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M16C/62P Group (M16C/62P, M16C/62PT)
Port Control Register
b7
b6
b5
b4
Figure 21.11 PCR Register
R
e
. v
2
3 .
0
S
e
p
0
, 1
2
0
0
4
R
E
J
0
9
B
0
1
8
5
0 -
2
3
0
Z
b3
b2
b1
b0
Symbpl
PCR
Bit Symbol
PCR0
(b7-b1)
page 239
f o
3
6
4
Address
After Reset
03FFh
Bit Name
Port P1 Control Bit
Operation performed when the P1
register is read
0: When the port is set for input,
1: The port latch is read
Nothing is assigned. When write, set to "0".
When read, their contents are "0".
21. Programmable I/O Ports
00h
Function
the input levels of P10 to P17
pins are read. When set for
output, the port latch is read.
regardless of whether the port
is set for input or output.
RW
RW
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