Hitachi H8/329 Series Hardware Manual page 307

P1DDR—Port 1 Data Direction Register
Bit 7
P1 DDR P1
7
Mode 1
Initial value 1
Read/Write —
Modes 2 and 3
Initial value 0
Read/Write W
P1DR—Port 1 Data Register
Bit 7
P1
7
Initial value 0
Read/Write R/W
6 5
DDR P1 DDR P1 DDR P1
6 5 4
1 1
— — —
0 0
W W W
Port 1 Input/Output Control
0 Input port
1 Output port
6 5
P1 P1 P1
6 5
0 0
R/W R/W R/W
H'FFB0
4 3 2
DDR P1 DDR P1
3 2
1 1 1
— —
0 0 0
W W
H'FFB2
4 3 2
P1 P1
4 3 2
0 0 0
R/W R/W
298
Port 1
1 0
DDR P1 DDR
1 0
1 1
— —
0 0
W W
Port 1
1 0
P1 P1
1 0
0 0
R/W R/W