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TAS5754M: What happened to PPC2 if connected to TAS5754

Part Number: TAS5754M

Hi team,

I'm working with our customer to setup the TAS5754 on our customer's board. Our customer is designing BT speaker with a volume about 200ku/y.

We have met some issue with PPC2 and TAS5754. 

If we connected the PPCMB to PC, and open PPC2 GUI, then the normal GUI will be displayed.

However, if we connect the PPCMB with TAS5754 target board, PPC2 GUI will turn immediately to the picture shown below:

Can you please let me know what's wrong with my TAS5754? Thanks!

Best regards,

Vio Liu