 SWIER1 EXTI software interrupt event register 0x8 0x20 read-write 0x00000000 SWIER0 Rising trigger event configuration bit of Configurable Event input 0 1 SWIER0WwritePendGenerates an interrupt request1 SWIER1 Rising trigger event configuration bit of Configurable Event input 1 1 SWIER2 Rising trigger event configuration bit of Configurable Event input 2 1 SWIER3 Rising trigger event configuration bit of Configurable Event input 3 1 SWIER4 Rising trigger event configuration bit of Configurable Event input 4 1 SWIER5 Rising trigger event configuration bit of Configurable Event input 5 1 SWIER6 Rising trigger event configuration bit of Configurable Event input 6 1 SWIER7 Rising trigger event configuration bit of Configurable Event input 7 1 SWIER8 Rising trigger event configuration bit of Configurable Event input 8 1 SWIER9 Rising trigger event configuration bit of Configurable Event input 9 1 SWIER10 Rising trigger event configuration bit of Configurable Event input 10 1 SWIER11 Rising trigger event configuration bit of Configurable Event input 11 1 SWIER12 Rising trigger event configuration bit of Configurable Event input 12 1 SWIER13 Rising trigger event configuration bit of Configurable Event input 13 1 SWIER14 Rising trigger event configuration bit of Configurable Event input 14 1 SWIER15 Rising trigger event configuration bit of Configurable Event input 15 1 SWIER16 Rising trigger event configuration bit of Configurable Event input 16 1 SWIER17 Rising trigger event configuration bit of Configurable Event input 17 1 SWIER18 Rising trigger event configuration bit of Configurable Event input 18 1 RPR1 RPR1 EXTI rising edge pending register 0xC 0x20 read-write 0x00000000 RPIF0 configurable event inputs x rising edge Pending bit. 0 1 RPIF0RreadNotPendingNo trigger request occurred0PendingSelected trigger request occurred1 RPIF0WwriteClearClears pending bit1 RPIF1 configurable event inputs x rising edge Pending bit. 1 1 RPIF2 configurable event inputs x rising edge Pending bit. 2 1 RPIF3 configurable event inputs x rising edge Pending bit. 3 1 RPIF4 configurable event inputs x rising edge Pending bit. 4 1 RPIF5 configurable event inputs x rising edge Pending bit 5 1 RPIF6 configurable event inputs x rising edge Pending bit. 6 1 RPIF7 configurable event inputs x rising edge Pending bit. 7 1 RPIF8 configurable event inputs x rising edge Pending bit. 8 1 RPIF9 configurable event inputs x rising edge Pending bit. 9 1 RPIF10 configurable event inputs x rising edge Pending bit. 10 1 RPIF11 configurable event inputs x rising edge Pending bit. 11 1 RPIF12 configurable event inputs x rising edge Pending bit. 12 1 RPIF13 configurable event inputs x rising edge Pending bit. 13 1 RPIF14 configurable event inputs x rising edge Pending bit. 14 1 RPIF15 configurable event inputs x rising edge Pending bit. 15 1 RPIF16 configurable event inputs x rising edge Pending bit. 16 1 RPIF17 configurable event inputs x rising edge Pending bit. 17 1 RPIF18 configurable event inputs x rising edge Pending bit. 18 1 FPR1 FPR1 EXTI falling edge pending register 0x10 0x20 read-write 0x00000000 FPIF0 configurable event inputs x falling edge pending bit. 0 1 FPIF0RreadNotPendingNo trigger request occurred0PendingSelected trigger request occurred1 FPIF0WwriteClearClears pending bit1 FPIF1 configurable event inputs x falling edge pending bit. 1 1 FPIF2 configurable event inputs x falling edge pending bit. 2 1 FPIF3 configurable event inputs x falling edge pending bit. 3 1 FPIF4 configurable event inputs x falling edge pending bit. 4 1 FPIF5 configurable event inputs x falling edge pending bit. 5 1 FPIF6 configurable event inputs x falling edge pending bit. 6 1 FPIF7 configurable event inputs x falling edge pending bit. 7 1 FPIF8 configurable event inputs x falling edge pending bit. 8 1 FPIF9 configurable event inputs x falling edge pending bit. 9 1 FPIF10 configurable event inputs x falling edge pending bit. 10 1 FPIF11 configurable event inputs x falling edge pending bit. 11 1 FPIF12 configurable event inputs x falling edge pending bit. 12 1 FPIF13 configurable event inputs x falling edge pending bit. 13 1 FPIF14 configurable event inputs x falling edge pending bit. 14 1 FPIF15 configurable event inputs x falling edge pending bit. 15 1 FPIF16 configurable event inputs x falling edge pending bit. 16 1 FPIF17 configurable event inputs x falling edge pending bit. 17 1 FPIF18 configurable event inputs x falling edge pending bit. 18 1 EXTICR1 EXTICR1 EXTI external interrupt selection register 0x60 0x20 read-write 0x00000000 EXTI0_7 GPIO port selection 0 8 EXTI0_7read-writePAGPIO port A selected0PBGPIO port B selected1PCGPIO port C selected2PDGPIO port D selected3PFGPIO port F selected5 EXTI8_15 GPIO port selection 8 8 EXTI16_23 GPIO port selection 16 8 EXTI24_31 GPIO port selection 24 8 EXTICR2 EXTICR2 EXTI external interrupt selection register 0x64 0x20 read-write 0x00000000 EXTI0_7 GPIO port selection 0 8 EXTI0_7read-writePAGPIO port A selected0PBGPIO port B selected1PCGPIO port C selected2PDGPIO port D selected3PFGPIO port F selected5 EXTI8_15 GPIO port selection 8 8 EXTI16_23 GPIO port selection 16 8 EXTI24_31 GPIO port selection 24 8 EXTICR3 EXTICR3 EXTI external interrupt selection register 0x68 0x20 read-write 0x00000000 EXTI0_7 GPIO port selection 0 8 EXTI0_7read-writePAGPIO port A selected0PBGPIO port B selected1PCGPIO port C selected2PDGPIO port D selected3PFGPIO port F selected5 EXTI8_15 GPIO port selection 8 8 EXTI16_23 GPIO port selection 16 8 EXTI24_31 GPIO port selection 24 8 EXTICR4 EXTICR4 EXTI external interrupt selection register 0x6C 0x20 read-write 0x00000000 EXTI0_7 GPIO port selection 0 8 EXTI0_7read-writePAGPIO port A selected0PBGPIO port B selected1PCGPIO port C selected2PDGPIO port D selected3PFGPIO port F selected5 EXTI8_15 GPIO port selection 8 8 EXTI16_23 GPIO port selection 16 8 EXTI24_31 GPIO port selection 24 8 IMR1 IMR1 EXTI CPU wakeup with interrupt mask register 0x80 0x20 read-write 0xFFF80000 IM0 CPU wakeup with interrupt mask on event input 0 1 IM0read-writeMaskedInterrupt request line is masked0UnmaskedInterrupt request line is unmasked1 IM1 CPU wakeup with interrupt mask on event input 1 1 IM2 CPU wakeup with interrupt mask on event input 2 1 IM3 CPU wakeup with interrupt mask on event input 3 1 IM4 CPU wakeup with interrupt mask on event input 4 1 IM5 CPU wakeup with interrupt mask on event input 5 1 IM6 CPU wakeup with interrupt mask on event input 6 1 IM7 CPU wakeup with interrupt mask on event input 7 1 IM8 CPU wakeup with interrupt mask on event input 8 1 IM9 CPU wakeup with interrupt mask on event input 9 1 IM10 CPU wakeup with interrupt mask on event input 10 1 IM11 CPU wakeup with interrupt mask on event input 11 1 IM12 CPU wakeup with interrupt mask on event input 12 1 IM13 CPU wakeup with interrupt mask on event input 13 1 IM14 CPU wakeup with interrupt mask on event input 14 1 IM15 CPU wakeup with interrupt mask on event input 15 1 IM16 CPU wakeup with interrupt mask on event input 16 1 IM17 CPU wakeup with interrupt mask on event input 17 1 IM18 CPU wakeup with interrupt mask on event input 18 1 IM19 CPU wakeup with interrupt mask on event input 19 1 IM20 CPU wakeup with interrupt mask on event input 20 1 IM21 CPU wakeup with interrupt mask on event input 21 1 IM22 CPU wakeup with interrupt mask on event input 22 1 IM23 CPU wakeup with interrupt mask on event input 23 1 IM24 CPU wakeup with interrupt mask on event input 24 1 IM25 CPU wakeup with interrupt mask on event input 25 1 IM26 CPU wakeup with interrupt mask on event input 26 1 IM27 CPU wakeup with interrupt mask on event input 27 1 IM28 CPU wakeup with interrupt mask on event input 28 1 IM29 CPU wakeup with interrupt mask on event input 29 1 IM30 CPU wakeup with interrupt mask on event input 30 1 IM31 CPU wakeup with interrupt mask on event input 31 1 EMR1 EMR1 EXTI CPU wakeup with event mask register IMR1 0x84 0x20 read-write 0x00000000 EM0 CPU wakeup with event mask on event input 0 1 EM0read-writeMaskedInterrupt request line is masked0UnmaskedInterrupt request