13 general purpose i/o (gpio1), 1 gpio address select (jp3), 14 power connector (pwr1, pwr2) – Acrosser AR-B1640 User Manual

Page 15

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AR-B1640 User’s Guide

15

3.13 GENERAL PURPOSE I/O (GPIO1)

7 1

8 2


3.13.1 GPIO Address Select (JP3)

JP3

l Users could test GPIO function under ‘Debug’ program as follow:

C:>debug

l O 215 01H

Generally, the GPIO2 Pin2 will be High Level, others output pin
are Low Level.

l I 215

FC

Generally, suppose that GPIO1’s Pin1 and Pin3 are High Level

then will show “FC”


3.14 POWER CONNECTOR (PWR1, PWR2)


1 4

(PWR1)




The PWR1 is a 4-pin power connector. It’s the standard connectors on all Acrosser boards.

1 2

(PWR2)


Pin

Signal

Pin

Signal

1

GPI0

2

GPO0

3

GPI1

4

GPO1

5

GPI2

6

GPO2

7

GPI3

8

GPO3

JP3

ADDRESS

ON

215H (Factory Preset)

OFF

77H

PIN

Signal

1

+12V

2

GND

3

GND

4

VCC (+5V)

PIN

Signal

1

-12V

2

-5V

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