Crc Initial Value (Crc_Init); Crc Polynomial (Crc_Pol) - ST STM32G0 1 Series Reference Manual

RM0444
14.4.4

CRC initial value (CRC_INIT)

Address offset: 0x10
Reset value: 0xFFFF FFFF
31 30 29 28
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15 14 13 12
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Bits 31:0 CRC_INIT[31:0]: Programmable initial CRC value
This register is used to write the CRC initial value.
14.4.5

CRC polynomial (CRC_POL)

Address offset: 0x14
Reset value: 0x04C1 1DB7
31 30 29 28
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15 14 13 12
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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.
27 26 25 24
CRC_INIT[31:16]
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11 10 9 8
CRC_INIT[15:0]
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27 26 25 24
POL[31:16]
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11 10 9 8
POL[15:0]
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RM0444 Rev 5
Cyclic redundancy check calculation unit (CRC)
23 22 21
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7 6 5
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23 22 21
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7 6 5
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20 19 18 17
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4 3 2 1
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20 19 18 17
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4 3 2 1
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341/1390
16
rw
0
rw
16
rw
0
rw
342