line is unmasked1 EM1 CPU wakeup with event mask on event input 1 1 EM2 CPU wakeup with event mask on event input 2 1 EM3 CPU wakeup with event mask on event input 3 1 EM4 CPU wakeup with event mask on event input 4 1 EM5 CPU wakeup with event mask on event input 5 1 EM6 CPU wakeup with event mask on event input 6 1 EM7 CPU wakeup with event mask on event input 7 1 EM8 CPU wakeup with event mask on event input 8 1 EM9 CPU wakeup with event mask on event input 9 1 EM10 CPU wakeup with event mask on event input 10 1 EM11 CPU wakeup with event mask on event input 11 1 EM12 CPU wakeup with event mask on event input 12 1 EM13 CPU wakeup with event mask on event input 13 1 EM14 CPU wakeup with event mask on event input 14 1 EM15 CPU wakeup with event mask on event input 15 1 EM16 CPU wakeup with event mask on event input 16 1 EM17 CPU wakeup with event mask on event input 17 1 EM18 CPU wakeup with event mask on event input 18 1 EM19 CPU wakeup with event mask on event input 19 1 EM21 CPU wakeup with event mask on event input 21 1 EM23 CPU wakeup with event mask on event input 23 1 EM25 CPU wakeup with event mask on event input 25 1 EM26 CPU wakeup with event mask on event input 26 1 EM27 CPU wakeup with event mask on event input 27 1 EM28 CPU wakeup with event mask on event input 28 1 EM29 CPU wakeup with event mask on event input 29 1 EM30 CPU wakeup with event mask on event input 30 1 EM31 CPU wakeup with event mask on event input 31 1 IMR2 IMR2 EXTI CPU wakeup with interrupt mask register 0x90 0x20 read-write 0xFFFFFFFF IM32 CPU wakeup with interrupt mask on event input 0 1 IM32read-writeMaskedInterrupt request line is masked0UnmaskedInterrupt request line is unmasked1 IM33 CPU wakeup with interrupt mask on event input 1 1 EMR2 EMR2 EXTI CPU wakeup with event mask register 0x94 0x20 read-write 0x00000000 EM32 CPU wakeup with event mask on event input 0 1 EM32read-writeMaskedInterrupt request line is masked0UnmaskedInterrupt request line is unmasked1 EM33 CPU wakeup with event mask on event input 1 1 HWCFGR7 HWCFGR7 Hardware configuration registers 0x3D8 0x20 read-write 0x00000000 CPUEVENT HW configuration CPU event generation 0 32 HWCFGR6 HWCFGR6 Hardware configuration registers 0x3DC 0x20 read-write 0x00000003 CPUEVENT HW configuration CPU event generation 0 32 HWCFGR5 HWCFGR5 Hardware configuration registers 0x3E0 0x20 read-write 0xFEAFFFFF CPUEVENT HW configuration CPU event generation 0 32 HWCFGR4 HWCFGR4 Hardware configuration registers 0x3E4 0x20 read-write 0x00000000 EVENT_TRG HW configuration event trigger type 0 32 HWCFGR3 HWCFGR3 Hardware configuration registers 0x3E8 0x20 read-write 0x00000000 EVENT_TRG HW configuration event trigger type 0 32 HWCFGR2 HWCFGR2 Hardware configuration registers 0x3EC 0x20 read-write 0x0007FFFF EVENT_TRG HW configuration event trigger type 0 32 HWCFGR1 HWCFGR1 Hardware configuration registers 0x3F0 0x20 read-only 0x00051021 NBIOPORT HW configuration of number of IO ports 16 8 CPUEVTEN HW configuration of CPU event output enable 12 4 NBCPUS configuration number of CPUs 8 4 NBEVENTS configuration number of event 0 8 TIM16 General purpose timers TIM 0x40014400 0x0 0x400 registers TIM16 TIM16 global interrupt 21 CR1 CR1 control register 1 0x0 0x20 read-write 0x0000 CEN Counter enable 0 1 UDIS Update disable 1 1 URS Update request source 2 1 OPM One-pulse mode 3 1 ARPE Auto-reload preload enable 7 1 CKD Clock division 8 2 UIFREMAP UIF status bit remapping 11 1 CR2 CR2 control register 2 0x4 0x20 read-write 0x0000 OIS1N Output Idle state 1 9 1 OIS1 Output Idle state 1 8 1 CCDS Capture/compare DMA selection 3 1 CCUS Capture/compare control update selection 2 1 CCPC Capture/compare preloaded control 0 1 DIER DIER DMA/Interrupt enable register 0xC 0x20 read-write 0x0000 COMDE COM DMA request enable 13 1 CC1DE Capture/Compare 1 DMA request enable 9 1 UDE Update DMA request enable 8 1 BIE Break interrupt enable 7 1 COMIE COM interrupt enable 5 1 CC1IE Capture/Compare 1 interrupt enable 1 1 UIE Update interrupt enable 0 1 SR SR status register 0x10 0x20 read-write 0x0000 CC1OF Capture/Compare 1 overcapture flag 9 1 BIF Break interrupt flag 7 1 COMIF COM interrupt flag 5 1 CC1IF Capture/compare 1 interrupt flag 1 1 UIF Update interrupt flag 0 1 EGR EGR event generation register 0x14 0x20 write-only 0x0000 BG Break generation 7 1 COMG Capture/Compare control update generation 5 1 CC1G Capture/compare 1 generation 1 1 UG Update generation 0 1 CCMR1_Output CCMR1_Output capture/compare mode register (output mode) 0x18 0x20 read-write 0x00000000 OC1M_2 Output Compare 1 mode 16 1 OC1M Output Compare 1 mode 4 3 OC1PE Output Compare 1 preload enable 3 1 OC1FE Output Compare 1 fast enable 2 1 CC1S Capture/Compare 1 selection 0 2 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 0x20 read-write 0x00000000 IC1F Input capture 1 filter 4 4 IC1PSC Input capture 1 prescaler 2 2 CC1S Capture/Compare 1 selection 0 2 CCER CCER capture/compare enable register 0x20 0x20 read-write 0x0000 CC1NP Capture/Compare 1 output Polarity 3 1 CC1NE Capture/Compare 1 complementary output enable 2 1 CC1P Capture/Compare 1 output Polarity 1 1 CC1E Capture/Compare 1 output enable 0 1 CNT CNT counter 0x24 0x20 0x00000000 CNT counter value 0 16 read-write UIFCPY UIF Copy 31 1 read-only PSC PSC prescaler 0x28 0x20 read-write 0x0000 PSC Prescaler value 0 16 ARR ARR auto-reload register 0x2C 0x20 read-write 0x00000000 ARR Auto-reload value 0 16 RCR RCR repetition counter register 0x30 0x20 read-write 0x0000 REP Repetition counter value 0 8 CCR1 CCR1 capture/compare register 1 0x34 0x20 read-write 0x00000000 CCR1 Capture/Compare 1 value 0 16 BDTR BDTR break and dead-time register 0x44 0x20 read-write 0x0000 DTG Dead-time generator setup 0 8 LOCK Lock configuration 8 2 OSSI Off-state selection for Idle mode 10 1 OSSR Off-state selection for Run mode 11 1 BKE Break enable 12 1 BKP Break polarity 13 1 AOE Automatic output enable 14 1 MOE Main output enable 15 1 BKF Break filter 16 4 BKDSRM Break Disarm 26 1 BKBID Break Bidirectional 28 1 DCR DCR DMA control register 0x48 0x20 read-write 0x0000 DBL DMA burst length 8 5 DBA DMA base address 0 5 DMAR DMAR DMA address for full transfer 0x4C 0x20 read-write 0x0000 DMAB DMA register for burst accesses 0 16 AF1 AF1 TIM17 option register 1 0x60 0x20 read-write 0x0000 BKINE BRK BKIN input enable 0 1 BKCMP1E BRK COMP1 enable 1 1 BKCMP2E BRK COMP2 enable 2 1 BKDFBK1E BRK DFSDM_BREAK1 enable 8 1 BKINP BRK BKIN input polarity 9 1 BKCMP1P BRK COMP1 input polarity 10 1 BKCMP2P BRK COMP2 input polarit 11 1 TISEL TISEL input selection register 0x68 0x20 read-write 0x0000 TI1SEL selects input 0 4 TIM17 0x40014800 TIM17 TIM17 global interrupt 22 TIM15 0x40014000 TIM15 TIM15 global interrupt 20 USART1 Universal synchronous asynchronous receiver transmitter USART 0x40013800 0x0 0x400 registers USART1 USART1 global interrupt 27 CR1 CR1 Control register 1 0x0 0x20 read-write 0x0000 RXFFIE RXFIFO Full interrupt enable 31 1 TXFEIE TXFIFO empty interrupt enable 30 1 FIFOEN FIFO mode enable 29 1 M1 Word length 28 1 EOBIE End of Block interrupt enable 27 1 RTOIE Receiver timeout interrupt enable 26 1 DEAT DEAT 21 5 DEDT DEDT 16 5 OVER8 Oversampling mode 15 1 CMIE Character match interrupt enable 14 1 MME Mute mode enable 13 1 M0 Word length 12 1 WAKE Receiver wakeup method 11 1 PCE Parity control enable 10 1 PS Parity selection 9 1 PEIE PE interrupt enable 8 1 TXEIE interrupt enable 7 1 TCIE Transmission complete interrupt enable 6 1 RXNEIE RXNE interrupt enable 5 1 IDLEIE IDLE interrupt enable 4 1 TE Transmitter enable 3 1 RE Receiver enable 2 1 UESM USART enable in Stop mode 1 1 UE USART enable 0 1 CR2 CR2 Control register 2 0x4 0x20 read-write 0x0000 ADD4_7 Address of the USART node 28 4 ADD0_3 Address of the USART node 24 4 RTOEN Receiver timeout enable 23 1 ABRMOD Auto baud rate mode 21 2 ABREN Auto baud rate enable 20 1 MSBFIRST Most significant bit first 19 1 TAINV Binary data inversion 18 1 TXINV TX pin active level inversion 17 1 RXINV RX pin active level inversion 16 1 SWAP Swap TX/RX pins 15 1 LINEN LIN mode enable 