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HD6433044 Datasheet, PDF (817/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer
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PADR—Port A Data Register
H'D3
Port A
Bit
Initial value
Read/Write
7
PA 7
0
R/W
6
PA 6
0
R/W
5
PA 5
0
R/W
4
PA 4
0
R/W
3
PA 3
0
R/W
2
PA 2
0
R/W
Data for port A pins
1
PA 1
0
R/W
0
PA 0
0
R/W
PBDDR—Port B Data Direction Register
H'D4
Port B
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
PB7 DDR PB6 DDR PB5 DDR PB4 DDR PB3 DDR PB2 DDR PB1 DDR PB0 DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Port B input/output select
0 Generic input
1 Generic output
PBDR—Port B Data Register
H'D6
Port B
Bit
Initial value
Read/Write
7
PB 7
0
R/W
6
PB 6
0
R/W
5
PB 5
0
R/W
4
PB 4
0
R/W
3
PB 3
0
R/W
2
PB 2
0
R/W
Data for port B pins
1
PB 1
0
R/W
0
PB 0
0
R/W
810
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