ST STM32WL55JC User Manual

RM0453 Rev 2 529/1454
RM0453 Cyclic redundancy check calculation unit (CRC)
530
17.4.4 CRC initial value (CRC_INIT)
Address offset: 0x10
Reset value: 0xFFFF FFFF
17.4.5 CRC polynomial (CRC_POL)
Address offset: 0x14
Reset value: 0x04C1 1DB7
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CRC_INIT[31:16]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CRC_INIT[15:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:0 CRC_INIT[31:0]: Programmable initial CRC value
This register is used to write the CRC initial value.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
POL[31:16]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
POL[15:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:0 POL[31:0]: Programmable polynomial
This register is used to write the coefficients of the polynomial to be used for CRC
calculation.
If the polynomial size is less than 32 bits, the least significant bits have to be used to program
the correct value.

ST STM32WL55JC Specifications

General

Brand	ST
Model	STM32WL55JC
Category	Microcontrollers
Language	English