Datasheet

Section 9 I/O Ports
Rev. 6.00 Mar. 24, 2006 Page 117 of 412
REJ09B0142-0600
Bit Bit Name
Initial
Value R/W Description
0 TMOW 0 R/W P10/TMOW Pin Function Switch
This bit selects whether pin P10/TMOW is used as P10
or as TMOW.
0: General I/O port
1: TMOW output pin
9.1.2 Port Control Register 1 (PCR1)
PCR1 selects inputs/outputs in bit units for pins to be used as general I/O ports of
port 1.
Bit Bit Name
Initial
Value R/W Description
7
6
5
4
3
2
1
0
PCR17
PCR16
PCR15
PCR14

PCR12
PCR11
PCR10
0
0
0
0

0
0
0
W
W
W
W

W
W
W
When the corresponding pin is designated in PMR1 as
a general I/O pin, setting a PCR1 bit to 1 makes the
corresponding pin an output port, while clearing the bit
to 0 makes the pin an input port.
Bit 3 is a reserved bit.