Hitachi F-ZTAT H8/3039 Series Hardware Manual page 161

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 7
—
Initial value 1
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.
150
6 5
— —
1 1
— —
Reserved bits
PCR is set to 1, the input pull-up transistor is turned on.
0
4 3
— P5 PCR P5 PCR
3 2
1 0
— R/W R/W
Port 5 input pull-up control 3 to 0
These bits control input pull-up
transistors built into port 5
2 1
P5 PCR P5 PCR
1 0
0 0
R/W R/W
0
0