MOS Integrated Circuit Data Sheet
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
b2 P0A2
b
1 P0A1
b
0 P0A0
b
3 P0B3
b2 P0B2
b
1 P0B1
b
0 P0B0
b
3 P0C3
b2 P0C2
b
1 P0C1
b
0 P0C0
b
3 P0D3
b2 P0D2
b
1 P0D1
b
0 P0D0
b
3 P1A3
b2 P1A2
b
1 P1A1
b
0 P1A0
b3 P1B3
b2 P1B2
b
1 P1B1
b
0 P1B0
b3 P1C3
b2 P1C2
b
1 P1C1
b
0 P1C0
Port0A
Port0B
Port0C
Port0D
Port1A
Port1B
Port1C
P0A
3
P0A2
P0A1
P0A0
P0B3
P0B2
P0B1
P0B0
P0C3
P0C2
P0C1
P0C0
P0D3
P0D2
P0D1
P0D0
P1A3
P1A2
P1A1
P1A0
P1B3
P1B2
P1B1
P1B0
P1C3
P1C2
P1C1
–
General-purpose port data register
AddressBank 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)