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STMPE2403 Fiches technique(PDF) 53 Page - STMicroelectronics

No de pièce STMPE2403
Description  24-bit Enhanced port expander with Keypad and PWM controller Xpander logic
PDF  63 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE2403 Fiches technique(HTML) 53 Page - STMicroelectronics

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STMPE2403
Keypad controller
53/63
KPC_data_byte3 Register
KPC_data_byte4 Register
Bit
7
6
5
432
10
Name
SF7
SF6
SF5
SF4
SF3
SF2
SF1
SF0
Read/Write
R
R
R
RR
RRR
Reset
Value
1
1
1
111
11
Table 54. Bit description
Bit
Name
Description
7
SF7
‘0’ for key-down, ‘1’ for key-up
6
SF6
‘0’ for key-down, ‘1’ for key-up
5
SF5
‘0’ for key-down, ‘1’ for key-up
4
SF4
‘0’ for key-down, ‘1’ for key-up
3
SF3
‘0’ for key-down, ‘1’ for key-up
2
SF2
‘0’ for key-down, ‘1’ for key-up
1
SF1
‘0’ for key-down, ‘1’ for key-up
0
SF0
‘0’ for key-down, ‘1’ for key-up
Bit
7
6
5
432
10
Name
-
-
-
-
Dedicated Key 0 ~ 3
Read/Write
R
R
R
RR
RRR
Reset
Value
0
0
0
011
11
Table 55. Bit description
Bit
Name
Description
7-
-
6-
-
5-
-
4-
-
3
Dedicated Key 3
‘0’ for key-down, ‘1’ for key-up
2
Dedicated Key 2
‘0’ for key-down, ‘1’ for key-up
1
Dedicated Key 1
‘0’ for key-down, ‘1’ for key-up
0
Dedicated Key 0
‘0’ for key-down, ‘1’ for key-up



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