Configuring The Audio Serial Bus For The I; Output; Figure 6-6. Audio Serial Bus Tab; Figure 6-7. Asi Format Configuration - Texas Instruments ADCx120EVM-PDK User Manual

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6.1 Configuring the Audio Serial Bus for the I

The TLV320ADCx120 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
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to I S. This section describes how to configure the TLV320ADCx120EVM for a 2-channel I
audio at 16 bits and 48 kHz. Configure the AC-MB for USB audio as described in
6-6, select the audio serial bus tab.
In the ASI format configuration pane (shown in
length to 16 bits.
When the protocol format is changed to I
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the audio format to I S. The GUI reads the ASI status register (page 0 register 0x15), providing the detected
sampling rate and BCLK and FSYNC ratio. The ASI status register can also be read manually in the audio serial
bus tab by clicking the Read button, as shown in
18 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module
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S Output

Figure 6-6. Audio Serial Bus Tab

Figure 6-7), change the protocol format to I

Figure 6-7. ASI Format Configuration

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S in the GUI, the USB audio processor on the AC-MB also changes
Figure 6-8, in the clock monitor pane.

Figure 6-8. Clock Monitor Pane

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S output to a USB
Section 6. As shown in
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S, and the word
SBAU359A – MAY 2019 – REVISED JUNE 2021
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Figure