Nexcom APPC 1220T Manual do Utilizador descarregar pdf (Página 108)

Appendix B: GPI/O Programming Guide

APPC 1220T/1221T/1520T/1521T/1720T/1721T User Manual

aPPendix B: gPi/o Programming guide

GPI/O (General Purpose Input/Output) pins are provided for custom system

design. This appendix provides definitions and default settings for the ten

GPI/O pins in the APPC series. The pin definition is shown in the following

table:

J9 - GPIO Connector

Pin GPI/O

Mode

PowerOn

Default

Address Pin GPI/O

Mode

PowerOn

Default

Address

1 VCC - - 2 GND - -

3 GPO Low 284h

(Bit4)

4 GPI High 284h

(Bit0)

5 GPO Low 284h

(Bit5)

6 GPI High 284h

(Bit1)

7 GPO Low 284h

(Bit6)

8 GPI High 284h

(Bit2)

9 GPO Low 284h

(Bit7)

10 GPI High 284h

(Bit3)

Control the GPO pin (3/5/7/9) level from I/O port 284h bit (4/5/6/7).

The bit Set/Clear indicates output High/Low.

Pin Definition Pin Definition

1 +5V 2 GND

3 GPIO24 (GPO) 4 GPIO20 (GPI)

5 GPIO25 (GPO) 6 GPIO21 (GPI)

7 GPIO26 (GPO) 8 GPIO22 (GPI)

9 GPIO27 (GPO) 10 GPIO23 (GPI)

1 2 ... 103 104 105 106 107 108 109 110

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