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STM32F746G Discovery audio codec samplerate drift?

Question asked by J.Tobbe on Sep 30, 2016
Latest reply on Oct 7, 2016 by J.Tobbe
Hi.

I'm generating a stereo sinewave with the BSP_AUDIO routines and notice that the frequency of the generated waveform changes randomly with a couple of cents in either direction. How stable is the word clock from the SAI unit? Is it possible to get data on this and how can this problem be addressed?

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