Appendix a: gpi/o programming guide – NEXCOM APPC 1230T User Manual
Page 122
Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.
106
APPC 1230T/1231T/1235T/1530T/1531T/1730T/1731T/1930T/1931T User Manual
Appendix A: GPI/O Programming Guide
Appendix A: GPI/O Programming Guide
GPI/O (General Purpose Input/Output) pins are provided for custom system
design. This appendix provides definitions and its default setting for the ten
GPI/O pins in the APPC series. The pin definition is shown in the following
table:
1
5
10
6
Pin
GPI/O mode PowerOn
Default
Address
Pin
GPI/O mode PowerOn
Default
Address
1
+5V
-
-
2
GPI20
High
A04h (bit0)
3
GPI21
High
A04h (bit1)
4
NC
-
-
5
NC
-
-
6
GND
-
-
7
GPO22
Low
A04h (bit2)
8
GPO23
Low
A04h (bit3)
9
NC
-
-
10
NC
-
-
Control the GPO pin (7/8) level from I/O port A04h bit (2/3).
The bit is Set/Clear indicated output High/Low