Quick Start
17
SBAU335 – May 2019
Copyright © 2019, Texas Instruments Incorporated
ADCx140EVM-PDK
4.1
Configuring the Audio Serial Bus for the I
2
S Output
The TLV320ADCx140 features a highly flexible audio serial bus that can be configured to implement a
wide range of data formats. The default format is TDM, however the GUI can be used to change the data
format to I
2
S. This section describes how to configure the TLV320ADCx140EVM for a 2-channel I
2
S output
to a USB audio at 16 bits and 48 kHz. Configure the AC-MB for USB audio as described in
. As
shown in
, select the audio serial bus tab.
Figure 19. Audio Serial Bus Tab
In the ASI format configuration pane (shown in
), change the protocol format to I
2
S, and the word
length to 16 bits.
Figure 20. ASI Format Configuration
