NEXCOM NDiS 166 - Manual (Page 98)

Copyright © 2011 NEXCOM International Co., Ltd. All Rights Reserved. 85 NDiS 166 User Manual
Appendix B: GPI/O Programming Guide
Appendix B: GPI/O Programming Guide
This appendix provides definitions for the GPI/O pins in NDiS 166. GPI/O
(General Purpose Input/Output) pins are provided for custom system
design. The pin programmed as input mode (GPI) or output mode (GPO)
depends on the configuration.
GPIO Configuration
Address: A02
DATA Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
GPIO mapping GPI4 GPI3 GPI2 GPI1 X X X GPO4
Address: A00
DATA Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 10
GPIO
mapping
X X X GPO3 X GPO2 GPO1 X GP I 3
Example:
Output data (1010) through GPO
Setp1: At Debug mode
Setp2: Set Data at address A02 and A00
C:\debug
-o A02 F1
-o A00 ED
Read data from GPI
Setp1: At Debug mode
Setp2: Read Data at A02 (Input data is 1010)
C:\debug
-i A02
-AF