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10 bidirectional i/o (gpio), 11 tv out (j1), 12 extend led module/power (j2) – Acrosser AR-B1661 User Manual

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AR-B1661 Manual

14

2.3.10 Bidirectional I/O (GPIO)

1

9

2

10









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


C:>debug
l O 221 01H

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

l I 221
FC
Generally, suppose that GPIO1’s Pin1 and Pin3 are High

Level then will show “FC”



2.3.11 TV Out (J1)

1 2 3 4 5









2.3.12 Extend LED Module/Power (J2)

1 2

Pin #

Signal Name

Pin #

Signal Name

1

GPI0

2

GPO0

3

GPI1

4

GPO1

5

GPI2

6

GPO2

7

GPI3

8

GPO3

9

VCC (5V)

10

GND

Pin #

Signal Name

Pin #

Signal Name

1

LUMA

4

GND

2

CHROMA

5

GND

3

COMP

6

GND

Pin

Signal

1

P/LED

2

+5V