Hitachi H8S/2646 Hardware Manual page 1009

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