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STMPE1601 Datasheet(PDF) 46 Page - STMicroelectronics

Part # STMPE1601
Description  16-bit enhanced port expander with keypad and PWM controller Xpander Logic
PDF  61 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE1601 Datasheet(HTML) 46 Page - STMicroelectronics

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Keypad controller
STMPE1601
46/61
KPC_COL
Keypad colum register
Address:
0x60
Type:
R/W
Reset:
0x00
Description:
Keypad column scanning
7
6
5
432
10
Input Column 0 ~ 7
RW
RW
RW
RW
RW
RW
RW
RW
0
0
0
000
00
[7] INPUT COLUMN:
1: turn on scanning of column 7
0: turn off
[6] INPUT COLUMN:
1: turn on scanning of column 6
0: turn off
[5] INPUT COLUMN:
1: turn on scanning of column 5
0: turn off
[4] INPUT COLUMN:
1: turn on scanning of column 4
0: turn off
[3] INPUT COLUMN:
1: turn on scanning of column 3
0: turn off
[2] INPUT COLUMN:
1: turn on scanning of column 2
0: turn off
[1] INPUT COLUMN:
1: turn on scanning of column 1
0: turn off
[0] INPUT COLUMN:
1: turn on scanning of column 0
0: turn off



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