Pin Functions - Renesas Hitachi H8S/2194 Series Hardware Manual

11.4.3

Pin Functions

This section describes the port 2 pin functions and their selection methods.
(1) P27/SCK2
P27/SCK2 is switched as shown below according to the PMR27 bit in PMR2, the PCR27 bit
in PCR2, and the SCK2 to SCK0 bits in serial control register 2 (SCR2).
PMR27 PCR27
0 0
1
1
*
Note: Don't care.
*
(2) P26/SO2
P26/SO2 is switched as shown below according to the PMR26 bit in PMR2 and the PCR26
bit in PCR2.
PMR26 PCR26
0 0
1
1
*
Note: Don't care.
*
(3) P25/SI2
P25/SI2 is switched as shown below according to the PMR25 bit in PMR2 and the PCR25 bit
in PCR2.
PMR25 PCR25
0 0
1
1
*
Note: * Don't care.
CKS2 to CKS0 Pin Function
P27 input pin
*
P27 output pin
Other than 111 SCK2 output pin
111 SCK2 input pin
Pin Function
P26 input pin
P26 output pin
SO2 output pin
Pin Function
P25 input pin
P25 output pin
SI2 input pin
Rev. 2.0, 11/00, page 251 of 1037