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 TWF format 

Last post Fri, Jul 13 2012 1:47 PM by Brannon. 0 replies.
Started by Brannon 13 Jul 2012 01:47 PM. Topic has 0 replies and 1710 views
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  • Fri, Jul 13 2012 1:47 PM

    • Brannon
    • Not Ranked
    • Joined on Mon, Jul 4 2011
    • Posts 6
    • Points 75
    TWF format Reply

    Does anyone have a reference for the format of the Timing Window File (twf)? I'm trying to debug a tricky timing problem which I think may be related to ETS propagation of timing window information; if I could understand the TWF format I think I could make some forward progress. For example:

      (CAUSED_BY "clk" RISE
      (NET "foo/bar" 0.0085:0.03322 0.0052:0.0455 * * 0.3923:0.4179 0.0055:0.0465 * * C)
     )
     (CAUSED_BY "clk" FALL
      (NET "foo/bar" * 0.0052:0.0455 * * 0.3923:0.4179 0.0055:0.0465 * * D)
     )
     (CAUSED_BY "clk" RISE
      (NET "foo/bar" 0.0085:0.03322 0.0052:0.0455 * 0.37476 * 0.0055:0.0465 * * D)
     )

    I'd like understand what the various fields for each net corresponds to (and what 'C' vs. 'D' means for the last field)

    • Post Points: 5
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Started by Brannon at 13 Jul 2012 01:47 PM. Topic has 0 replies.