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Original question:
Hi Sir,
One of our projects used PCM2912 for audio design, but encountered the problem of USB port recognition. The detailed description is as follows:
The audio module can be recognized and work normally on win10 system, but on the win7 system, an unknown device will be recognized and it cannot work.
Can u help to analyze the cause of this problem? I have added the schematic to the below and hope it can do some help for analyse.
Thank,
Best Regards
