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STMPE1601 数据表(PDF) 47 Page - STMicroelectronics

部件名 STMPE1601
功能描述  16-bit enhanced port expander with keypad and PWM controller Xpander Logic
PDF  58 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STMPE1601 数据表(HTML) 47 Page - STMicroelectronics

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STMPE1601
Data registers
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13
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.
KPC_DATA_BYTE0
Keypad data byte 0
Address:
0x68
Type:
R
Buffer:
Reset:
0xF8
Description:
Keypad data register.
7
6
5
432
10
UP/DOWN
R3R2R1R0C2C1C0
R
R
RRR
RR
R
1
1
1
110
00
[7] UP/DOWN:
0: key-down
1: key-up
[6:3] R[3:0]
Row number of key 1 (valid range: 0-7)
0x1111: No Key
[2:0] C[2:0}:
Column number of key 1 (valid range: 0-7)



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