HD6432646 Hitachi, HD6432646 Datasheet - Page 1011

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

P1DDR—Port 1 Data Direction Register
P2DDR—Port 2 Data Direction Register
P3DDR—Port 3 Data Direction Register
P5DDR—Port 5 Data Direction Register
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
P17DDR
P27DDR
P37DDR
Undefined
—
—
W
W
W
7
0
7
0
7
0
7
P16DDR
P26DDR
P36DDR
Undefined
—
—
W
W
W
6
0
Specify input or output for each of the pins in port 1
6
0
Specify input or output for each of the pins in port 2
6
0
Specify input or output for each of the pins in port 3
6
P15DDR
P25DDR
P35DDR
Undefined
W
W
W
—
—
5
0
5
0
5
0
5
P14DDR
P24DDR
P34DDR
Undefined
—
—
W
W
W
4
0
4
0
4
0
4
P13DDR
P23DDR
P33DDR
Undefined
H'FE30
H'FE31
H'FE32
H'FE34
W
W
W
—
—
3
0
3
0
3
0
3
P12DDR
P22DDR
P32DDR
P52DDR
Specify input or output for
each of the pins in port 5.
W
W
W
W
2
0
2
0
2
0
2
0
P11DDR
P21DDR
P31DDR
P51DDR
W
W
W
W
1
0
1
0
1
0
1
0
P10DDR
P20DDR
P30DDR
P50DDR
W
W
W
W
0
0
0
0
0
0
0
0
Port
Port
Port
Port
977