NEC PD17062 User Manual
Page 37

37
µ
PD17062
Fig. 5-6 Correspondence Between Port Registers and Ports (Pins)
70H
P0A
71H
P0B
72H
P0C
73H
P0D
70H
P1A
71H
P1B
72H
P1C
73H
Fixed at 0
b
3
P0A3
b
2
P0A2
b
1
P0A1
b
0
P0A0
b
3
P0B3
b
2
P0B2
b
1
P0B1
b
0
P0B0
b
3
P0C3
b
2
P0C2
b
1
P0C1
b
0
P0C0
b
3
P0D3
b
2
P0D2
b
1
P0D1
b
0
P0D0
b
3
P1A3
b
2
P1A2
b
1
P1A1
b
0
P1A0
b
3
P1B3
b
2
P1B2
b
1
P1B1
b
0
P1B0
b
3
P1C3
b
2
P1C2
b
1
P1C1
b
0
P1C0
Port0A
Port0B
Port0C
Port0D
Port1A
Port1B
Port1C
P0A
3
P0A
2
P0A
1
P0A
0
P0B
3
P0B
2
P0B
1
P0B
0
P0C
3
P0C
2
P0C
1
P0C
0
P0D
3
P0D
2
P0D
1
P0D
0
P1A
3
P1A
2
P1A
1
P1A
0
P1B
3
P1B
2
P1B
1
P1B
0
P1C
3
P1C
2
P1C
1
–
General-purpose port data register
Address
Bank Symbol
Bit
symbol
Corresponding
port
Pin
Symbol
Input or output
BANK0
BANK2
BANK1
Input and output
(group I/O)
Output
Input
Input and output
(bit I/O)
Output
Input and output
(bit I/O)
Input and output
(bit I/O)