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AM335x with USB Controller

Luis Cordova
Intellectual 1930 points

Hello,

I was wondering if using the USB capabilities of the AM335x require a USB controller part as well, such as the TUSB6020. Can the Sitara perform this on its own?

My current understanding is that it has this USB controller capability integrated in the system. It may require a Power Switch, if any extra IC. I based this information on a TI reference design schematic I found.

The data transfer is going to be USB Isochronous Bulk Transfer, and will have to be faster than full-speed 12.0 MBps.

Thanks

  • 0
    TI__Guru**** 393215 points

    Hi Luis,

    Luis Cordova said:
    My current understanding is that it has this USB controller capability integrated in the system. It may require a Power Switch, if any extra IC. I based this information on a TI reference design schematic I found

    Your understanding is correct. USB controllers and PHYs are built-in in the AM335X. An external power switch is required for Host mode.