Texas Instruments DEM-DAI3793A manual Motherboard, Daughter Card #2 DEM-TRVC/LPC

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Default Configuration

Figure 2-2. EVM and External Equipment Connections

The factory default configuration for the DEM-DAI3793A/3794A EVM is listed below.

Motherboard:

∙CN101, CN102: Connect dc power supply positive lead (+) to CN101 and negative lead (–) to CN102

∙SW301: Set Opt or Coax output for the proper cable connection

Daughter Card #1 (DEM-PCM3793RHB-A):

∙JP14, JP15, JP16, JP17, and JP19: these jumper pins should not be used

∙For other jumper settings, please refer to the chapter, Switches and Connectors.

Daughter Card #2 (DEM-TRVC/LPC):

∙SW001: Set Opt or Coax for S/PDIF input to DIR:LC89052T

∙SW002: Set to silkscreen SW002 RESET side (releasing reset)

∙SW003: Set X’tal to use onboard crystal oscillator

There is no need to change the setting of the shorting plugs for basic operation. Jumper settings strongly depend on the audio interface.

20 Getting Started SBAU127 –July 2007

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