M263 datasheet(332/398 Pages) NUVOTON

Part #	M263

Description	Arm짰 Cortex짰-M 32-bit Microcontroller

PDF	398 Pages

Scroll/Zoom	100%

Manufacturer	NUVOTON [Nuvoton Technology Corporation]

Direct Link	http://www.nuvoton.com

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332 / 398 page

M261/M262/M263

Mar 25, 2020

Page 332 of 398

Rev 1.02

6.32

CRC Controller (CRC)

6.32.1

Overview

The Cyclic Redundancy Check (CRC) generator can perform CRC calculation with four common

polynomials CRC-CCITT, CRC-8, CRC-16, and CRC-32 settings.

6.32.2

Features



Supports four common polynomials CRC-CCITT, CRC-8, CRC-16, and CRC-32

–

CRC-CCITT: X

16 + X12 + X5 + 1

–

CRC-8: X

8 + X2 + X + 1

–

CRC-16: X

16 + X15 + X2 + 1

–

CRC-32: X

32 + X26 + X23 + X22 + X16 + X12 + X11 + X10 + X8 + X7 + X5 + X4 + X2 + X + 1



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

M263 Datasheet(PDF) 332 Page - Nuvoton Technology Corporation

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