Appendix A: Gpi/O Programming Guide - Nexcom APPC 1230T 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
6
10
Pin GPI/O mode PowerOn
Default
1 +5V -
3 GPI21 High
5 NC -
7 GPO22 Low
9 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
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Address Pin GPI/O mode PowerOn
- 2 GPI20
A04h (bit1) 4 NC
- 6 GND
A04h (bit2) 8 GPO23
- 10 NC
Address
Default
High A04h (bit0)
- -
- -
Low A04h (bit3)
- -
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APPC 1230T/1231T/1235T/1530T/1531T/1730T/1731T/1930T/1931T User Manual