CRC Generator Control

Address

Register Name

Register Write

Register Read

Default

Description

0x40001600

CRC_CFG

(4) FINAL_CRC_XOR

(4) FINAL_CRC_XOR

0x0

Selects the final CRC XOR mode

(3) FINAL_CRC_REVERSE

(3) FINAL_CRC_REVERSE

0x0

Selects the final CRC reversal mode

(2) BIT_ORDER

(2) BIT_ORDER

0x0

Selects the bit order for bytes added to the CRC

(1) CRC_TYPE

(1) CRC_TYPE

0x0

Selects the CRC type

(0) BYTE_ORDER

(0) BYTE_ORDER

0x0

Selects the endianness for bytes added to the CRC

0x40001604

CRC_VALUE

(31:0) CURRENT_CRC

(31:0) CURRENT_CRC

0xFFFF

CRC generator value: Write 0xFFFFFFF (32) or 0xFFFF (CCITT) to initialize the CRC, read provides the current CRC value.

0x40001608

CRC_ADD_1

(0) CRC_ADD_1

-

N/A

Add 1 bit to the CRC calculation

0x4000160C

CRC_ADD_8

(7:0) CRC_ADD_8

-

N/A

Add 1 byte (8 bits) to the CRC calculation

0x40001610

CRC_ADD_16

(15:0) CRC_ADD_16

-

N/A

Add 1 half-word (16 bits) to the CRC calculation

0x40001614

CRC_ADD_24

(23:0) CRC_ADD_24

-

N/A

Add 3 bytes (24 bits) to the CRC calculation

0x40001618

CRC_ADD_32

(31:0) CRC_ADD_32

-

N/A

Add 1 word (32 bits) to the CRC calculation

0x4000161C

CRC_FINAL

-

(31:0) FINAL_CRC

0x0

CRC generator final value: After XOR for CCITT or byte reversal for CRC-32

0x400016FC

CRC_ID_NUM

-

(15:8) CRC_MAJOR_REVISION

0x1

CRC Major Revision number

-

(7:0) CRC_MINOR_REVISION

0x0

CRC Minor Revision number