14 1 STOP STOP bits 12 2 CLKEN Clock enable 11 1 CPOL Clock polarity 10 1 CPHA Clock phase 9 1 LBCL Last bit clock pulse 8 1 LBDIE LIN break detection interrupt enable 6 1 LBDL LIN break detection length 5 1 ADDM7 7-bit Address Detection/4-bit Address Detection 4 1 DIS_NSS When the DSI_NSS bit is set, the NSS pin input will be ignored 3 1 SLVEN Synchronous Slave mode enable 0 1 CR3 CR3 Control register 3 0x8 0x20 read-write 0x0000 TXFTCFG TXFIFO threshold configuration 29 3 RXFTIE RXFIFO threshold interrupt enable 28 1 RXFTCFG Receive FIFO threshold configuration 25 3 TCBGTIE Tr Complete before guard time, interrupt enable 24 1 TXFTIE threshold interrupt enable 23 1 WUFIE Wakeup from Stop mode interrupt enable 22 1 WUS Wakeup from Stop mode interrupt flag selection 20 2 SCARCNT Smartcard auto-retry count 17 3 DEP Driver enable polarity selection 15 1 DEM Driver enable mode 14 1 DDRE DMA Disable on Reception Error 13 1 OVRDIS Overrun Disable 12 1 ONEBIT One sample bit method enable 11 1 CTSIE CTS interrupt enable 10 1 CTSE CTS enable 9 1 RTSE RTS enable 8 1 DMAT DMA enable transmitter 7 1 DMAR DMA enable receiver 6 1 SCEN Smartcard mode enable 5 1 NACK Smartcard NACK enable 4 1 HDSEL Half-duplex selection 3 1 IRLP Ir low-power 2 1 IREN Ir mode enable 1 1 EIE Error interrupt enable 0 1 BRR BRR Baud rate register 0xC 0x20 read-write 0x0000 BRR_4_15 BRR_4_15 4 12 BRR_0_3 BRR_0_3 0 4 GTPR GTPR Guard time and prescaler register 0x10 0x20 read-write 0x0000 GT Guard time value 8 8 PSC Prescaler value 0 8 RTOR RTOR Receiver timeout register 0x14 0x20 read-write 0x0000 BLEN Block Length 24 8 RTO Receiver timeout value 0 24 RQR RQR Request register 0x18 0x20 write-only 0x0000 TXFRQ Transmit data flush request 4 1 RXFRQ Receive data flush request 3 1 MMRQ Mute mode request 2 1 SBKRQ Send break request 1 1 ABRRQ Auto baud rate request 0 1 ISR ISR Interrupt & status register 0x1C 0x20 read-only 0x00C0 TXFT TXFIFO threshold flag 27 1 RXFT RXFIFO threshold flag 26 1 TCBGT Transmission complete before guard time flag 25 1 RXFF RXFIFO Full 24 1 TXFE TXFIFO Empty 23 1 REACK REACK 22 1 TEACK TEACK 21 1 WUF WUF 20 1 RWU RWU 19 1 SBKF SBKF 18 1 CMF CMF 17 1 BUSY BUSY 16 1 ABRF ABRF 15 1 ABRE ABRE 14 1 UDR SPI slave underrun error flag 13 1 EOBF EOBF 12 1 RTOF RTOF 11 1 CTS CTS 10 1 CTSIF CTSIF 9 1 LBDF LBDF 8 1 TXE TXE 7 1 TC TC 6 1 RXNE RXNE 5 1 IDLE IDLE 4 1 ORE ORE 3 1 NF NF 2 1 FE FE 1 1 PE PE 0 1 ICR ICR Interrupt flag clear register 0x20 0x20 write-only 0x0000 WUCF Wakeup from Stop mode clear flag 20 1 CMCF Character match clear flag 17 1 UDRCF SPI slave underrun clear flag 13 1 EOBCF End of block clear flag 12 1 RTOCF Receiver timeout clear flag 11 1 CTSCF CTS clear flag 9 1 LBDCF LIN break detection clear flag 8 1 TCBGTCF Transmission complete before Guard time clear flag 7 1 TCCF Transmission complete clear flag 6 1 TXFECF TXFIFO empty clear flag 5 1 IDLECF Idle line detected clear flag 4 1 ORECF Overrun error clear flag 3 1 NCF Noise detected clear flag 2 1 FECF Framing error clear flag 1 1 PECF Parity error clear flag 0 1 RDR RDR Receive data register 0x24 0x20 read-only 0x0000 RDR Receive data value 0 9 TDR TDR Transmit data register 0x28 0x20 read-write 0x0000 TDR Transmit data value 0 9 PRESC PRESC Prescaler register 0x2C 0x20 read-write 0x0000 PRESCALER Clock prescaler 0 4 USART3_USART4USART3 + USART4 interrupt29 USART2 0x40004400 USART2 USART2 global interrupt 28 USART4 0x40004C00 SPI1 Serial peripheral interface/Inter-IC sound SPI 0x40013000 0x0 0x400 registers SPI1 SPI1 global interrupt 25 CR1 CR1 control register 1 0x0 0x20 read-write 0x0000 BIDIMODE Bidirectional data mode enable 15 1 BIDIOE Output enable in bidirectional mode 14 1 CRCEN Hardware CRC calculation enable 13 1 CRCNEXT CRC transfer next 12 1 DFF Data frame format 11 1 RXONLY Receive only 10 1 SSM Software slave management 9 1 SSI Internal slave select 8 1 LSBFIRST Frame format 7 1 SPE SPI enable 6 1 BR Baud rate control 3 3 MSTR Master selection 2 1 CPOL Clock polarity 1 1 CPHA Clock phase 0 1 CR2 CR2 control register 2 0x4 0x20 read-write 0x0000 RXDMAEN Rx buffer DMA enable 0 1 TXDMAEN Tx buffer DMA enable 1 1 SSOE SS output enable 2 1 NSSP NSS pulse management 3 1 FRF Frame format 4 1 ERRIE Error interrupt enable 5 1 RXNEIE RX buffer not empty interrupt enable 6 1 TXEIE Tx buffer empty interrupt enable 7 1 DS Data size 8 4 FRXTH FIFO reception threshold 12 1 LDMA_RX Last DMA transfer for reception 13 1 LDMA_TX Last DMA transfer for transmission 14 1 SR SR status register 0x8 0x20 0x0002 RXNE Receive buffer not empty 0 1 read-only TXE Transmit buffer empty 1 1 read-only CHSIDE Channel side 2 1 read-only UDR Underrun flag 3 1 read-only CRCERR CRC error flag 4 1 read-write MODF Mode fault 5 1 read-only OVR Overrun flag 6 1 read-only BSY Busy flag 7 1 read-only TIFRFE TI frame format error 8 1 read-only FRLVL FIFO reception level 9 2 read-only FTLVL FIFO transmission level 11 2 read-only DR DR data register 0xC 0x20 read-write 0x0000 DR Data register 0 16 CRCPR CRCPR CRC polynomial register 0x10 0x20 read-write 0x0007 CRCPOLY CRC polynomial register 0 16 RXCRCR RXCRCR RX CRC register 0x14 0x20 read-only 0x0000 RxCRC Rx CRC register 0 16 TXCRCR TXCRCR TX CRC register 0x18 0x20 read-only 0x0000 TxCRC Tx CRC register 0 16 I2SCFGR I2SCFGR configuration register 0x1C 0x20 read-write 0x0000 CHLEN Channel length (number of bits per audio channel) 0 1 DATLEN Data length to be transferred 1 2 CKPOL Inactive state clock polarity 3 1 I2SSTD standard selection 4 2 PCMSYNC PCM frame synchronization 7 1 I2SCFG I2S configuration mode 8 2 SE2 I2S enable 10 1 I2SMOD I2S mode selection 11 1 I2SPR I2SPR prescaler register 0x20 0x20 read-write 0x0000 I2SDIV linear prescaler 0 8 ODD Odd factor for the prescaler 8 1 MCKOE Master clock output enable 9 1 HWCFGR HWCFGR hardware configuration register 0x3F0 0x20 read-only 0x0000 CRCCFG CRC capable at SPI mode 0 4 I2SCFG I2S mode implementation 4 4 I2SCKCFG I2S master clock generator at I2S mode 8 4 DSCFG SPI data size configuration 12 4 NSSCFG NSS pulse feature enhancement at SPI master 16 4 VERR VERR EXTI IP Version register 0x3F4 0x20 read-only 0x00000000 MINREV Minor Revision number 0 4 MAJREV Major Revision number 4 4 IPIDR IPIDR EXTI Identification register 0x3F8 0x20 read-only 0x00000000 IPID IP Identification 0 32 SIDR SIDR EXTI Size ID register 0x3FC 0x20 read-only 0x00000000 SID Size Identification 0 32 SPI2 0x40003800 SPI2 SPI2 global interrupt 26 TIM1 Advanced-timers TIM 0x40012C00 0x0 0x400 registers TIM1_BRK_UP_TRG_COM IM1 break, update, trigger and commutation interrupts 13 TIM1_CC TIM1 Capture Compare interrupt 14 CR1 CR1 control register 1 0x0 0x20 read-write 0x0000 CEN Counter enable 0 1 OPM One-pulse mode 3 1 UDIS Update disable 1 1 URS Update request source 2 1 DIR Direction 4 1 CMS Center-aligned mode selection 5 2 ARPE Auto-reload preload enable 7 1 CKD Clock division 8 2 UIFREMAP UIF status bit remapping 11 1 CR2 CR2 control register 2 0x4 0x20 read-write 0x0000 MMS2 Master mode selection 2 20 4 OIS6 Output Idle state 6 (OC6 output) 18 1 OIS5 Output Idle state 5 (OC5 output) 16 1 OIS4 Output Idle state 4 14 1 OIS3N Output Idle state 3 13 1 OIS3 Output Idle state 3 12 1 OIS2N Output Idle state 2 11 1 OIS2 Output Idle state 2 10 1 OIS1N Output Idle state 1 9 1 OIS1 Output Idle state 1 8 1 TI1S TI1 selection 7 1 MMS Master mode selection 4 3 CCDS Capture/compare DMA selection 3 1 CCUS Capture/compare control update selection 2 1 CCPC Capture/compare preloaded control 0 1 SMCR SMCR slave mode control register 0x8 0x20 read-write 0x0000 SMS Slave mode selection 0 3 OCCS OCREF clear selection 3 1 TS_4 Trigger selection 4 3 MSM Master/Slave mode 7 1 ETF External trigger filter 8 4 ETPS External trigger prescaler 12 2 ECE External clock enable 14 1 ETP External trigger polarity 15 1 SMS_3 Slave mode selection - bit 3 16 1 TS Trigger selection 20 2 DIER DIER DMA/Interrupt enable register 0xC 0x20 read-write 0x0000 UIE Update interrupt enable 0 1 CC1IE Capture/Compare 1 interrupt enable 1 1 CC2IE Capture/Compare 2 interrupt enable 2 