Datasheet

Section 9 I/O Ports
Rev. 3.00 Sep. 10, 2007 Page 139 of 528
REJ09B0216-0300
9.2.4 Pin Functions
The correspondence between the register specification and the port functions is shown below.
P24 pin
Register PCR2
Bit Name PCR24 Pin Function
Setting Value 0 P24 input pin
1 P24 output pin
P23 pin
Register PCR2
Bit Name PCR23 Pin Function
Setting Value 0 P23 input pin
1 P23 output pin
P22/TXD pin
Register PMR1 PCR2
Bit Name TXD PCR22 Pin Function
Setting Value 0 0 P22 input pin
1 P22 output pin
1 x TXD output pin
[Legend] x: Don't care.