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2 cs42448 dac properties, 2 cs42448 dac properties -6 – Cirrus Logic CDB48500-USB User Manual

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Figure 4-6. CDB48500 Digital Audio Output Properties

This dialog allows the user to set the following parameters for the CS485XX Audio Output:

LRCLK polarity - Select the phase of LRCLK when the left-sample will be shifted out.

SCLK polarity - Select which edge of SCLK for which the output data will be valid.

DAO1/DAO2 relationship- Select independent or unified clock domains for the DAO1 and DAO2 audio
output ports.

MCLK/SCLK Ratios - Select the ratio of LRCLK to MCLK, and LRCLK to SCLK.

4.2.3.2 CS42448 DAC Properties

The analog output properties are selected through the CODEC DAC Properties dialog box in DSP Composer,
as shown in

Fig. 4-7

. Right-click on the “Audio Out” block, then select Device Properties. and select “Codec/

DAC” to edit the device properties of the Codec/DAC. Right-clicking on the “DAC” block does not reveal the
device properties of the Codec/DAC as the Codec/DAC device properties are previously set at the higher level,
the Audio Out Block.