1 CC3IE Capture/Compare 3 interrupt enable 3 1 CC4IE Capture/Compare 4 interrupt enable 4 1 COMIE COM interrupt enable 5 1 TIE Trigger interrupt enable 6 1 BIE Break interrupt enable 7 1 UDE Update DMA request enable 8 1 CC1DE Capture/Compare 1 DMA request enable 9 1 CC2DE Capture/Compare 2 DMA request enable 10 1 CC3DE Capture/Compare 3 DMA request enable 11 1 CC4DE Capture/Compare 4 DMA request enable 12 1 COMDE COM DMA request enable 13 1 TDE Trigger DMA request enable 14 1 SR SR status register 0x10 0x20 read-write 0x0000 UIF Update interrupt flag 0 1 CC1IF Capture/compare 1 interrupt flag 1 1 CC2IF Capture/Compare 2 interrupt flag 2 1 CC3IF Capture/Compare 3 interrupt flag 3 1 CC4IF Capture/Compare 4 interrupt flag 4 1 COMIF COM interrupt flag 5 1 TIF Trigger interrupt flag 6 1 BIF Break interrupt flag 7 1 B2IF Break 2 interrupt flag 8 1 CC1OF Capture/Compare 1 overcapture flag 9 1 CC2OF Capture/compare 2 overcapture flag 10 1 CC3OF Capture/Compare 3 overcapture flag 11 1 CC4OF Capture/Compare 4 overcapture flag 12 1 SBIF System Break interrupt flag 13 1 CC5IF Compare 5 interrupt flag 16 1 CC6IF Compare 6 interrupt flag 17 1 EGR EGR event generation register 0x14 0x20 write-only 0x0000 UG Update generation 0 1 CC1G Capture/compare 1 generation 1 1 CC2G Capture/compare 2 generation 2 1 CC3G Capture/compare 3 generation 3 1 CC4G Capture/compare 4 generation 4 1 COMG Capture/Compare control update generation 5 1 TG Trigger generation 6 1 BG Break generation 7 1 B2G Break 2 generation 8 1 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 0x20 read-write 0x00000000 CC1S Capture/Compare 1 selection 0 2 OC1FE Output Compare 1 fast enable 2 1 OC1PE Output Compare 1 preload enable 3 1 OC1M Output Compare 1 mode 4 3 OC1CE Output Compare 1 clear enable 7 1 CC2S Capture/Compare 2 selection 8 2 OC2FE Output Compare 2 fast enable 10 1 OC2PE Output Compare 2 preload enable 11 1 OC2M Output Compare 2 mode 12 3 OC2CE Output Compare 2 clear enable 15 1 OC1M_3 Output Compare 1 mode - bit 3 16 1 OC2M_3 Output Compare 2 mode - bit 3 24 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (output mode) CCMR1_Output 0x18 0x20 read-write 0x00000000 CC1S Capture/Compare 1 selection 0 2 OC1FE Output Compare 1 fast enable 2 1 OC1PE Output Compare 1 preload enable 3 1 OC1M Output Compare 1 mode 4 3 OC1CE Output Compare 1 clear enable 7 1 CC2S Capture/Compare 2 selection 8 2 OC2FE Output Compare 2 fast enable 10 1 OC2PE Output Compare 2 preload enable 11 1 OC2M Output Compare 2 mode 12 3 OC2CE Output Compare 2 clear enable 15 1 CCMR2_Output CCMR2_Output capture/compare mode register 2 (output mode) 0x1C 0x20 read-write 0x00000000 CC3S Capture/Compare 3 selection 0 2 OC3FE Output compare 3 fast enable 2 1 OC3PE Output compare 3 preload enable 3 1 OC3M Output compare 3 mode 4 3 OC3CE Output compare 3 clear enable 7 1 CC4S Capture/Compare 4 selection 8 2 OC4FE Output compare 4 fast enable 10 1 OC4PE Output compare 4 preload enable 11 1 OC4M Output compare 4 mode 12 3 OC4CE Output compare 4 clear enable 15 1 OC3M_3 Output Compare 3 mode - bit 3 16 1 OC4M_3 Output Compare 4 mode - bit 3 24 1 CCMR2_Input CCMR2_Input capture/compare mode register 2 (output mode) CCMR2_Output 0x1C 0x20 read-write 0x00000000 CC3S Capture/Compare 3 selection 0 2 OC3FE Output compare 3 fast enable 2 1 OC3PE Output compare 3 preload enable 3 1 OC3M Output compare 3 mode 4 3 OC3CE Output compare 3 clear enable 7 1 CC4S Capture/Compare 4 selection 8 2 OC4FE Output compare 4 fast enable 10 1 OC4PE Output compare 4 preload enable 11 1 OC4M Output compare 4 mode 12 3 OC4CE Output compare 4 clear enable 15 1 CCER CCER capture/compare enable register 0x20 0x20 read-write 0x0000 CC1E Capture/Compare 1 output enable 0 1 CC1P Capture/Compare 1 output Polarity 1 1 CC1NE Capture/Compare 1 complementary output enable 2 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC2E Capture/Compare 2 output enable 4 1 CC2P Capture/Compare 2 output Polarity 5 1 CC2NE Capture/Compare 2 complementary output enable 6 1 CC2NP Capture/Compare 2 output Polarity 7 1 CC3E Capture/Compare 3 output enable 8 1 CC3P Capture/Compare 3 output Polarity 9 1 CC3NE Capture/Compare 3 complementary output enable 10 1 CC3NP Capture/Compare 3 output Polarity 11 1 CC4E Capture/Compare 4 output enable 12 1 CC4P Capture/Compare 3 output Polarity 13 1 CC4NP Capture/Compare 4 complementary output polarity 15 1 CC5E Capture/Compare 5 output enable 16 1 CC5P Capture/Compare 5 output polarity 17 1 CC6E Capture/Compare 6 output enable 20 1 CC6P Capture/Compare 6 output polarity 21 1 CNT CNT counter 0x24 0x20 0x00000000 CNT counter value 0 16 read-write UIFCPY UIF copy 31 1 read-only PSC PSC prescaler 0x28 0x20 read-write 0x0000 PSC Prescaler value 0 16 ARR ARR auto-reload register 0x2C 0x20 read-write 0x00000000 ARR Auto-reload value 0 16 RCR RCR repetition counter register 0x30 0x20 read-write 0x0000 REP Repetition counter value 0 16 CCR1 CCR1 capture/compare register 1 0x34 0x20 read-write 0x00000000 CCR1 Capture/Compare 1 value 0 16 CCR2 CCR2 capture/compare register 2 0x38 0x20 read-write 0x00000000 CCR2 Capture/Compare 2 value 0 16 CCR3 CCR3 capture/compare register 3 0x3C 0x20 read-write 0x00000000 CCR3 Capture/Compare value 0 16 CCR4 CCR4 capture/compare register 4 0x40 0x20 read-write 0x00000000 CCR4 Capture/Compare value 0 16 BDTR BDTR break and dead-time register 0x44 0x20 read-write 0x0000 DTG Dead-time generator setup 0 8 LOCK Lock configuration 8 2 OSSI Off-state selection for Idle mode 10 1 OSSR Off-state selection for Run mode 11 1 BKE Break enable 12 1 BKP Break polarity 13 1 AOE Automatic output enable 14 1 MOE Main output enable 15 1 BKF Break filter 16 4 BK2F Break 2 filter 20 4 BK2E Break 2 enable 24 1 BK2P Break 2 polarity 25 1 BKDSRM Break Disarm 26 1 BK2DSRM Break2 Disarm 27 1 BKBID Break Bidirectional 28 1 BK2ID Break2 bidirectional 29 1 DCR DCR DMA control register 0x48 0x20 read-write 0x0000 DBL DMA burst length 8 5 DBA DMA base address 0 5 DMAR DMAR DMA address for full transfer 0x4C 0x20 read-write 0x0000 DMAB DMA register for burst accesses 0 16 OR1 OR1 option register 1 0x50 0x20 read-write 0x0000 OCREF_CLR Ocref_clr source selection 0 1 CCMR3_Output CCMR3_Output capture/compare mode register 2 (output mode) 0x54 0x20 read-write 0x00000000 OC6M_bit3 Output Compare 6 mode bit 3 24 1 OC5M_bit3 Output Compare 5 mode bit 3 16 1 OC6CE Output compare 6 clear enable 15 1 OC6M Output compare 6 mode 12 3 OC6PE Output compare 6 preload enable 11 1 OC6FE Output compare 6 fast enable 10 1 OC5CE Output compare 5 clear enable 7 1 OC5M Output compare 5 mode 4 3 OC5PE Output compare 5 preload enable 3 1 OC5FE Output compare 5 fast enable 2 1 CCR5 CCR5 capture/compare register 4 0x58 0x20 read-write 0x00000000 CCR5 Capture/Compare value 0 16 GC5C1 Group Channel 5 and Channel 1 29 1 GC5C2 Group Channel 5 and Channel 2 30 1 GC5C3 Group Channel 5 and Channel 3 31 1 CCR6 CCR6 capture/compare register 4 0x5C 0x20 read-write 0x00000000 CCR6 Capture/Compare value 0 16 AF1 AF1 DMA address for full transfer 0x60 0x20 read-write 0x00000001 BKINE BRK BKIN input enable 0 1 BKCMP1E BRK COMP1 enable 1 1 BKCMP2E BRK COMP2 enable 2 1 BKINP BRK BKIN input polarity 9 1 BKCMP1P BRK COMP1 input polarity 10 1 BKCMP2P BRK COMP2 input polarity 11 1 ETRSEL ETR source selection 14 3 AF2 AF2 DMA address for full transfer 0x64 0x20 read-write 0x00000001 BK2INE BRK2 BKIN input enable 0 1 BK2CMP1E BRK2 COMP1 enable 1 1 BK2CMP2E BRK2 COMP2 enable 2 1 BK2DFBK0E BRK2 DFSDM_BREAK0 enable 8 1 BK2INP BRK2 BKIN input polarity 9 1 BK2CMP1P BRK2 COMP1 input polarity 10 1 BK2CMP2P BRK2 COMP2 input polarity 11 1 ADC Analog to Digital Converter instance 1 ADC 0x40012400 0x0 0x400 registers ADC ADC Interrupt 12 ISR ISR ADC interrupt and status register 0x0 0x20 read-write 0x00000000 CCRDY Channel Configuration Ready flag 13 1 EOCAL End Of Calibration flag 11 1 AWD3 ADC analog watchdog 3 flag 9 1 AWD2 ADC analog watchdog 2 flag 8 1 AWD1 ADC analog watchdog 1 flag 7 1 OVR ADC group regular overrun flag 4 1 EOS ADC group regular end of sequence conversions flag 