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C5509A: more than 64kBytes/s on USB?

Andreas Weishaupt
Expert 1270 points

Hi everybody,

In my current design, I am using 2 interrupt endpoints to shovel data at 2x 64kBytes/s from the C5509A to a host computer.
Is there any (easy) way to exploit much more of the theoretical bandwith of 12 Mbit/s of the C5509A's USB1.1 controller, without opening the 6 remaining endpoints and creating additional USB interfaces?

Thank you very much for your help

Best regards,

Andreas

 

  • 0
    TI__Mastermind 23785 points

    Andreas,

    The 12 Mbits/s is USB 1.1 limitation. Let's see if there is idea to push it.

    Regards.

  • 0 in reply to Steve Tsang
    Expert 1270 points

    Hi Steve,

    I didn't meant to go beyond the 12 Mbits/s. I am sorry for this misunderstanding.
    My question is : how can I get (most of the) 12 Mbits/s using the C5509A on a single endpoint?

    I know that it is possible to get the 12 Mbit/s using multiple endpoints. But I don't want this because I'd have to create an interface for each of them, then split the data for each one, and finally putting it together again which I consider to be a far too complicated solution for what I'd like to do.

    Best regards.

    Andreas