Datasheet

Section 8 I/O Ports
Rev. 2.00 Aug. 20, 2008 Page 341 of 1198
REJ09B0403-0200
(b) Single-Chip Mode
• PC7, PC6
The pin function is switched as shown below according to the PCnDDR bit.
PCnDDR 0 1
Pin function PCn input pin PCn output pin
[Legend] n = 7, 6
• PC5/SDA4
The pin function is switched as shown below according to the combination of the ICE bit in
ICCR of the IIC_4 and the PC5DDR bit.
ICE 0 1
PC5DDR 0 1 X
Pin function PC5 input pin PC5 output pin SDA4 input/output pin
[Legend] X: Don't care.
• PC4/SCL4
The pin function is switched as shown below according to the combination of the ICE bit in
ICCR of the IIC_4 and the PC4DDR bit.
ICE 0 1
PC4DDR 0 1 X
Pin function PC4 input pin PC4 output pin SCL4 input/output pin
[Legend] X: Don't care.
• PC3/SDA3
The pin function is switched as shown below according to the combination of the ICE bit in
ICCR of the IIC_3 and the PC3DDR bit.
ICE 0 1
PC3DDR 0 1 X
Pin function PC3 input pin PC3 output pin SDA3 input/output pin
[Legend] X: Don't care.