3 1 EOC ADC group regular end of unitary conversion flag 2 1 EOSMP ADC group regular end of sampling flag 1 1 ADRDY ADC ready flag 0 1 IER IER ADC interrupt enable register 0x4 0x20 read-write 0x00000000 CCRDYIE Channel Configuration Ready Interrupt enable 13 1 EOCALIE End of calibration interrupt enable 11 1 AWD3IE ADC analog watchdog 3 interrupt 9 1 AWD2IE ADC analog watchdog 2 interrupt 8 1 AWD1IE ADC analog watchdog 1 interrupt 7 1 OVRIE ADC group regular overrun interrupt 4 1 EOSIE ADC group regular end of sequence conversions interrupt 3 1 EOCIE ADC group regular end of unitary conversion interrupt 2 1 EOSMPIE ADC group regular end of sampling interrupt 1 1 ADRDYIE ADC ready interrupt 0 1 CR CR ADC control register 0x8 0x20 read-write 0x00000000 ADCAL ADC calibration 31 1 ADVREGEN ADC voltage regulator enable 28 1 ADSTP ADC group regular conversion stop 4 1 ADSTART ADC group regular conversion start 2 1 ADDIS ADC disable 1 1 ADEN ADC enable 0 1 CFGR1 CFGR1 ADC configuration register 1 0xC 0x20 read-write 0x00000000 AWDCH1CH ADC analog watchdog 1 monitored channel selection 26 5 AWD1EN ADC analog watchdog 1 enable on scope ADC group regular 23 1 AWD1SGL ADC analog watchdog 1 monitoring a single channel or all channels 22 1 CHSELRMOD Mode selection of the ADC_CHSELR register 21 1 DISCEN ADC group regular sequencer discontinuous mode 16 1 AUTOFF Auto-off mode 15 1 WAIT Wait conversion mode 14 1 CONT ADC group regular continuous conversion mode 13 1 OVRMOD ADC group regular overrun configuration 12 1 EXTEN ADC group regular external trigger polarity 10 2 EXTSEL ADC group regular external trigger source 6 3 ALIGN ADC data alignement 5 1 RES ADC data resolution 3 2 SCANDIR Scan sequence direction 2 1 DMACFG ADC DMA transfer configuration 1 1 DMAEN ADC DMA transfer enable 0 1 CFGR2 CFGR2 ADC configuration register 2 0x10 0x20 read-write 0x00000000 CKMODE ADC clock mode 30 2 LFTRIG Low frequency trigger mode enable 29 1 TOVS ADC oversampling discontinuous mode (triggered mode) for ADC group regular 9 1 OVSS ADC oversampling shift 5 4 OVSR ADC oversampling ratio 2 3 OVSE ADC oversampler enable on scope ADC group regular 0 1 SMPR SMPR ADC sampling time register 0x14 0x20 read-write 0x00000000 SMP1 Sampling time selection 0 3 SMP2 Sampling time selection 4 3 SMPSEL Channel sampling time selection 8 19 AWD1TR AWD1TR watchdog threshold register 0x20 0x20 read-write 0x0FFF0000 HT1 ADC analog watchdog 1 threshold high 16 12 LT1 ADC analog watchdog 1 threshold low 0 12 AWD2TR AWD2TR watchdog threshold register 0x24 0x20 read-write 0x0FFF0000 HT2 ADC analog watchdog 2 threshold high 16 12 LT2 ADC analog watchdog 2 threshold low 0 12 CHSELR CHSELR channel selection register 0x28 0x20 read-write 0x0FFF0000 CHSEL Channel-x selection 0 19 CHSELR_1 CHSELR_1 channel selection register CHSELRMOD = 1 in ADC_CFGR1 CHSELR 0x28 0x20 read-write 0x00000000 SQ1 conversion of the sequence 0 4 SQ2 conversion of the sequence 4 4 SQ3 conversion of the sequence 8 4 SQ4 conversion of the sequence 12 4 SQ5 conversion of the sequence 16 4 SQ6 conversion of the sequence 20 4 SQ7 conversion of the sequence 24 4 SQ8 conversion of the sequence 28 4 AWD3TR AWD3TR watchdog threshold register 0x2C 0x20 read-write 0x0FFF0000 HT3 ADC analog watchdog 3 threshold high 16 12 LT3 ADC analog watchdog 3 threshold high 0 12 DR DR ADC group regular conversion data register 0x40 0x20 read-only 0x00000000 regularDATA ADC group regular conversion data 0 16 AWD2CR AWD2CR ADC analog watchdog 2 configuration register 0xA0 0x20 read-write 0x00000000 AWD2CH ADC analog watchdog 2 monitored channel selection 0 19 AWD3CR AWD3CR ADC analog watchdog 3 configuration register 0xA4 0x20 read-write 0x00000000 AWD3CH ADC analog watchdog 3 monitored channel selection 0 19 CALFACT CALFACT ADC calibration factors register 0xB4 0x20 read-write 0x00000000 CALFACT ADC calibration factor in single-ended mode 0 7 CCR CCR ADC common control register 0x308 0x20 read-write 0x00000000 PRESC ADC prescaler 18 4 VREFEN VREFINT enable 22 1 TSEN Temperature sensor enable 23 1 VBATEN VBAT enable 24 1 HWCFGR6 HWCFGR6 Hardware Configuration Register 0x3D8 0x20 read-write 0x1F1F1F1F CHMAP20 Input channel mapping 0 5 CHMAP21 Input channel mapping 8 5 CHMAP22 Input channel mapping 16 5 CHMAP23 Input channel mapping 24 5 HWCFGR5 HWCFGR5 Hardware Configuration Register 0x3DC 0x20 read-write 0x1F080807 CHMAP19 Input channel mapping 0 5 CHMAP18 Input channel mapping 8 5 CHMAP17 Input channel mapping 16 5 CHMAP16 Input channel mapping 24 5 HWCFGR4 HWCFGR4 Hardware Configuration Register 0x3E0 0x20 read-write 0x070B0A09 CHMAP15 Input channel mapping 0 5 CHMAP14 Input channel mapping 8 5 CHMAP13 Input channel mapping 16 5 CHMAP12 Input channel mapping 24 5 HWCFGR3 HWCFGR3 Hardware Configuration Register 0x3E4 0x20 read-write 0x07060605 CHMAP11 Input channel mapping 0 5 CHMAP10 Input channel mapping 8 5 CHMAP9 Input channel mapping 16 5 CHMAP8 Input channel mapping 24 5 HWCFGR2 HWCFGR2 Hardware Configuration Register 0x3E8 0x20 read-write 0x05050404 CHMAP7 Input channel mapping 0 5 CHMAP6 Input channel mapping 8 5 CHMAP5 Input channel mapping 16 5 CHMAP4 Input channel mapping 24 5 HWCFGR1 HWCFGR1 Hardware Configuration Register 0x3EC 0x20 read-write 0x03020100 CHMAP3 Input channel mapping 0 5 CHMAP2 Input channel mapping 8 5 CHMAP1 Input channel mapping 16 5 CHMAP0 Input channel mapping 24 5 HWCFGR0 HWCFGR0 Hardware Configuration Register 0x3F0 0x20 read-only 0x00000110 NUM_CHAN_24 NUM_CHAN_24 0 4 EXTRA_AWDS Extra analog watchdog 4 4 OVS Oversampling 8 4 VERR VERR EXTI IP Version register 0x3F4 0x20 read-only 0x00000000 MINREV Minor Revision number 0 4 MAJREV Major Revision number 4 4 IPIDR IPIDR EXTI Identification register 0x3F8 0x20 read-only 0x00000000 IPID IP Identification 0 32 SIDR SIDR EXTI Size ID register 0x3FC 0x20 read-only 0x00000000 SID Size Identification 0 32 TAMP Tamper and backup registers TAMP 0x4000B000 0x0 0x400 registers CR1 CR1 control register 1 0x0 0x20 read-write 0xFFFF0000 TAMP1E TAMP1E 0 1 TAMP2E TAMP2E 1 1 ITAMP1E ITAMP1E 16 1 ITAMP3E ITAMP3E 18 1 ITAMP4E ITAMP4E 19 1 ITAMP5E ITAMP5E 20 1 ITAMP6E ITAMP6E 21 1 CR2 CR2 control register 2 0x4 0x20 read-write 0x00000000 TAMP1NOER TAMP1NOER 0 1 TAMP2NOER TAMP2NOER 1 1 TAMP1MSK TAMP1MSK 16 1 TAMP2MSK TAMP2MSK 17 1 TAMP1TRG TAMP1TRG 24 1 TAMP2TRG TAMP2TRG 25 1 FLTCR FLTCR TAMP filter control register 0xC 0x20 read-write 0x00000000 TAMPFREQ TAMPFREQ 0 3 TAMPFLT TAMPFLT 3 2 TAMPPRCH TAMPPRCH 5 2 TAMPPUDIS TAMPPUDIS 7 1 IER IER TAMP interrupt enable register 0x2C 0x20 read-write 0x00000000 TAMP1IE TAMP1IE 0 1 TAMP2IE TAMP2IE 1 1 ITAMP1IE ITAMP1IE 16 1 ITAMP3IE ITAMP3IE 18 1 ITAMP4IE ITAMP4IE 19 1 ITAMP5IE ITAMP5IE 20 1 ITAMP6IE ITAMP6IE 21 1 SR SR TAMP status register 0x30 0x20 read-only 0x00000000 TAMP1F TAMP1F 0 1 TAMP2F TAMP2F 1 1 ITAMP1F ITAMP1F 16 1 ITAMP3F ITAMP3F 18 1 ITAMP4F ITAMP4F 19 1 ITAMP5F ITAMP5F 20 1 ITAMP6F ITAMP6F 21 1 ITAMP7F ITAMP7F 22 1 MISR MISR TAMP masked interrupt status register 0x34 0x20 read-only 0x00000000 TAMP1MF TAMP1MF: 0 1 TAMP2MF TAMP2MF 1 1 ITAMP1MF ITAMP1MF 16 1 ITAMP3MF ITAMP3MF 18 1 ITAMP4MF ITAMP4MF 19 1 ITAMP5MF ITAMP5MF 20 1 ITAMP6MF ITAMP6MF 21 1 SCR SCR TAMP status clear register 0x3C 0x20 write-only 0x00000000 CTAMP1F CTAMP1F 0 1 CTAMP2F CTAMP2F 1 1 CITAMP1F CITAMP1F 16 1 CITAMP3F CITAMP3F 18 1 CITAMP4F CITAMP4F 19 1 CITAMP5F CITAMP5F 20 1 CITAMP6F CITAMP6F 21 1 CITAMP7F CITAMP7F 22 1 BKP0R BKP0R TAMP backup register 0x100 0x20 read-write 0x00000000 BKP BKP 0 32 BKP1R BKP1R TAMP backup register 0x104 0x20 read-write 0x00000000 BKP BKP 0 32 BKP2R BKP2R TAMP backup register 0x108 0x20 read-write 0x00000000 BKP BKP 0 32 BKP3R BKP3R TAMP backup register 0x10C 0x20 read-write 0x00000000 BKP BKP 0 32 BKP4R BKP4R TAMP backup register 0x110 0x20 read-write 0x00000000 BKP BKP 0 32 HWCFGR2 HWCFGR2 TAMP hardware configuration register 2 0x3EC 0x20 read-only 0x00000000 PTIONREG_OUT PTIONREG_OUT 0 8 TRUST_ZONE TRUST_ZONE 8 4 HWCFGR1 HWCFGR1 TAMP hardware configuration register 1 0x3F0 0x20 read-only 0x00000000 BACKUP_REGS