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87
NISE 3500, NISE 3500M User Manual
NISB3500 GPIO
a
PPendix
B: gPi/o P
rogramming
guide
PIN
Description
PIN
Description
1
+5V
2
GND
3
GPO24
4
GPI20
5
GPO25
6
GPI21
7
GPO26
8
GPI22
9
GPO27
10
GPI23
IO base address : 800h
Bit0 : GPI20
Bit1 : GP I21
Bit2 : GP I22
Bit3 : GP I23
Bit4 : GPO24
Bit5 : GPO25
Bit6 : GPO26
Bit7 : GPO27
1. Read/Write GPIO data by I/O port 801h