, make sure
AVDD
is selected for the MIC bias voltage and powered up.
Figure 6-3. MIC Bias Configuration
The default state for the PCMx120-Q1 is standby mode and, with the exception of the channel digital volume, all
device configurations must be done in standby mode. The PCMx120-Q1 does not provide a digital audio output
in standby mode.
shows how to change the mode from standby to active.
Figure 6-4. Standby to Active Mode
When active mode is enabled, any controls not configurable in active mode are grayed out. These controls can
be changed again when the device is brought out of active mode.
shows which controls are disabled.
Figure 6-5. Disabled Controls in Active Mode
Audio can now be captured on your PC using the audio program of your choice.
Quick Start
SBAU398 – MARCH 2022
ADCx120Q1EVM-PDK, PCMD3140Q1EVM-PDK Evaluation Module
17
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