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STMPE1801 Datasheet(PDF) 48 Page - STMicroelectronics

No. de pieza STMPE1801
Descripción Electrónicos  Xpander Logic™ 18-bit enhanced port expander with keypad controller
PDF  60 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE1801 Datasheet(HTML) 48 Page - STMicroelectronics

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Keypad controller
STMPE1801
48/60
Doc ID 17884 Rev 3
KPC_DATA_BYTE2
Keypad data byte 2
Address:
3C
Type:
R
Reset:
0xF8
Description:
Keypad data register.
KPC_DATA_BYTE3
Keypad data byte 3
Address:
3D
Type:
R
Reset:
0xFF
Description:
Keypad data register.
76
5
4
3
2
1
0
UP/DOWN
C3
C2
C1
C0
R2
R1
R0
RR
R
R
R
R
R
R
11
1
1
1
0
0
0
[7] UP/DOWN:
0: key-down
1: key-up
[6:3] C[3:0]: Column number of key 3 (valid range: 0000-1001)
0x1111: No key
[2:0] R[2:0]: Row number of key 3 (valid range: 000-111)
76
5
4
3
2
1
0
SF7
SF6
SF5
SF4
SF3
SF2
SF1
SF0
RR
R
R
R
R
R
R
11
1
1
1
1
1
1
[7:0] SF[7:0]:
0: key-down
1: key-up



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