HD643303x Hitachi, HD643303x Datasheet - Page 534

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

P8DDR—Port 8 Data Direction Register
P7DR—Port 7 Data Register
P8DR—Port 8 Data Register
Bit
Initial value
Read/Write
Note:
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
*
Determined by pins P7 to P7 .
P7
—
R
7
*
7
—
—
—
—
7
1
7
1
P7
—
R
6
*
7
6
—
—
—
—
6
1
6
1
0
P7
—
R
5
*
5
—
—
—
—
5
1
5
1
Data for port 7 pins
519
P8 DDR
P7
—
R
4
R/W
*
4
4
W
—
4
0
4
0
P8 DDR
P7
—
R
3
Port 8 input/output select
R/W
P8
*
3
0 Generic input
1 Generic output
3
W
3
0
3
0
3
H'CD
H'CE
H'CF
P8 DDR
P7
Data for port 8 pins
—
R
2
R/W
P8
*
2
2
W
2
0
2
0
2
P8 DDR
P7
—
R
1
R/W
P8
*
1
1
W
1
0
1
0
1
P8 DDR
P7
—
R
Port 8
Port 7
Port 8
0
R/W
P8
*
0
0
W
0
0
0
0
0