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TDA4VM: mcasp will lose audio data

Part Number: TDA4VM


Tool/software:

Hi Ti expert

sdk 0902

I used the following configuration to transmit and receive data with Android on Qualcomm. 
However, some audio data frames sent by C6x_2 were lost. The data sent by Qualcomm did not lose any audio data frames.

This is the test waveform of the audio sent from Qualcomm:



This is the test waveform of the audio sent from C6x_2:


 

In actual testing, we found that the audio data sent by C6x_2 to Qualcomm Android would lose slot 0 and slot 1.


FS is 48khz

slot size 32 bit, slot num: 32



Best Regards
Eason