STMPE2403 Datasheet, PDF (53/63 Pages) STMicroelectronics – 24-bit Enhanced port expander with Keypad and PWM controller Xpander logic

STMPE2403
Keypad controller
KPC_data_byte3 Register
Bit
7
6
5
4
3
2
1
0
Name
SF7
SF6
SF5
SF4
SF3
SF2
SF1
SF0
Read/Write R
R
R
R
R
R
R
R
Reset
1
1
1
1
1
1
1
1
Value
Table 54. Bit description
Bit
Name
7
SF7
6
SF6
5
SF5
4
SF4
3
SF3
2
SF2
1
SF1
0
SF0
KPC_data_byte4 Register
Bit
7
6
Name
-
-
Read/Write R
R
Reset
0
0
Value
Description
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
5
4
3
2
1
0
-
-
Dedicated Key 0 ~ 3
R
R
R
R
R
R
0
0
1
1
1
1
Table 55. Bit description
Bit
Name
7
-
6
-
5
-
4
-
3
Dedicated Key 3
2
Dedicated Key 2
1
Dedicated Key 1
0
Dedicated Key 0
Description
-
-
-
-
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
‘0’ for key-down, ‘1’ for key-up
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