STMicroelectronics STM32F429 Reference Manual

DocID018909 Rev 11 115/1731
RM0090 CRC calculation unit
115
4.4.3 Control register (CRC_CR)
Address offset: 0x08
Reset value: 0x0000 0000
4.4.4 CRC register map
The following table provides the CRC register map and reset values.
Bits 31:8 Reserved, must be kept at reset value.
Bits 7:0 General-purpose 8-bit data register bits
Can be used as a temporary storage location for one byte.
This register is not affected by CRC resets generated by the RESET bit in the CRC_CR
register.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Reserved
RESET
w
Bits 31:1 Reserved, must be kept at reset value.
Bit 0 RESET bit
Resets the CRC calculation unit and sets the data register to 0xFFFF FFFF.
This bit can only be set, it is automatically cleared by hardware.
Table 21. CRC calculation unit register map and reset values
Offset Register 31-24 23-16 15-8 7 6 5 4 3 2 1 0
0x00
CRC_DR Data register
Reset
value
0xFFFF FFFF
0x04
CRC_IDR
Reserved
Independent data register
Reset
value
0x00
0x08
CRC_CR
Reserved
RESET
Reset
value
0

STMicroelectronics STM32F429 Specifications

General

Brand	STMicroelectronics
Model	STM32F429
Category	Controller
Language	English