BACKUP_REGS 0 8 TAMPER TAMPER 8 4 ACTIVE_TAMPER ACTIVE_TAMPER 12 4 INT_TAMPER INT_TAMPER 16 16 VERR VERR EXTI IP Version register 0x3F4 0x20 read-only 0x00000000 MINREV Minor Revision number 0 4 MAJREV Major Revision number 4 4 IPIDR IPIDR EXTI Identification register 0x3F8 0x20 read-only 0x00000000 IPID IP Identification 0 32 SIDR SIDR EXTI Size ID register 0x3FC 0x20 read-only 0x00000000 SID Size Identification 0 32 I2C1 Inter-integrated circuit I2C 0x40005400 0x0 0x400 registers I2C1 I2C1 global interrupt 23 CR1 CR1 Control register 1 0x0 0x20 read-write 0x00000000 PE Peripheral enable 0 1 TXIE TX Interrupt enable 1 1 RXIE RX Interrupt enable 2 1 ADDRIE Address match interrupt enable (slave only) 3 1 NACKIE Not acknowledge received interrupt enable 4 1 STOPIE STOP detection Interrupt enable 5 1 TCIE Transfer Complete interrupt enable 6 1 ERRIE Error interrupts enable 7 1 DNF Digital noise filter 8 4 ANFOFF Analog noise filter OFF 12 1 TXDMAEN DMA transmission requests enable 14 1 RXDMAEN DMA reception requests enable 15 1 SBC Slave byte control 16 1 NOSTRETCH Clock stretching disable 17 1 WUPEN Wakeup from STOP enable 18 1 GCEN General call enable 19 1 SMBHEN SMBus Host address enable 20 1 SMBDEN SMBus Device Default address enable 21 1 ALERTEN SMBUS alert enable 22 1 PECEN PEC enable 23 1 CR2 CR2 Control register 2 0x4 0x20 read-write 0x00000000 PECBYTE Packet error checking byte 26 1 AUTOEND Automatic end mode (master mode) 25 1 RELOAD NBYTES reload mode 24 1 NBYTES Number of bytes 16 8 NACK NACK generation (slave mode) 15 1 STOP Stop generation (master mode) 14 1 START Start generation 13 1 HEAD10R 10-bit address header only read direction (master receiver mode) 12 1 ADD10 10-bit addressing mode (master mode) 11 1 RD_WRN Transfer direction (master mode) 10 1 SADD Slave address bit (master mode) 0 10 OAR1 OAR1 Own address register 1 0x8 0x20 read-write 0x00000000 OA1_0 Interface address 0 1 OA1_7_1 Interface address 1 7 OA1_8_9 Interface address 8 2 OA1MODE Own Address 1 10-bit mode 10 1 OA1EN Own Address 1 enable 15 1 OAR2 OAR2 Own address register 2 0xC 0x20 read-write 0x00000000 OA2 Interface address 1 7 OA2MSK Own Address 2 masks 8 3 OA2EN Own Address 2 enable 15 1 TIMINGR TIMINGR Timing register 0x10 0x20 read-write 0x00000000 SCLL SCL low period (master mode) 0 8 SCLH SCL high period (master mode) 8 8 SDADEL Data hold time 16 4 SCLDEL Data setup time 20 4 PRESC Timing prescaler 28 4 TIMEOUTR TIMEOUTR Status register 1 0x14 0x20 read-write 0x00000000 TIMEOUTA Bus timeout A 0 12 TIDLE Idle clock timeout detection 12 1 TIMOUTEN Clock timeout enable 15 1 TIMEOUTB Bus timeout B 16 12 TEXTEN Extended clock timeout enable 31 1 ISR ISR Interrupt and Status register 0x18 0x20 0x00000001 ADDCODE Address match code (Slave mode) 17 7 read-only DIR Transfer direction (Slave mode) 16 1 read-only BUSY Bus busy 15 1 read-only ALERT SMBus alert 13 1 read-only TIMEOUT Timeout or t_low detection flag 12 1 read-only PECERR PEC Error in reception 11 1 read-only OVR Overrun/Underrun (slave mode) 10 1 read-only ARLO Arbitration lost 9 1 read-only BERR Bus error 8 1 read-only TCR Transfer Complete Reload 7 1 read-only TC Transfer Complete (master mode) 6 1 read-only STOPF Stop detection flag 5 1 read-only NACKF Not acknowledge received flag 4 1 read-only ADDR Address matched (slave mode) 3 1 read-only RXNE Receive data register not empty (receivers) 2 1 read-only TXIS Transmit interrupt status (transmitters) 1 1 read-write TXE Transmit data register empty (transmitters) 0 1 read-write ICR ICR Interrupt clear register 0x1C 0x20 write-only 0x00000000 ALERTCF Alert flag clear 13 1 TIMOUTCF Timeout detection flag clear 12 1 PECCF PEC Error flag clear 11 1 OVRCF Overrun/Underrun flag clear 10 1 ARLOCF Arbitration lost flag clear 9 1 BERRCF Bus error flag clear 8 1 STOPCF Stop detection flag clear 5 1 NACKCF Not Acknowledge flag clear 4 1 ADDRCF Address Matched flag clear 3 1 PECR PECR PEC register 0x20 0x20 read-only 0x00000000 PEC Packet error checking register 0 8 RXDR RXDR Receive data register 0x24 0x20 read-only 0x00000000 RXDATA 8-bit receive data 0 8 TXDR TXDR Transmit data register 0x28 0x20 read-write 0x00000000 TXDATA 8-bit transmit data 0 8 I2C2 0x40005800 I2C2 I2C2 global interrupt 24 RTC Real-time clock RTC 0x40002800 0x0 0x400 registers RTC_STAMP RTC and TAMP interrupts 2 TR TR time register 0x0 0x20 read-write 0x00000000 PM AM/PM notation 22 1 HT Hour tens in BCD format 20 2 HU Hour units in BCD format 16 4 MNT Minute tens in BCD format 12 3 MNU Minute units in BCD format 8 4 ST Second tens in BCD format 4 3 SU Second units in BCD format 0 4 DR DR date register 0x4 0x20 read-write 0x00002101 YT Year tens in BCD format 20 4 YU Year units in BCD format 16 4 WDU Week day units 13 3 MT Month tens in BCD format 12 1 MU Month units in BCD format 8 4 DT Date tens in BCD format 4 2 DU Date units in BCD format 0 4 SSR SSR sub second register 0x8 0x20 read-only 0x00000000 SS Sub second value 0 16 ICSR ICSR initialization and status register 0xC 0x20 0x00000007 ALRAWF Alarm A write flag 0 1 read-only ALRBWF Alarm B write flag 1 1 read-only WUTWF Wakeup timer write flag 2 1 read-only SHPF Shift operation pending 3 1 read-write INITS Initialization status flag 4 1 read-only RSF Registers synchronization flag 5 1 read-write INITF Initialization flag 6 1 read-only INIT Initialization mode 7 1 read-write RECALPF Recalibration pending Flag 16 1 read-only PRER PRER prescaler register 0x10 0x20 read-write 0x007F00FF PREDIV_A Asynchronous prescaler factor 16 7 PREDIV_S Synchronous prescaler factor 0 15 WUTR WUTR wakeup timer register 0x14 0x20 read-write 0x0000FFFF WUT Wakeup auto-reload value bits 0 16 CR CR control register 0x18 0x20 read-write 0x00000000 WUCKSEL WUCKSEL 0 3 TSEDGE TSEDGE 3 1 REFCKON REFCKON 4 1 BYPSHAD BYPSHAD 5 1 FMT FMT 6 1 ALRAE ALRAE 8 1 ALRBE ALRBE 9 1 WUTE WUTE 10 1 TSE TSE 11 1 ALRAIE ALRAIE 12 1 ALRBIE ALRBIE 13 1 WUTIE WUTIE 14 1 TSIE TSIE 15 1 ADD1H ADD1H 16 1 SUB1H SUB1H 17 1 BKP BKP 18 1 COSEL COSEL 19 1 POL POL 20 1 OSEL OSEL 21 2 COE COE 23 1 ITSE ITSE 24 1 TAMPTS TAMPTS 25 1 TAMPOE TAMPOE 26 1 TAMPALRM_PU TAMPALRM_PU 29 1 TAMPALRM_TYPE TAMPALRM_TYPE 30 1 OUT2EN OUT2EN 31 1 WPR WPR write protection register 0x24 0x20 write-only 0x00000000 KEY Write protection key 0 8 CALR CALR calibration register 0x28 0x20 read-write 0x00000000 CALP Increase frequency of RTC by 488.5 ppm 15 1 CALW8 Use an 8-second calibration cycle period 14 1 CALW16 Use a 16-second calibration cycle period 13 1 CALM Calibration minus 0 9 SHIFTR SHIFTR shift control register 0x2C 0x20 write-only 0x00000000 ADD1S Add one second 31 1 SUBFS Subtract a fraction of a second 0 15 TSTR TSTR time stamp time register 0x30 0x20 read-only 0x00000000 SU Second units in BCD format 0 4 ST Second tens in BCD format 4 3 MNU Minute units in BCD format 8 4 MNT Minute tens in BCD format 12 3 HU Hour units in BCD format 16 4 HT Hour tens in BCD format 20 2 PM AM/PM notation 22 1 TSDR TSDR time stamp date register 0x34 0x20 read-only 0x00000000 WDU Week day units 13 3 MT Month tens in BCD format 12 1 MU Month units in BCD format 8 4 DT Date tens in BCD format 4 2 DU Date units in BCD format 0 4 TSSSR TSSSR timestamp sub second register 0x38 0x20 read-only 0x00000000 SS Sub second value 0 16 ALRMAR ALRMAR alarm A register 0x40 0x20 read-write 0x00000000 MSK4 Alarm A date mask 31 1 WDSEL Week day selection 30 1 DT Date tens in BCD format 28 2 DU Date units or day in BCD format 24 4 MSK3 Alarm A hours mask 23 1 PM AM/PM notation 22 1 HT Hour tens in BCD format 20 2 HU Hour units in BCD format 16 4 MSK2 Alarm A minutes mask 15 1 MNT Minute tens in BCD format 12 3 MNU Minute units in BCD format 8 4 MSK1 Alarm A seconds mask 7 1 ST Second tens in BCD format 4 3 SU Second units in BCD format 0 4 ALRMASSR ALRMASSR alarm A sub second register 0x44 0x20 read-write 0x00000000 MASKSS Mask the most-significant bits starting at this bit 24 4 SS Sub seconds value 0 15 ALRMBR ALRMBR alarm B register 0x48 0x20 read-write 0x00000000 MSK4 Alarm B date mask 31 1 WDSEL Week day selection 30 1 DT Date