Renesas H8S/2437 Hardware Manual page 251

• PC0/SCL2
The pin function is switched as shown below according to the combination of the ICE bit in
ICCRA of the IIC3_2 and the PC0DDR bit. When this pin is used as the PC0 output pin, the
output format is NMOS push-pull output. The output format for SCL2 is NMOS open-drain
output, and direct bus drive is possible.
ICE
PC0DDR
Pin function PC0 input pin
0
0
PC0 output pin
1
Rev. 1.00, 09/03, page 213 of 704
1

SCL2 I/O pin