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Port 5 Input Pull-Up Control Register (P5PCR): P5PCR is an 8-bit readable/writable register
that controls the MOS input pull-up transistors in port 5.
Bit
—
Initial value
Read/Write
—
When a P5DDR bit is cleared to 0 (selecting generic input) in modes 5 to 7, if the corresponding
bit from P5
PCR to P5
3
P5PCR is initialized to H'F0 by a reset and in hardware standby mode. In software standby mode
it retains its previous setting.
146
7
6
—
1
1
—
Reserved bits
PCR is set to 1, the input pull-up transistor is turned on.
0
5
4
—
—
P5 PCR
1
1
—
—
R/W
3
2
P5 PCR
P5 PCR
3
2
0
0
R/W
Port 5 input pull-up control 3 to 0
These bits control input pull-up
transistors built into port 5
1
0
P5 PCR
1
0
0
0
R/W
R/W
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