參數(shù)資料
型號： STMPE2401TBR
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 24 I/O, PIA-GENERAL PURPOSE, PBGA36
封裝： LEAD FREE, TFBGA-36
文件頁數(shù)： 37/55頁
文件大?。?/td> 959K
代理商： STMPE2401TBR
Keypad controller
STMPE2401
42/55
13.2
KPC_col register
13.3
KPC_row_msb register
Table 38. KPC_col Register
Bit
76
5
4
3
210
Name
Input Column 0 ~ 7
Read/Write
WW
W
WWWW
Reset Value
00
0
000
Bit
Name
Description
7
Input Column 7
‘1’ to turn on scanning of column 7; ‘0’ to turn off
6
Input Column 6
‘1’ to turn on scanning of column 6; ‘0’ to turn off
5
Input Column 5
‘1’ to turn on scanning of column 5; ‘0’ to turn off
4
Input Column 4
‘1’ to turn on scanning of column 4; ‘0’ to turn off
3
Input Column 3
‘1’ to turn on scanning of column 3; ‘0’ to turn off
2
Input Column 2
‘1’ to turn on scanning of column 2; ‘0’ to turn off
1
Input Column 1
‘1’ to turn on scanning of column 1; ‘0’ to turn off
0
Input Column 0
‘1’ to turn on scanning of column 0; ‘0’ to turn off
Table 39. KPC_row_msb register
Bit
7
6
5
4
32
10
Name
ScanPW1
ScanPW0
-
Output Row 8 ~ 11
Read/Write
-
WW
Reset Value
1
0
00
Bit
Name
Description
7
ScanPW1
Pulse width setting of keypad scanning. Use “11” at all
times
6
ScanPW0
5-
-
4-
-
3
Output Row 11
‘1’ to turn on scanning of row 11; ‘0’ to turn off
2
Output Row 10
‘1’ to turn on scanning of row 10; ‘0’ to turn off
1
Output Row 9
‘1’ to turn on scanning of row 9; ‘0’ to turn off
0
Output Row 8
‘1’ to turn on scanning of row 8; ‘0’ to turn off
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