Tracing UNKNOWN drivers

Discussion in 'VHDL' started by Yaseen Zaidi, Dec 20, 2006.

  1. Yaseen Zaidi

    Yaseen Zaidi Guest

    On Post Map and Post Route model simulations intermittently I get few X
    bytes. I set up a trace check for source in ModelSim and found out that
    it leads to X_BUF with 658 ps pathpulse which connects to vitalbehavior
    (gsr, prld, dly of clk, set, rst etc). It's only bit 0 of the bus
    that goes to X at times.

    What do I do to get consistent timing?

    Best wishes.
     
    Yaseen Zaidi, Dec 20, 2006
    #1
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