STMPE1601 STMicroelectronics, STMPE1601 Datasheet - Page 49

• Manufacturer Part Number: STMPE1601
• Description: 16-bit Enhanced Port Expander With Keypad And Pwm Controller Xpander Logic
• Manufacturer: STMicroelectronics

STMPE1601
13
KPC_DATA_BYTE0
Address:
Type:
Reset:
Description:
UP/DOWN
R
7
1
Data registers
The KPC_DATA register contains three bytes of information. The first two bytes store the key
coordinates and status of any two keys from the normal key matrix, while the third byte store
the status of dedicated keys.
[6:3] R[3:0]
[2:0] C[2:0}:
[7] UP/DOWN:
0x68
R
0xF8
Keypad data register.
0: key-down
1: key-up
Row number of key 1 (valid range: 0-7)
0x1111: No Key
Column number of key 1 (valid range: 0-7)
R3
R
6
1
R2
R
5
1
Keypad data byte 0
R1
R
4
1
R0
R
3
1
C2
R
2
0
C1
R
1
0
Data registers
C0
R
0
0
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