MT6253_Extended_QWERTY_Design_...

MT6253_Extended_QWERTY_Design_Notice_V1-1T A I MED

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MT6253 Extended QWERTY r o f e s a e l Design_Notice_V1Design_Notice_V1 -1 e R l

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T A I D E M Revision History X C W _ r e i Ha
Revision
V1

f n o C K E
Author
Hank Chang Hank Chang

Date

Description

2010/03/25

1ST version release

V1-1

2010/03/31

1. Add support branch information 2. In [notice-4], need to patch MAUI_02360562 3. Add Trouble Shooting

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2010/3/31 1

r o f e s a e

Copyright MediaTek Inc. All rights reserved.

Principle of MT6253 Extended QWERTY
Original MT6253 chip capability, support up to 6ROWs x 7COLs + PWRKEY = 43 keys
COL0 ROW0 ROW1 ROW2 ROW3 ROW4 ROW5 GND GP