Copyright © 2013 NEXCOM International Co., Ltd. All Rights Reserved.
51
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)
