Nexcom NISE 104 - Appendix A: GPI;O Programming Guide

Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.
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NISE 104 User Manual
Appendix A: GPI/O Programming Guide
aPPendIx a: GPI/o ProGrammInG GuIde
Digital I/O (Digital Input/Output) pins are provided for custom system design.
This appendix provides definitions and its default setting for the Digital I/O
pins in the NISE 104. The pin definition is shown is the following table:
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 : A00h
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 A04h