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Tlk2711-sp functinnality

kamal chenni
Prodigy 20 points

hi all,

I have a question about the functioning of the component tlk27-11sp, on the reception how can one know if the data which arrives from the transmitter are data injected throughTXD0 to TXD15 or prbs generator (10 bits)?

thanks

best regards

  • 0
    TI__Genius 14540 points
    Hi,

    The applications engineer supporting this device will respond to your inquiry upon his return to the office on Monday.

    Thank you.
  • 0
    TI__Guru 62930 points

    Kamal,

    The receiving device can check for the expected case.  Ie, should the transmitter be sending a specific protocol (when not in PRBS mode).  If so, then the receiver can attempt to receiving this data and look for the pattern.  It should include the comma for byte alignment.

    If the protocol or byte alignment is not detected (receiving errors or garbage data), then the FPGA, can turn on PRBS mode and monitor the PRBSPASS pin to validate that PRBS is being received and passing.

    This app note can be of some help understanding.

    http://www.ti.com/lit/pdf/sgla001

    It is located here:

    http://www.ti.com/product/TLK2711-SP/technicaldocuments

    If this answers your question, please click "Verify it as the answer"
    Regards,
    Wade