Quick Start
15
SBAU335 – May 2019
Copyright © 2019, Texas Instruments Incorporated
ADCx140EVM-PDK
4
Quick Start
Configure the AC-MB for the USB audio (TDM) and the TLV320ADCx140EVB for the onboard microphone
input.
All configurations for this example are done on the audio configuration tab. In the
Audio Configuration
block in the lower right portion of the audio configuration tab (as shown in
), select a word length
of 16 bits, and enable the ASI output channel 1.
Figure 15. Audio Configuration
As shown in
, select
AVDD
for the MIC bias voltage and power-up the MIC bias.
Figure 16. MIC Bias Configuration
The default state for the TLV320ADCx140 is standby mode and, with the exception of the channel digital
volume, all device configurations must be done in standby mode. The TLV320ADCx140 does not provide
a digital audio output in standby mode.
shows how to change the mode from standby to active.
Figure 17. Standby to Active Mode