tens in BCD format 28 2 DU Date units or day in BCD format 24 4 MSK3 Alarm B hours mask 23 1 PM AM/PM notation 22 1 HT Hour tens in BCD format 20 2 HU Hour units in BCD format 16 4 MSK2 Alarm B minutes mask 15 1 MNT Minute tens in BCD format 12 3 MNU Minute units in BCD format 8 4 MSK1 Alarm B seconds mask 7 1 ST Second tens in BCD format 4 3 SU Second units in BCD format 0 4 ALRMBSSR ALRMBSSR alarm B sub second register 0x4C 0x20 read-write 0x00000000 MASKSS Mask the most-significant bits starting at this bit 24 4 SS Sub seconds value 0 15 SR SR status register 0x50 0x20 read-only 0x00000000 ALRAF ALRAF 0 1 ALRBF ALRBF 1 1 WUTF WUTF 2 1 TSF TSF 3 1 TSOVF TSOVF 4 1 ITSF ITSF 5 1 MISR MISR masked interrupt status register 0x54 0x20 read-only 0x00000000 ALRAMF ALRAMF 0 1 ALRBMF ALRBMF 1 1 WUTMF WUTMF 2 1 TSMF TSMF 3 1 TSOVMF TSOVMF 4 1 ITSMF ITSMF 5 1 SCR SCR status clear register 0x5C 0x20 read-write 0x00000000 CALRAF CALRAF 0 1 CALRBF CALRBF 1 1 CWUTF CWUTF 2 1 CTSF CTSF 3 1 CTSOVF CTSOVF 4 1 CITSF CITSF 5 1 HWCFGR HWCFGR hardware configuration register 0x3F0 0x20 read-write 0x00000000 ALARMB ALARMB 0 4 WAKEUP WAKEUP 4 4 SMOOTH_CALIB SMOOTH_CALIB 8 4 TIMESTAMP TIMESTAMP 12 4 OPTIONREG_OUT OPTIONREG_OUT 16 8 TRUST_ZONE TRUST_ZONE 24 4 VERR VERR EXTI IP Version register 0x3F4 0x20 read-only 0x00000010 MINREV Minor Revision number 0 4 MAJREV Major Revision number 4 4 IPIDR IPIDR EXTI Identification register 0x3F8 0x20 read-only 0x00120033 IPID IP Identification 0 32 SIDR SIDR EXTI Size ID register 0x3FC 0x20 read-only 0xA3C5DD01 SID Size Identification 0 32 TIM14 General purpose timers TIM 0x40002000 0x0 0x400 registers TIM14 TIM14 global interrupt 19 CR1 CR1 control register 1 0x0 0x20 read-write 0x0000 UIFREMAP UIF status bit remapping 11 1 CKD Clock division 8 2 ARPE Auto-reload preload enable 7 1 OPM One-pulse mode 3 1 URS Update request source 2 1 UDIS Update disable 1 1 CEN Counter enable 0 1 DIER DIER DMA/Interrupt enable register 0xC 0x20 read-write 0x0000 CC1IE Capture/Compare 1 interrupt enable 1 1 UIE Update interrupt enable 0 1 SR SR status register 0x10 0x20 read-write 0x0000 CC1OF Capture/Compare 1 overcapture flag 9 1 CC1IF Capture/compare 1 interrupt flag 1 1 UIF Update interrupt flag 0 1 EGR EGR event generation register 0x14 0x20 write-only 0x0000 CC1G Capture/compare 1 generation 1 1 UG Update generation 0 1 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 0x20 read-write 0x00000000 CC1S CC1S 0 2 OC1FE OC1FE 2 1 OC1PE OC1PE 3 1 OC1M OC1M 4 3 OC1CE OC1CE 7 1 OC1M_3 Output Compare 1 mode - bit 3 16 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 0x20 read-write 0x00000000 IC1F Input capture 1 filter 4 4 ICPCS Input capture 1 prescaler 2 2 CC1S Capture/Compare 1 selection 0 2 CCER CCER capture/compare enable register 0x20 0x20 read-write 0x0000 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CC1E Capture/Compare 1 output enable 0 1 CNT CNT counter 0x24 0x20 read-write 0x00000000 CNT low counter value 0 16 UIFCPY UIF Copy 31 1 PSC PSC prescaler 0x28 0x20 read-write 0x0000 PSC Prescaler value 0 16 ARR ARR auto-reload register 0x2C 0x20 read-write 0x00000000 ARR Low Auto-reload value 0 16 CCR1 CCR1 capture/compare register 1 0x34 0x20 read-write 0x00000000 CCR1 Low Capture/Compare 1 value 0 16 TISEL TISEL TIM timer input selection register 0x68 0x20 read-write 0x0000 TISEL TI1[0] to TI1[15] input selection 0 4 TIM6 Basic timers TIM 0x40001000 0x0 0x400 registers TIM6 TIM6 global interrupt 17 CR1 CR1 control register 1 0x0 0x20 read-write 0x0000 UIFREMAP UIF status bit remapping 11 1 ARPE Auto-reload preload enable 7 1 OPM One-pulse mode 3 1 URS Update request source 2 1 UDIS Update disable 1 1 CEN Counter enable 0 1 CR2 CR2 control register 2 0x4 0x20 read-write 0x0000 MMS Master mode selection 4 3 DIER DIER DMA/Interrupt enable register 0xC 0x20 read-write 0x0000 UDE Update DMA request enable 8 1 UIE Update interrupt enable 0 1 SR SR status register 0x10 0x20 read-write 0x0000 UIF Update interrupt flag 0 1 EGR EGR event generation register 0x14 0x20 write-only 0x0000 UG Update generation 0 1 CNT CNT counter 0x24 0x20 read-write 0x00000000 CNT Low counter value 0 16 UIFCPY UIF Copy 31 1 PSC PSC prescaler 0x28 0x20 read-write 0x0000 PSC Prescaler value 0 16 ARR ARR auto-reload register 0x2C 0x20 read-write 0x00000000 ARR Low Auto-reload value 0 16 TIM7TIM7 global interrupt18 TIM3 General-purpose-timers TIM 0x40000400 0x0 0x400 registers TIM3 TIM3 global interrupt 16 CR1 CR1 control register 1 0x0 0x20 read-write 0x0000 UIFREMAP UIF status bit remapping 11 1 CKD Clock division 8 2 ARPE Auto-reload preload enable 7 1 CMS Center-aligned mode selection 5 2 DIR Direction 4 1 OPM One-pulse mode 3 1 URS Update request source 2 1 UDIS Update disable 1 1 CEN Counter enable 0 1 CR2 CR2 control register 2 0x4 0x20 read-write 0x0000 TI1S TI1 selection 7 1 MMS Master mode selection 4 3 CCDS Capture/compare DMA selection 3 1 SMCR SMCR slave mode control register 0x8 0x20 read-write 0x0000 TS_4_3 Trigger selection 20 2 SMS_3 Slave mode selection - bit 3 16 1 ETP External trigger polarity 15 1 ECE External clock enable 14 1 ETPS External trigger prescaler 12 2 ETF External trigger filter 8 4 MSM Master/Slave mode 7 1 TS Trigger selection 4 3 OCCS OCREF clear selection 3 1 SMS Slave mode selection 0 3 DIER DIER DMA/Interrupt enable register 0xC 0x20 read-write 0x0000 TDE Trigger DMA request enable 14 1 CC4DE Capture/Compare 4 DMA request enable 12 1 CC3DE Capture/Compare 3 DMA request enable 11 1 CC2DE Capture/Compare 2 DMA request enable 10 1 CC1DE Capture/Compare 1 DMA request enable 9 1 UDE Update DMA request enable 8 1 TIE Trigger interrupt enable 6 1 CC4IE Capture/Compare 4 interrupt enable 4 1 CC3IE Capture/Compare 3 interrupt enable 3 1 CC2IE Capture/Compare 2 interrupt enable 2 1 CC1IE Capture/Compare 1 interrupt enable 1 1 UIE Update interrupt enable 0 1 SR SR status register 0x10 0x20 read-write 0x0000 CC4OF Capture/Compare 4 overcapture flag 12 1 CC3OF Capture/Compare 3 overcapture flag 11 1 CC2OF Capture/compare 2 overcapture flag 10 1 CC1OF Capture/Compare 1 overcapture flag 9 1 TIF Trigger interrupt flag 6 1 CC4IF Capture/Compare 4 interrupt flag 4 1 CC3IF Capture/Compare 3 interrupt flag 3 1 CC2IF Capture/Compare 2 interrupt flag 2 1 CC1IF Capture/compare 1 interrupt flag 1 1 UIF Update interrupt flag 0 1 EGR EGR event generation register 0x14 0x20 write-only 0x0000 TG Trigger generation 6 1 CC4G Capture/compare 4 generation 4 1 CC3G Capture/compare 3 generation 3 1 CC2G Capture/compare 2 generation 2 1 CC1G Capture/compare 1 generation 1 1 UG Update generation 0 1 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 0x20 read-write 0x00000000 OC2M_3 Output Compare 2 mode - bit 3 24 1 OC1M_3 Output Compare 1 mode - bit 3 16 1 OC2CE Output compare 2 clear enable 15 1 OC2M Output compare 2 mode 12 3 OC2PE Output compare 2 preload enable 11 1 OC2FE Output compare 2 fast enable 10 1 CC2S Capture/Compare 2 selection 8 2 OC1CE Output compare 1 clear enable 7 1 OC1M Output compare 1 mode 4 3 OC1PE Output compare 1 preload enable 3 1 OC1FE Output compare 1 fast enable 2 1 CC1S Capture/Compare 1 selection 0 2 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 0x20 read-write 0x00000000 IC2F Input capture 2 filter 12 4 IC2PSC Input capture 2 prescaler 10 2 CC2S Capture/compare 2 selection 8 2 IC1F Input capture 1 filter 4 4 IC1PSC Input capture 1 prescaler 2 2 CC1S Capture/Compare 1 selection 0 2 CCMR2_Output CCMR2_Output capture/compare mode register 2 (output mode) 0x1C 0x20 read-write 0x00000000 OC4M_3 Output Compare 4 mode - bit 3 24 1 OC3M_3 Output Compare 3 mode - bit 3 16 1 OC4CE Output compare 4 clear enable 15 1 OC4M Output compare 4 mode 12 3 OC4PE Output compare 4 preload enable 11 1 OC4FE Output compare 4 fast enable 10 1 CC4S Capture/Compare 4 selection 8 2 OC3CE Output compare 3 clear enable 7 1 OC3M Output compare 3 mode 4 3 OC3PE Output compare 3 preload enable 3 1 OC3FE Output compare 3 fast enable 2 1 CC3S Capture/Compare 3 selection 0 2 CCMR2_Input CCMR2_Input capture/compare mode register 2 (input mode) CCMR2_Output 0x1C 0x20 read-write 0x00000000 IC4F Input capture 4 filter 12 4 IC4PSC Input capture 4 prescaler 10 2 CC4S Capture/Compare 4 selection 8 2 IC3F Input capture 3 filter 4 4 IC3PSC Input capture 3 prescaler 2 2 CC3S Capture/Compare 3 selection 0 2 CCER CCER capture/compare enable register 0x20 0x20 read-write 0x0000 CC4NP Capture/Compare 4 output Polarity 15 1 CC4P Capture/Compare 3 output Polarity 13 1 CC4E Capture/Compare 4 output enable 12 1 CC3NP Capture/Compare 3 output Polarity 11 1 CC3P Capture/Compare 3 output Polarity 9 1 CC3E Capture/Compare 3 output enable 8 1 CC2NP Capture/Compare 2 output Polarity 7 1 CC2P Capture/Compare 2 output Polarity 5 1 CC2E Capture/Compare 2 output enable 4 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CC1E Capture/Compare 1 output enable 0 1 CNT CNT counter 0x24 0x20 read-write 0x00000000 CNT_H High counter value (TIM2 only) 16 16 CNT_L Low counter value 0 16 PSC PSC prescaler 0x28 0x20 read-write 0x0000 PSC Prescaler value 0 16 ARR ARR auto-reload register 0x2C 0x20 read-write 0x00000000 ARR_H High Auto-reload value (TIM2 only) 16 16 ARR_L Low Auto-reload value 0 16 CCR1 CCR1 capture/compare register 1 0x34 0x20 read-write 0x00000000 CCR1_H High Capture/Compare 1 value (TIM2 only) 16 16 CCR1_L Low Capture/Compare 1 value 0 16 CCR2 CCR2 capture/compare register 2 0x38 0x20 read-write 0x00000000 CCR2_H High Capture/Compare 2 value (TIM2 only) 16 16 CCR2_L Low Capture/Compare 2 value 0 16 CCR3 CCR3 capture/compare register 3 0x3C 0x20 read-write 0x00000000 CCR3_H High Capture/Compare value (TIM2 only) 16 16 CCR3_L Low Capture/Compare value 0 16 CCR4 CCR4 capture/compare register 4 0x40 0x20 read-write 0x00000000 CCR4_H High Capture/Compare value (TIM2 only) 16 16 CCR4_L Low Capture/Compare value 0 16 DCR DCR DMA control register 0x48 0x20 read-write 0x0000 DBL DMA burst length 8 5 DBA DMA base address 0 5 DMAR DMAR DMA address for full transfer 0x4C 0x20 read-write 0x0000 DMAB DMA register for burst accesses 0 16 OR1 OR1 TIM option register 0x50 0x20 read-write 0x0000 IOCREF_CLR IOCREF_CLR 0 1 AF1 AF1 TIM alternate function option register 1 0x60 0x20 read-write 0x0000 ETRSEL External trigger source selection 14 4 TISEL TISEL TIM alternate function option register 1 0x68 0x20 read-write 0x0000 TI1SEL TI1SEL 0 4 TI2SEL TI2SEL 8 4 NVIC Nested Vectored Interrupt Controller NVIC 0xE000E100 0x0 0x33D registers ISER ISER Interrupt Set Enable Register 0x0 0x20 read-write 0x00000000 SETENA SETENA 0 32 ICER ICER Interrupt Clear Enable Register 0x80 0x20 read-write 0x00000000 CLRENA CLRENA 0 32 ISPR ISPR Interrupt Set-Pending Register 0x100 0x20 read-write 0x00000000 SETPEND SETPEND 0 32 ICPR ICPR Interrupt Clear-Pending Register 0x180 0x20 read-write 0x00000000 CLRPEND CLRPEND 0 32 IPR0 IPR0 Interrupt Priority Register 0 0x300 0x20 read-write 0x00000000 PRI_0 priority for interrupt 0 0 8 PRI_1 priority for interrupt 1 8 8 PRI_2 priority for interrupt 2 16 8 PRI_3 priority for interrupt 3 24 8 IPR1 IPR1 Interrupt Priority Register 1 0x304 0x20 read-write 0x00000000 PRI_4 priority for interrupt n 0 8 PRI_5 priority for interrupt n 8 8 PRI_6 priority for interrupt n 16 8 PRI_7 priority for interrupt n 24 8 IPR2 IPR2 Interrupt Priority Register 2 0x308 0x20 read-write 0x00000000 PRI_8 priority for interrupt n 0 8 PRI_9 priority for interrupt n 8 8 PRI_10 priority for interrupt n 16 8 PRI_11 priority for interrupt n 24 8 IPR3 IPR3 Interrupt Priority Register 3 0x30C 0x20 read-write 0x00000000 PRI_12 priority for interrupt n 0 8 PRI_13 priority for interrupt n 8 8 PRI_14 priority for interrupt n 16 8 PRI_15 priority for interrupt n 24 8 IPR4 IPR4 Interrupt Priority Register 4 0x310 0x20 read-write 0x00000000 PRI_16 priority for interrupt n 0 8 PRI_17 priority for interrupt n 8 8 PRI_18 priority for interrupt n 16 8 PRI_19 priority for interrupt n 24 8 IPR5 IPR5 Interrupt Priority Register 5 0x314 0x20 read-write 0x00000000 PRI_20 priority for interrupt n 0 8 PRI_21 priority for interrupt n 8 8 PRI_22 priority for interrupt n 16 8 PRI_23 priority for interrupt n 24 8 IPR6 IPR6 Interrupt Priority Register 6 0x318 0x20 read-write 0x00000000 PRI_24 priority for interrupt n 0 8 PRI_25 priority for interrupt n 8 8 PRI_26 priority for interrupt n 16 8 PRI_27 priority for interrupt n 24 8 IPR7 IPR7 Interrupt Priority Register 7 0x31C 0x20 read-write 0x00000000 PRI_28 priority for interrupt n 0 8 PRI_29 priority for interrupt n 8 8 PRI_30 priority for interrupt n 16 8 PRI_31 priority for interrupt n 24 8 MPU Memory protection unit MPU 0xE000ED90 0x0 0x15 registers MPU_TYPER MPU_TYPER MPU type register 0x0 0x20 read-only 0X00000800 SEPARATE Separate flag 0 1 DREGION Number of MPU data regions 8 8 IREGION Number of MPU instruction regions 16 8 MPU_CTRL MPU_CTRL MPU control register 0x4 0x20 read-only 0X00000000 ENABLE Enables the MPU 0 1 HFNMIENA Enables the operation of MPU during hard fault 1 1 PRIVDEFENA Enable priviliged software access to default memory map 2 1 MPU_RNR MPU_RNR MPU region number register 0x8 0x20 read-write 0X00000000 REGION MPU region 0 8 MPU_RBAR MPU_RBAR MPU region base address register 0xC 0x20 read-write 0X00000000 REGION MPU region field 0 4 VALID MPU region number valid 4 1 ADDR Region base address field 5 27 MPU_RASR MPU_RASR MPU region attribute and size register 0x10 0x20 read-write 0X00000000 ENABLE Region enable bit. 0 1 SIZE Size of the MPU protection region 1 5 SRD Subregion disable bits 8 8 B memory attribute 16 1 C memory attribute 17 1 S Shareable memory attribute 18 1 TEX memory attribute 19 3 AP Access permission 24 3 XN Instruction access disable bit 28 1 STK SysTick timer STK 0xE000E010 0x0 0x11 registers CSR CSR SysTick control and status register 0x0 0x20 read-write 0X00000000 ENABLE Counter enable 0 1 TICKINT SysTick exception request enable 1 1 CLKSOURCE Clock source selection 2 1 COUNTFLAG COUNTFLAG 16 1 RVR RVR SysTick reload value register 0x4 0x20 read-write 0X00000000 RELOAD RELOAD value 0 24 CVR CVR SysTick current value register 0x8 0x20 read-write 0X00000000 CURRENT Current counter value 0 24 CALIB CALIB SysTick calibration value register 0xC 0x20 read-write 0X00000000 TENMS Calibration value 0 24 SKEW SKEW flag: Indicates whether the TENMS value is exact 30 1 NOREF NOREF flag. Reads as zero 31 1 SCB System control block SCB 0xE000ED00 0x0 0x41 registers CPUID CPUID CPUID base register 0x0 0x20 read-only 0x410FC241 Revision Revision number 0 4 PartNo Part number of the processor 4 12 Architecture Reads as 0xF 16 4 Variant Variant number 20 4 Implementer Implementer code 24 8 ICSR ICSR Interrupt control and state register 0x4 0x20 read-write 0x00000000 VECTACTIVE Active vector 0 9 RETTOBASE Return to base level 11 1 VECTPENDING Pending vector 12 7 ISRPENDING Interrupt pending flag 22 1 PENDSTCLR SysTick exception clear-pending bit 25 1 PENDSTSET SysTick exception set-pending bit 26 1 PENDSVCLR PendSV clear-pending bit 27 1 PENDSVSET PendSV set-pending bit 28 1 NMIPENDSET NMI set-pending bit. 31 1 VTOR VTOR Vector table offset register 0x8 0x20 read-write 0x00000000 TBLOFF Vector table base offset field 7 25 AIRCR AIRCR Application interrupt and reset control register 0xC 0x20 read-write 0x00000000 VECTCLRACTIVE VECTCLRACTIVE 1 1 SYSRESETREQ SYSRESETREQ 2 1 ENDIANESS ENDIANESS 15 1 VECTKEYSTAT Register key 16 16 SCR SCR System control register 0x10 0x20 read-write 0x00000000 SLEEPONEXIT SLEEPONEXIT 1 1 SLEEPDEEP SLEEPDEEP 2 1 SEVEONPEND Send Event on Pending bit 4 1 CCR CCR Configuration and control register 0x14 0x20 read-write 0x00000000 NONBASETHRDENA Configures how the processor enters Thread mode 0 1 USERSETMPEND USERSETMPEND 1 1 UNALIGN__TRP UNALIGN_ TRP 3 1 DIV_0_TRP DIV_0_TRP 4 1 BFHFNMIGN BFHFNMIGN 8 1 STKALIGN STKALIGN 9 1 SHPR2 SHPR2 System handler priority registers 0x1C 0x20 read-write 0x00000000 PRI_11 Priority of system handler 11 24 8 SHPR3 SHPR3 System handler priority registers 0x20 0x20 read-write 0x00000000 PRI_14 Priority of system handler 14 16 8 PRI_15 Priority of system handler 15 24 8 TIM70x40001400 USART30x40004800