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Chapter 7
I/O Port
Port 3 Pull-up Resistor Control Register (P3PLUP: 0x03F43)
bp
Bit name
At reset
Access
bp
7-0
Port 4 Pull-up Resistor Control Register (P4PLUP: 0x03F44)
bp
Bit name
At reset
Access
bp
7-0
Port 5 Pull-up Resistor Control Register (P5PLUP: 0x03F45)
bp
Bit name
At reset
Access
bp
7-0
VII - 16
Control Registers
7
6
0
0
R/W
R/W
Bit name
Pull-up resistor selection
P3PLU7-0
0: Not added
1: Added
7
6
0
0
R/W
R/W
Bit name
Pull-up resistor selection
P4PLU7-0
0: Not added
1: Added
7
6
0
0
R/W
R/W
Bit name
Pull-up resistor selection
P5PLU7-0
0: Not added
1: Added
5
4
P3PLU7-0
0
0
R/W
R/W
R/W
Description
5
4
P4PLU7-0
0
0
R/W
R/W
R/W
Description
5
4
P5PLU7-0
0
0
R/W
R/W
R/W
Description
3
2
1
0
0
0
R/W
R/W
3
2
1
0
0
0
R/W
R/W
3
2
1
0
0
0
R/W
R/W
0
0
R/W
0
0
R/W
0
0
R/W
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