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Appendix B Internal I/O Registers
P4PCR—Port 4 Input Pull-Up Control Register
Bit
P4
Initial value
Read/Write
P5PCR—Port 5 Input Pull-Up Control Register
Bit
Initial value
Read/Write
Rev. 4.00 Jan 26, 2006 page 814 of 938
REJ09B0276-0400
7
6
5
PCR
P4
PCR
P4
PCR
7
6
5
0
0
0
R/W
R/W
R/W
Port 4 input pull-up control 7 to 0
0
Input pull-up transistor is off
1
Input pull-up transistor is on
Note: Valid when the corresponding P4DDR bit is cleared to 0
(designating generic input).
7
6
5
1
1
1
H'EE03E
4
3
2
P4
PCR
P4
PCR
P4
PCR
4
3
2
0
0
0
R/W
R/W
R/W
H'EE03F
4
3
2
P5
PCR
P5
PCR
3
2
1
0
0
R/W
R/W
Port 5 input pull-up control 3 to 0
Input pull-up transistor is off
0
1
Input pull-up transistor is on
Note: Valid when the corresponding P5DDR bit is
cleared to 0 (designating generic input).
Port 4
1
0
P4
PCR
P4
PCR
1
0
0
0
R/W
R/W
Port 5
1
0
P5
PCR
P5
PCR
1
0
0
0
R/W
R/W
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