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DS280DF810: Re-load the PRBS checker's automatic pattern detection.what does that mean and how does it work?

zhao_guo
Prodigy 230 points
Part Number: DS280DF810

Hi e2e 

I read the document that the device can reload the PRBS Checker, how does it work?

thank you.

  • 0
    TI__Guru* 93670 points
    Hi Zhao,
    DS280DF810 goes over details about PRBS generation/checker. Do you have access to this document?
    Regards,,nasser
  • 0 in reply to Nasser Mohammadi
    Prodigy 230 points
    Hi nasser

    I have the detail datasheet,but not found the details about re-load PRBS checker,so I don't know how does it work.

    thank you.
  • 0 in reply to Nasser Mohammadi
    Prodigy 230 points
    Hi nasser

    I have the detail datasheet,but not found the details about re-load PRBS checker,so I don't know how does it workm.
    so could you explain that how does the PRBS re-load checker work?

    thank you
  • 0 in reply to Nasser Mohammadi
    Prodigy 230 points
    Hi nasser

    The datasheet SNLS456A have the details of reg 0x30,the description of bit 4 says that "Force reload of seed into PRBS checker LFSR without holding the checker in reset."what does that mean?

    thank you
  • 0 in reply to zhao_guo
    TI__Guru* 93670 points
    Hi Zhao,
    You should have access to the SNLU182C - DS280DF810 programming guide. This is part of the DS280DF810 design documents. Please register at TI.COM, use your company email address, and send me email at nasser.mohammadi@ti.com so we can provide you with access to this and other design documents.

    Additionally, we have listed register settings for enabling PRBS generator and checker as well.
    e2e.ti.com/.../701766

    Regards,,nasser
  • 0 in reply to Nasser Mohammadi
    Prodigy 230 points

    Hi  nasser

    I have the programming guide,but  sorry about that I don't know how to use the Re-load function,could me make the error bit counter back to zero without reset the PRBS checker,thank you.

  • 0 in reply to zhao_guo
    TI__Guru* 93670 points

    Greetings Zhao,

    In earlier post, I sent you a link that describes how to set registers to reload prbs pattern. Please refer to the earlier post/link that I sent you where we describe to how to reload PRBS pattern.

    Regards,,nasser