NEXCOM NViS 2280 - Manual (Page 93)

Copyright © 2012 NEXCOM International Co., Ltd. All rights reserved 80 NViS 2280 User Manual
Appendix B: GPI/O Programming Guide
NViS 2280 GPIO
Appendix B: GPI/O Programming Guide
Pin Description Pin Description
1 +5V 2 GND
3 GPO54 4 GPI50
5 GPO55 6 GPI51
7 GPO56 8 GPI52
9 GPO57 10 GPI53
IO base address : 800h
Bit0 : GPI50
Bit1 : GPI51
Bit2 : GPI52
Bit3 : GPI53
Bit4 : GPO54
Bit5 : GPO55
Bit6 : GPO56
Bit7 : GPO57
1. Select GPIO group5 by set I/O port 800h to 5h
2. Read/Write GPIO data by I/O port 802h