PADR—Port A Data Register
H'D3
Port A
PBDDR—Port B Data Direction Register
H'D4
Port B
PBDR—Port B Data Register
H'D6
Port B
Bit
Initial value
Read/Write
0
PA
0
R/W
0
1
PA
0
R/W
1
2
PA
0
R/W
2
3
PA
0
R/W
3
4
PA
0
R/W
4
5
PA
0
R/W
5
6
PA
0
R/W
6
7
PA
0
R/W
7
Data for port A pins
Bit
Initial value
Read/Write
7
PB DDR
0
W
7
6
PB DDR
0
W
6
5
PB DDR
0
W
5
4
PB DDR
0
W
4
3
PB DDR
0
W
3
2
PB DDR
0
W
2
1
PB DDR
0
W
1
0
PB DDR
0
W
0
Port B input/output select
0
Generic input
1
Generic output
Bit
Initial value
Read/Write
0
PB
0
R/W
0
1
PB
0
R/W
1
2
PB
0
R/W
2
3
PB
0
R/W
3
4
PB
0
R/W
4
5
PB
0
R/W
5
6
PB
0
R/W
6
7
PB
0
R/W
7
Data for port B pins
810
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