HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 812

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

P2DR—Port 2 Data Register
P3DDR—Port 3 Data Direction Register
P4DDR—Port 4 Data Direction Register
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
P3 DDR
P4 DDR
R/W
P2
7
7
W
W
7
0
7
0
7
0
7
P3 DDR
P4 DDR
R/W
P2
6
6
W
W
6
0
6
0
6
0
6
P3 DDR
P4 DDR
R/W
P2
5
5
W
W
5
0
5
0
5
0
5
Port 3 input/output select
Port 4 input/output select
0 Generic input pin
1 Generic output pin
0 Generic input pin
1 Generic output pin
Data for port 2 pins
P3 DDR
P4 DDR
805
R/W
P2
4
4
W
W
4
0
4
0
4
0
4
P3 DDR
P4 DDR
R/W
P2
3
3
W
W
3
0
3
0
3
0
3
P3 DDR
P4 DDR
H'C3
H'C4
H'C5
R/W
P2
2
2
W
W
2
0
2
0
2
0
2
P3 DDR
P4 DDR
R/W
P2
1
1
W
W
1
0
1
0
1
0
1
P3 DDR
P4 DDR
R/W
P2
0
0
W
W
0
0
0
0
0
0
Port 2
Port 3
Port 4
0