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DS80PCI800: Lane swap

Chen Alex1
Genius 3865 points
Part Number: DS80PCI800


Tool/software:

hi sir

Due to  the layout flexible, can I lane swap in design

thanks

  • 0
    TI__Genius 11480 points

    Lane reversal (Not swap) is generally supported in PCIe, but lanes must be sequentially ordered (ie. Lanes [3:0] -> [0:3].

    The redriver treats all lanes the same, so the order can be swapped through the redriver but must be ordered correctly when interfacing with the Host and EP.

    Regards,

    Undrea