Hitachi H8/329 Series Hardware Manual page 309

P3DR—Port 3 Data Register
Bit 7
P3
7
Initial value 0
Read/Write R/W
P4DDR—Port 4 Data Direction Register
Bit 7
P4 DDR P4
7
Initial value 0
Read/Write W
P4DR—Port 4 Data Register
Bit 7
P4
7
Initial value 0
Read/Write R/W
Note: * Determined by the level at pin P4
P5DDR—Port 5 Data Direction Register
Bit 7
—
Initial value 1
Read/Write
—
6 5 4
P3 P3 P3
6 5
0 0 0
R/W R/W R/W
6 5 4
DDR P4 DDR P4 DDR P4
6 5 4
0 0 0
W W W
Port 4 Input/Output Control
0 Input port
1 Output port
6 5 4
P4 P4 P4
6 5
* 0 0
R/W R/W R/W
.
6
6 5 4
— — —
1 1 1
— — —
H'FFB6
3 2
P3 P3
4 3 2
0 0
R/W R/W
H'FFB5
3 2
DDR P4 DDR P4
3 2
0 0
W W
H'FFB7
3 2
P4 P4
4 3 2
0 0
R/W R/W
H'FFB8
3 2
— P5 DDR P5
2
1 0
W
—
Port 5 Input/Output Control
0 Input port
1 Output port
300
Port 3
1 0
P3 P3
1 0
0 0
R/W R/W
Port 4
1 0
DDR P4 DDR
1 0
0 0
W W
Port 4
1 0
P4 P4
1 0
0 0
R/W R/W
Port 5
1 0
DDR P5 DDR
1 0
0 0
W W