Datasheet

Table Of Contents
Section 9 I/O Ports
Rev. 2.00 Jul. 04, 2007 Page 169 of 692
REJ09B0309-0200
9.3.4 Pin Functions
The relationship between the register settings and the port functions is shown below.
P42/TXD31/IrTXD/TMOFH pin
Register
Name
PMR4 PFCR SPCR IrCR PCR4
Bit Name TMOFH SC31S SPC31 IrE PCR42
Pin Function
0 P42 input pin 0 x
1 P42 output pin
0 TXD31 output pin
0
1
1
x
IrTXD output pin
0 P42 input pin
0
1
1 P42 output pin
Setting Value
1 x
x x
x TMOFH output pin
[Legend]
x: Don't care
P41/RXD31/IrRXD/TMOFL pin
Register
Name
PMR4 PFCR SCR3_1 IrCR PCR4
Bit Name TMOFL SC31S RE IrE PCR41
Pin Function
0 P41 input pin 0 x
1 P41 output pin
0 RXD31 output pin
0
1
1
x
IrRXD output pin
0 P41 input pin
0
1
1 P41 output pin
Setting Value
1 x
x x
x TMOFL output pin
[Legend]
x: Don't care