Cryptographic processor CRC 0x0 0x400 registers DR DR Data register 0x0 0x20 read-write 0xFFFFFFFF DR Data Register 0 32 IDR IDR Independent Data register 0x4 0x20 read-write 0x00000000 IDR Independent Data register 0 8 CR CR Control register 0x8 0x20 write-only 0x00000000 CR Control regidter 0 1