Datasheet

Section 9 I/O Ports
Rev. 1.50 Sep. 18, 2007 Page 142 of 584
REJ09B0240-0150
• P56/SDA pin
Register ICCR1 PCR5
Bit Name ICE PCR56 Pin Function
Setting Value 0 0 P56 input pin
1 P56 output pin
1 X SDA I/O pin
[Legend] X: Don't care.
SDA performs the NMOS open-drain output, that enables a direct bus drive.
• P55/WKP5 pin
Register PMR5 PCR5
Bit Name WKP5 PCR55 Pin Function
Setting Value 0 0 P55 input pin
1 P55 output pin
1 X WKP5 input pin
[Legend] X: Don't care.
• P54/WKP4 pin
Register PMR5 PCR5
Bit Name WKP4 PCR54 Pin Function
Setting Value 0 0 P54 input pin
1 P54 output pin
1 X WKP4 input pin
[Legend] X: Don't care.