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
b3P0A3
b2P0A2
b1P0A1
b0P0A0
b3P0B3
b2P0B2
b1P0B1
b0P0B0
b3P0C3
b2P0C2
b1P0C1
b0P0C0
b3P0D3
b2P0D2
b1P0D1
b0P0D0
b3P1A3
b2P1A2
b1P1A1
b0P1A0
b3P1B3
b2P1B2
b1P1B1
b0P1B0
b3P1C3
b2P1C2
b1P1C1
b0P1C0
Port0A
Port0B
Port0C
Port0D
Port1A
Port1B
Port1C
P0A3
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)