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TAS5782M: PPC3 stuck at Writing Coefficients to Device when choosing anything except 96KHZ Standard Processing

Part Number: TAS5782M

Hi,

I'm using the Purepath Console Motherboard in combination with a TAS5782MEVM board, as well as a system-specific board based on the TAS5782M. 

However, when I want to tune the Audio Processing in PPC3, and I select a Processing Mode OTHER THAN 96KHz Standard Processing (e.g. 96KHz SmartAmp, 48KHz Standard Processing,..), the program will get stuck at "Writing Coefficients". No other error messages.

This prevents me from doing any adjustments in these modes, since the program freezes and has to be closed.

I've captured the I2C traffic on the bus, but I can't see any direct problems (e.g. failed reads/writes). 

What can cause PPC3 to hang at "Writing coefficients", is it waiting for something to happen?

The 96KHz Standard Processing Mode works fine although.

BR,
Stefan Oechslein