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TUSB4041I: buffers

Andre Strul
Expert 1330 points
Part Number: TUSB4041I

Hello and thank you for your support with this question.

We see that USB hub has 4 asynchronous buffers , can you tell us more about it , since USB 2.0 specs do not ask for buffers. How much data is stored ? Any info is appreciated.

Regards

  • 0
    TI__Guru 60870 points
    Hi Andre,

    The asynchronous buffers are used by the transaction translators for HS to FS/LS conversion. They are standard for transaction translators, but the TUSB4041 has 4 per TT so FS/LS operation does not impact HS throughput.

    Regards,
    JMMN