Abov A96G174 - Register Map; Table 7. Port Register Map

6. I/O ports A96G174/A96S174 User’s manual
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6.1.7 Register Map
Table 7. Port Register Map
Name
Address
Direction
Default
Description
P0
80H
R/W
00H
P0 Data Register
P0IO
A1H
R/W
00H
P0 Direction Register
P0PU
ACH
R/W
00H
P0 Pull-up Resistor Selection Register
P0OD
91H
R/W
00H
P0 Open-drain Selection Register
P0DB
DEH
R/W
00H
P0 De-bounce Enable Register
P0FSRH
D3H
R/W
00H
P0 Function Selection High Register
P0FSRL
D2H
R/W
00H
P0 Function Selection Low Register
P1
88H
R/W
00H
P1 Data Register
P1IO
B1H
R/W
00H
P1 Direction Register
P1PU
ADH
R/W
00H
P1 Pull-up Resistor Selection Register
P1OD
92H
R/W
00H
P1 Open-drain Selection Register
P1DB
DFH
R/W
00H
P1/P5Debounce Enable Register
P1FSRH
D5H
R/W
00H
P1 Function Selection High Register
P1FSRL
D4H
R/W
00H
P1 Function Selection Low Register
PCI1
94H
R/W
00H
Pin Change Interrupt Register
P2
90H
R/W
00H
P2 Data Register
P2IO
B9H
R/W
00H
P2 Direction Register
P2PU
AEH
R/W
00H
P2 Pull-up Resistor Selection Register
P2OD
93H
R/W
00H
P2 Open-drain Selection Register
P2FSR
D6H
R/W
00H
P2 Function Selection Register