Hitachi H8/3062 Hardware Manual page 211

Table 7.15 Port 8 Pin Functions in Modes 6 and 7
Pin
P8
4
P8 /IRQ /ADTRG
3 3
P8 /IRQ
2 2
P8 /IRQ
1 1
P8 /IRQ
0 0
190
Pin Functions and Selection Method
Bit P8 DDR selects the pin function as follows.
4
P8 DDR
4
Pin function
Bit P8 DDR selects the pin function as follows.
3
P8 DDR
3
Pin function
Bit P8 DDR selects the pin function as follows.
2
P8 DDR
2
Pin function
Bit P8 DDR selects the pin function as follows.
1
P8 DDR
1
Pin function
Bit P8 DDR select the pin function as follows.
0
P8 DDR
0
Pin function
0
P8 input
4
0
P8 input
3
IRQ
input
3
ADTRG input
0
P8 input
2
IRQ
input
2
0
P8 input
1
IRQ
input
1
0
P8 input
0
IRQ
input
0
1
P8 output
4
1
P8 output
3
1
P8 output
2
1
P8 output
1
1
P8 output
0