Hitachi H8/3152 Hardware Manual page 133

DR Data Register
Bit 7
DR7
Initial value —
Read/Write R/W
Data Register Bit 7
Output data latch of I/O-1
DDR Data Direction Register
Bit 7
DDR7
Initial value 0
Read/Write W
Data Direction Register Bit 7
Selects the input/output direction of I/O-1
0 Input
1 Output
134
6 5
DR6 —
—
R/W
Data Register Bit 6
Output data latch of I/O-2
6 5
DDR6 —
0
W
Data Direction Register Bit 6
Selects the input/output direction of I/O-2
0 Input
1 Output
4 3
— — —
4 3 2
— — —
I/O
2 1 0
— —
I/O
1 0
— —