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Appendix b: gpi/o programming guide – NEXCOM NISE 90 User Manual

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Copyright © 2013 NEXCOM International Co., Ltd. All Rights Reserved.

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NISE 90 User Manual

Appendix B: GPI/O Programming Guide

Appendix B: GPI/O Programming Guide

Digital I/O (Digital Input/Output) pins are provided for custom system design.
This appendix provides definitions and its default setting for the Digital I/O
pins in the NISE 90. The pin definition is shown in the following table:

PIN

Description

PIN

Description

1

GPO21

2

GPO24

3

GPO27

4

+5V

5

GND

6

GPO20

7

GPO23

8

GPO26

9

+5V

10

GND

11

GPO22

12

GPO25

13

GPO28

14

GPO29

15

N/A

16

GPI61

17

GPI64

18

GPI67

19

+5V

20

GND

21

GPI60

22

GPI63

23

GPI66

24

+5V

25

GND

26

GPI62

27

GPI65

28

GPI68

29

GPI69

30

N/A

IO base address : A00h

GPO20 Read/Write GPIO data by I/O port A04h(Bit0)
GPO21 Read/Write GPIO data by I/O port A04h(Bit1)
GPO22 Read/Write GPIO data by I/O port A04h(Bit2)
GPO23 Read/Write GPIO data by I/O port A04h(Bit3)
GPO24 Read/Write GPIO data by I/O port A04h(Bit4)
GPO25 Read/Write GPIO data by I/O port A04h(Bit5)
GPO26 Read/Write GPIO data by I/O port A04h(Bit6)
GPO27 Read/Write GPIO data by I/O port A04h(Bit7)
GPO28 Read/Write GPIO data by I/O port A01h(Bit4)
GPO29 Read/Write GPIO data by I/O port A01h(Bit3)

GPI60 Read/Write GPIO data by I/O port A05h(Bit0)
GPI61 Read/Write GPIO data by I/O port A05h(Bit1)
GPI62 Read/Write GPIO data by I/O port A05h(Bit2)
GPI63 Read/Write GPIO data by I/O port A05h(Bit3)
GPI64 Read/Write GPIO data by I/O port A05h(Bit4)
GPI65 Read/Write GPIO data by I/O port A05h(Bit5)
GPI66 Read/Write GPIO data by I/O port A05h(Bit6)
GPI67 Read/Write GPIO data by I/O port A05h(Bit7)
GPI68 Read/Write GPIO data by I/O port A01h(Bit6)
GPI69 Read/Write GPIO data by I/O port A01h(Bit5)