Datasheet

Section 9 I/O Ports
Rev.5.00 Nov. 02, 2005 Page 126 of 500
REJ09B0027-0500
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/ADTRG pin
Register PMR5 PCR5
Bit Name WKP5 PCR55 Pin Function
Setting Value 0 0 P55 input pin
1 P55 output pin
1 X WKP5/ADTRG 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.