I am trying to make an mp3 player using 21369 processor. For that i want to take mp3 input from a usb drive. can somebody help me with the the interfacing of usb.
The ADSP-21369 processors does not have on-chip USB controllers. You may need to have an USB to parallel/serial converter to connect the USB device to ADSP-21369 SHARC processors. Please refer the USB Extender card available in the below link:
This helps the user to connect to PC using USB. You may use a similar interface. I would also suggest you to refer to the below application note which refers the USB OTG interface for Blackfin processors:
You may use the similar approach for SHARC as well.
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