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USB based Finger print scanner not working with Am3352

rajesh ravnikar
Prodigy 180 points
Other Parts Discussed in Thread: AM3352

Hi TI ,

We are using a USB based digital persona finger print scanner interfaced to the OTG port of AM3352.

We are seeing the data packet loss in the isochronous mode of transfer with the finger print sensor as it is a time defined transfer and requires a reserved USB bandwidth.

 What is the test experiment done to test the otg controller in isochronous host full speed mode and what is the maximum throughput does it support?

Does TI has any recommendation to increase the USB bandwidth in isochronous host high speed mode?

Best Regards,

Rajesh N