Appendix B: Digital I/O Programming Guide - Nexcom APPC 1230T User Manual

Appendix B: Digital I/O Programming Guide

Appendix B: Digital I/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
fifteen Digital I/O pins in the APPC series. The pin definition is shown in the
following table:
1 5
11 15
Pin GPI/O mode PowerOn
Default
1 DI1 High
3 DI3 High
5 GND -
7 NC -
9 DO1 Low
11 DO3 Low
13 GND -
15 GND -
Control the DO pin (9/10/11/12) level from I/O port A05h bit (4/5/6) and A01h bit (7).
The bit is Set/Clear indicated output High/Low
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Address Pin GPI/O mode PowerOn
A05h (bit0) 2 DI2
A05h (bit2) 4 DI4
- 6 COM
- 8 NC
A05h (bit4) 10 DO2
A05h (bit6) 12 DO4
- 14 GND
-
Address
Default
High A05h (bit1)
High A05h (bit3)
- -
- -
Low A05h (bit5)
Low A01h (bit7)
- -
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APPC 1230T/1231T/1235T/1530T/1531T/1730T/1731T/1930T/1931T User Manual