Datasheet

Section 8 I/O Ports
Rev. 2.00 Sep. 28, 2009 Page 237 of 870
REJ09B0429-0200
• 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.
• PC2/SCL3
The pin function is switched as shown below according to the combination of the ICE bit in
ICCR of the IIC_3 and the PC2DDR bit.
ICE 0 1
PC2DDR 0 1 X
Pin function PC2 input pin PC2 output pin SCL3 input/output pin
[Legend] X: Don't care.
• PC1/SDA2
The pin function is switched as shown below according to the combination of the ICE bit in
ICCR of the IIC_2 and the PC1DDR bit.
ICE 0 1
PC1DDR 0 1 X
Pin function PC1 input pin PC1 output pin SDA2 input/output pin
[Legend] X: Don't care.