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STMPE1801 Datasheet(PDF) 47 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) 47 Page - STMicroelectronics

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STMPE1801
Keypad controller
Doc ID 17884 Rev 3
47/60
KPC_DATA_BYTE0
Keypad data byte 0
Address:
3A
Type:
R
Reset:
0xF8
Description:
Keypad data register.
KPC_DATA_BYTE1
Keypad data byte 1
Address:
3B
Type:
R
Reset:
0xF8
Description:
Keypad data register.
76
5
4
3
2
1
0
UP/DWN
C3
C2
C1
C0
R2
R1
R0
RR
R
R
R
R
R
R
11
1
1
1
0
0
0
[7] UP/DWN:
0: key-down
1: key-up
[6:3] C[3:0]:
Column number of key 1 (valid range: 0000-1001)
0x1111: No key
[2:0] R[2:0]:
Row number of key 1 (valid range: 000-111)
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 2 (valid range: 0000-1001)
0x1111: No key
[2:0] Row number of key 2 (valid range: 000-111)



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