HD64F2168 Datasheet, PDF (277/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

• PC5/SDA4
The pin function is switched as shown below according to the combination of the ICE bit of
the IIC_4 ICCR and the PC5DDR.
ICE
PC5DDR
Pin Function
0
0
1
PC5 input pin
PC5 output pin
1

SDA4 input/output pin
• PC4/SCL4
The pin function is switched as shown below according to the combination of the ICE bit of
the IIC_4 ICCR and the PC4DDR.
ICE
PC4DDR
Pin Function
0
0
1
PC4 input pin
PC4 output pin
1

SCL4 input/output pin
• PC3/SDA3
The pin function is switched as shown below according to the combination of the ICE bit of
the IIC_3 ICCR and the PC3DDR.
ICE
PC3DDR
Pin Function
0
0
1
PC3 input pin
PC3 output pin
1

SDA3 input/output pin
• PC2/SCL3
The pin function is switched as shown below according to the combination of the ICE bit of
the IIC_3 ICCR and the PC2DDR.
ICE
PC2DDR
Pin Function
0
PC2 input pin
0
1
PC2 output pin
1

SCL3 input/output pin
• PC1/SDA2
The pin function is switched as shown below according to the combination of the ICE bit of
the IIC_2 ICCR and the PC1DDR.
ICE
PC1DDR
Pin Function
0
PC1 input pin
0
1
PC1 output pin
1

SDA2 input/output pin
Rev. 3.00, 03/04, page 237 of 830