Appendix b: gpi/o programming guide – NEXCOM NISE 105 User Manual
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NISE 105/105A User Manual
Appendix B: GPI/O Programming Guide
Appendix B: GPI/O Programming Guide
GPI/O (General Purpose Input/Output) pins are provided for custom system design. This appendix provides
definitions and its default setting for the ten GPI/O pins. The pin definition is shown in the following table:
Pin
GPI/O mode PowerOn
Default
Address
Pin
GPI/O mode PowerOn
Default
Address
1
VCC
-
-
2
GND
-
-
3
GPO0
Low
A03h (Bit6)
4
GPI0
High
A03h (Bit1)
5
GPO1
Low
A02h (Bit5)
6
GPI1
High
A05h (Bit5)
7
GPO2
Low
A07h (Bit0)
8
GPI2
High
A05h (Bit4)
9
GPO3
Low
A07h (Bit1)
10
GPI3
High
A00h (Bit1)
Control the GPO 0/1/2/3 level from I/O port A03h bit6/ A02h bit5/ A07h bit0/ A07h bit1.
The bit is Set/Clear indicated output High/Low