NEXCOM NDiS 163 - Manual (Page 58)

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Appendix B: GPI/O Programming Guide
NDiS 163 User Manual
a
PPendix
B: gPi/o P
rogramming
g
uide
This appendix provides definitions for the GPI/O pins in NDiS 163. 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.
Command Format Define
Command Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
GPIO mapping GP I 3 GP I 2 GP I 1 GP I 0 GPO 3 GPO 2 GPO 1 GPO 0
Connector Pin Define
1 2 3 4 5 6 7 8 9 10
GPO 0 GPO 1 GPO 2 GPO 3 GP I 0 GP I 1 GP I 2 GP I 3
5V GND O 0 O 1 O 2 O 3 I 0 I 1 I 2 I 3
OUTPUT INPUT
Test Method
The steps below will guide you in verifying the GPIO port.
Step 1
Short pins 3-7, 4-8, 5-9 and 6-10 of the CN2 connector.
Step 2
Boot the system in DOS operating environment.
Run the debug utility in C:\ then enter
-o 801 F3
-i 801
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