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B: gpi/o p, Ppendix, Rogramming – NEXCOM EBC 353 User Manual

Page 62: Uide

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EBC 353 User Manual

Appendix B: GPI/O Programming Guide

a

PPendIx

B: gPI/o P

rogrammIng

g

uIde

EBC 353 GPIO

EBC353 Watch Dog Function Configuration Sequence Description:

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