B&K Reference 20 Plus A/V System Controller Uživatelský manuál stáhnout pdf (Strana 9)

VM801P Embedded Video Engine Plus Module Datasheet

Version 1.0

Document Reference No.: FT_001102 Clearance No.: FTDI#426

2.2.6 JP1 – Audio Amplifier Power Selection

This jumper provides the option to select the power supply voltage for the on-board power

amplifier.

Jumper position

Description

Short pin 1-2

3.3V selected (default)

Short pin 2-3

5V selected

Table 2.6 JP1 - Audio Amplifier Power Pin Options

NOTE: This needs to be configured before audio can be heard. Default is 3.3V. Select 5V to

increase the maximum volume for the speaker.

2.2.7 SW1 – 5V Power Source Selection

Jumper position

Description

Short pin 1-2

Board power from CN1

Short pin 2-3

Board power from CN2 (default)

Table 2.7 SW1 - Power Source Selection

2.2.8 JP4 – USB Power Selection

Jumper position

Description

Open

Enable USB power to application circuits when FT232R is

enumerated (Default). USB power will be turned off during

USB suspend

Short

USB power always enabled

Table 2.8 JP4 - USB Power Selection

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 25 26

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B&K Reference 20 Plus A/V System Controller Uživatelský manuál Strana 9