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 trialRoute, error adjacent routing layers with same direction 

Last post Thu, Dec 5 2013 12:21 AM by marten. 2 replies.
Started by marten 03 Dec 2013 05:04 AM. Topic has 2 replies and 4425 views
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  • Tue, Dec 3 2013 5:04 AM

    • marten
    • Top 500 Contributor
    • Joined on Thu, Aug 8 2013
    • Bielefeld, Nrth Rhine Westfalia
    • Posts 23
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    trialRoute, error adjacent routing layers with same direction Reply

     Hi there,

    i am using Encounter 13.1 and a STM 28FDSOI kit. Floorplanning and prePlace of the design run smoothly but when I try a timeDesign, trialrout exits with the following error:

    **ERROR: (ENCTR-7108):  Two adjacent routing layers M8 and M9 are in the same preferred direction.
    trialRoute does not support this design style and will exit.

     

    Where is this problem located ? Is it a LEF isssue, do I need to add another lef file? 

     Kind regards

    • Post Points: 20
  • Tue, Dec 3 2013 7:27 AM

    • Kari
    • Top 10 Contributor
    • Joined on Tue, Jul 15 2008
    • Cary, NC
    • Posts 693
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    Re: trialRoute, error adjacent routing layers with same direction Reply
    check your tech LEF (that's the one that defines all the routing layers, widths, spacings, etc.). There will be a direction for each layer. They usually alternate horizontal and vertical. Sounds like your M8 and M9 have the same direction. Change the one that seems out of whack.
    • Post Points: 20
  • Thu, Dec 5 2013 12:21 AM

    • marten
    • Top 500 Contributor
    • Joined on Thu, Aug 8 2013
    • Bielefeld, Nrth Rhine Westfalia
    • Posts 23
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    Re: trialRoute, error adjacent routing layers with same direction Reply

     Hey Kary, thanks!

    The upper layers (above M8) all had the same direction. Since this is a tech LEF provided by CMP I am wondering why one should do that ?!

    Best regards,

    Marten

    • Post Points: 5
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Started by marten at 03 Dec 2013 05:04 AM. Topic has 2 replies.