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trialRoute, error adjacent routing layers with same direction

marten

 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

Parents
  • 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.
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.
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