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6.15 CRC Controller (CRC)
6.15.1 Overview
The Cyclic Redundancy Check (CRC) generator can perform CRC calculation with programmable
polynomial settings.
6.15.2 Features
Supports four common polynomials CRC-CCITT, CRC-8, CRC-16, and CRC-32
CRC-CCITT: X
CRC-8: X
8
+ X
16
CRC-16: X
32
CRC-32: X
Programmable seed value
Supports programmable order reverse setting for input data and CRC checksum
Supports programmable 1's complement setting for input data and CRC checksum
Supports 8/16/32-bit of data width
8-bit write mode: 1-AHB clock cycle operation
16-bit write mode: 2-AHB clock cycle operation
32-bit write mode: 4-AHB clock cycle operation
Supports using PDMA to write data to perform CRC operation
Sep 9, 2019
ISD94100 Series Technical Reference Manual
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