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first off does anyone use the 5141 floorplanning tool (Virtuoso Preview), i just wonder if its widely used and therefore useful.
Secondly does it require that each pCell has some sort of macro/size information?
I should expalin my starting point is a schematic called:
cella, cellb, cellc & celld
each of these 4 sub-cells contains some pCells.
I tried from the CIW doing:
export -> PRFlatten
So far i'm getting errors like:
Cannot find switch master cell for instance M0 in cellView (cellA schematic) from viewlist 'autoAbstract abstract schematic netlist ' in library 'stu_PREVIEW_FLOORPLAN'.
Where M0 is a pCell inside cellA.
Appreciate any feedback.
It has been a while since I used Preview as I am concentrating on IC6.1. The issue you see is exactly what you suspect, the prFlatten switch list does not know how to handle pcells. I don't know if this will work but you may want to add the view "layout" to the end of the switch list. You also must have a prBoundary in the pcell in order tor it to be recognized in the area calculations. I do not have any data to test this option so give it a try and good luck.