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How can I cut a routing blockage in FE?

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Dear ALL:

I want to cut a routing blockage in one floorplan to make routing guides. For example, I dont have M5 cell routing blockage in a LEF hard block, I add this routing blockage at the top level, I have to cut some notches according to the pin shapes (if pins are on M5), then router can make M5 connections to these pins without DRC. How can I cut these notches on the added M5 routing blockage, this is more like a polygon operation, do Encounter have such db commands? I dont want to modify the LEF file (to add the M5 obstruction).

Thanks in advance!


Originally posted in cdnusers.org by eminemshow
Parents

  • You can use another solution.
    You can specify, attach to your block, a routing halo, like a placement blockage halo.
    In the documentation it is specified that it prohib routing on top of the macro on the specified layer, but allow the router to connect macro pins on this layer (Straigth connection).


    Originally posted in cdnusers.org by bougantp
Reply

  • You can use another solution.
    You can specify, attach to your block, a routing halo, like a placement blockage halo.
    In the documentation it is specified that it prohib routing on top of the macro on the specified layer, but allow the router to connect macro pins on this layer (Straigth connection).


    Originally posted in cdnusers.org by bougantp
Children
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