CDB42L73 Ver la hoja de datos (PDF) - Cirrus Logic

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CDB42L73

Evaluation Board for the CS42L73

Cirrus Logic 

CDB42L73

1. QUICK SETUP GUIDE

This section describes a short procedure to set the CDB42L73 to a standard state for evaluation.

1. Return all jumpers to their factory default settings as described in Table 2 on page 10, and displayed in Fig-

ure 1 on page 11

2. Install the FlexGUI software as outlined in Section 4.2 on page 12.

3. Connect a +5 V power supply to the +5 V Ext (J1) and GND (J2) binding post on the CDB42L73.

4. Connect a USB cable from a Windows®-compatible PC to the CDB42L73.

5. Run the FlexGUI software. Restore one of the two factory pre-configured signal test paths (read more about

restoring settings in Section 4.2.2 on page 12):

• Line input to Audio Serial Port output; Audio Serial Port input to headphone/line output

Restore register file: “Factory_Default_LINEIN_to_ASPOUT_ASPIN_to HP_LINEOUT.fgs”

The line inputs are labeled J32 and J33; the headphone output is J29; the line outputs J30 and J31. Au-

dio Serial Port input/outputs are connected via the S/PDIF connectors J16 through J19.

• Microphone input to Audio Serial Port output; Audio Serial Port input to speakerphone/earphone output

Restore register file: “Factory_Default_MICIN_to_ASPOUT_ASPIN_to_SPKrs.fgs”

The microphone inputs are labeled J34 and J35; the speakerphone output is J48; the earphone output

is J47. Audio Serial Port input/outputs are connected via the S/PDIF connectors J16 through J19.

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DS882DB1

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