ST STM32F31xx User Manual page 154

CRC calculation unit (CRC)
6.2.5.2 CRC_ResetDR
Function Name
Function Description
Parameters
Return values
Notes
6.2.5.3 CRC_PolynomialSizeSelect
Function Name
Function Description
Parameters
Return values
Notes
6.2.5.4 CRC_ReverseInputDataSelect
Function Name
Function Description
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void CRC_ResetDR ( void )
Resets the CRC calculation unit and sets INIT register content in
DR register.

None.

None.

None.
void CRC_PolynomialSizeSelect ( uint32_t CRC_PolSize)
Selects the polynomial size.

CRC_PolSize : Specifies the polynomial size. This
parameter can be:

CRC_PolSize_7 :

CRC_PolSize_8 :

CRC_PolSize_16 :
calculation

CRC_PolSize_32 :
calculation

None.

None.
void CRC_ReverseInputDataSelect ( uint32_t
CRC_ReverseInputData)
Selects the reverse operation to be performed on input data.
DocID023800 Rev 1
7-bit polynomial for CRC calculation
8-bit polynomial for CRC calculation
16-bit polynomial for CRC
32-bit polynomial for CRC
UM1581