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PUREPATH-CMBEVM: Unable to routing external I2S signal through Purepath console motherboard to TAS5825MEVM

Part Number: PUREPATH-CMBEVM
Other Parts Discussed in Thread: TAS5825MEVM

Hello,

I am trying to pass external I2S audio through J4 on the Purepath motherboard Rev G to play audio on a TAS5825MEVM. I ran the script here:

https://e2e.ti.com/support/audio/f/audio-forum/719225/faq-purepath-console-motherboard

And don't see any clock or data on the test points on the TAS5825EVM. It looks like the I2S MUX isn't switching to the correct output. Is there documentation on how to verify the output of the MUX is changed?

Thanks.