Table of Contents
Advertisement
Bits P5
output.
P5DR is initialized to H'F0 by a reset and in hardware standby mode. In software standby mode it
retains its previous setting.
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), if the corresponding bit from P5
to P5
P5PCR is initialized to H'F0 by a reset and in hardware standby mode. In software standby mode it
retains its previous setting.
Downloaded from
Elcodis.com
electronic components distributor
to P5
are reserved. They can be written and read, but they cannot be used for port input or
7
4
7
6
—
—
1
1
—
—
Reserved bits
PCR is set to 1, the input pull-up transistor is turned on.
0
5
4
3
2
—
—
P5 PCR
P5 PCR
3
2
1
1
0
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
136
1
0
P5 PCR
P5 PCR
1
0
0
0
R/W
R/W
PCR
3
Advertisement
Table of Contents
