B: gpi/o p, Ppendix, Rogramming – NEXCOM NDiS OPS-M50 User Manual

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NDiS OPS-M50 User Manual

Appendix B: GPI/O Programming Guide

PPendix

B: gPi/o P

rogramming

uide

This appendix provides definitions for the GPI/O pins in NDiS OPS-M50.
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: A06

DATA

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

GPIO mapping

GPO4

GPO3

GPO2

GPO1

GPI4

GPI3

GPI2

GPI1

Example:

Output data (1010) through GPO
Step 1 : At Debug mode
Step 2 : Set Data at address A06

C:\debug
-o A06 50

Read data from GPI
Step 1 : At Debug mode
Step 2 : Read Data at A06 (Input data is 1010)

C:\debug
-i A06
-5F