Pin Functions - Hitachi H8S/2199 Hardware Manual

10.4.3

Pin Functions

This section describes the port 2 pin functions and their selection methods.
P27/SYNCI: P27/SYNCI is switched as shown below according to the PCR27 bit in PCR2.
PCR Pin Function
0 P27 input pin
1 P27 output pin
Note: Because the SYNCI always functions, the alternative pin need always be set to the high or
low level regardless of active mode or low power consumption mode.
P26/SCL0: P26/SCL0 is switched as shown below according to the PCR26 bit in PCR2 and the
2
II0CE bit in the I C Bus control register (ICCR0).
II0CE PCR26
0 0
1
1
*
Note: * Don't care
P25/SDA0: P25/SDA0 is switched as shown below according to the PCR25 bit in PCR2 and the
2
II0CE bit in the I C Bus control register (ICCR0).
II0CE PCR25
0 0
1
1 *
Note: * Don't care
P24/SCL1: P24/SCL1 is switched as shown below according to the PCR24 bit in PCR2 and the
2
II1CE bit in the I C Bus control register (ICCR1).
II1CE PCR24
0 0
1
1
*
Note: * Don't care
Pin Function
P26 input pin
P26 output pin
SCL0 I/O pin
Pin Function
P25 input pin
P25 output pin
SDA0 I/O pin
Pin Function
P24 input pin
P24 output pin
SCL1 I/O pin
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