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Distinguish between multiple USB audio codecs plugged into the same host

Michael Coutlakis
Prodigy 50 points
Other Parts Discussed in Thread: PCM2902C

Hi there,

Is it possible to distinguish between multiple USB audio codecs plugged into the same host? For example the PCM2902C. I have seen that the datasheets of some of these USB codecs suggest that the descriptors are partially programmable. How difficult and costly is it to do this?

I have seen other manufacturers providing a USB codec with an EEPROM connection to load custom descriptors (E.g AK4571VQ). Does TI provide any parts with similar functionality?

Best regards, Michael