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by oweno
Thu Sep 20, 2018 3:02 am
Forum: Stereo soundcard for the Raspberry Pi
Topic: Using Stereo Soundcard with the Compute Module, I2C Problems
Replies: 0
Views: 802

Using Stereo Soundcard with the Compute Module, I2C Problems

I've been noticing a strange problem trying to use the Stereo Soundcard (v1.5) with the Raspberry Pi Compute Module 3. The card does not configure properly and I tracked it down to problems on the I2C bus. Using a logic analyzer, I can see many NAK transmissions on the bus. The WM8731 is not respond...