QT1100A-ISG データシートの表示（PDF） - Quantum Research Group

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QT1100A-ISG

10 KEY QTOUCH™ SENSOR IC

Quantum Research Group 

4.16 HCRC - Host CRC

Byte 35

HCRC is an 8-bit CRC code calculated according to CCITT-8

(see page 41) appended to the end of the Setups table. This

code must be sent with each serial transmission of the

Setups block.

An error in the CRC will manifest itself as an error code , and

if this occurs, factory default parameters will be automatically

loaded to provide a ‘safe’, defined recovery .

The CRC can also be replaced with a 0xD6 which will inhibit

CRC checking. Care should be taken so that the CRC is

never actually 0xD6 (if CRC checking is desired). This can

be done by altering any unused Setup parameter.

LQ

30

Copyright © 2003-2005 QRG Ltd

QT1100A-ISG R3.02/1105

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