Renesas H8S/2633 Series Hardware Manual page 564

Pin Selection Method and Pin Functions
PG1/CS3/ The pin function is switched as shown below according to the operating mode and
IRQ7
bits OES and PG1DDR in BCRL.
Operating
Mode
PG1DDR
Pin function
PG0/IRQ6 The pin function is switched as shown below according to the operating mode and
bits RMTS2 to RMTS0 in BCRH.
Operating
Mode
PG0DDR
Pin function
510
Modes 4 to 6
0 1
CS3
PG1
input pin output pin
Modes 4 to 6
0 1
PG0 PG0
input pin output pin
Mode 7
0
PG1
input pin
IRQ7 input
Mode 7
0
PG0
input pin
IRQ6 input
1
PG1
output pin
1
PG0
output pin