Ultra pcell - pcell with variable of pcell in it.

Hi How,

Yes, I'm sure this is possible but first I must ask why an Ultra PCell ?  These are graphical PCells that instantiate other (possibly also graphical) PCells.  Have you considered doing this as a SKILL PCell instead?  These are better supported and much easier to debug. In a SKILL PCell you can use dbCreateParamInst() or dbCreateParamInstByMasterName() to instantiate a PCell within a PCell.

Hopefully this will help?

Regards,

Lawrence.

Thanks Lawrence. Good day.

Ya, im writing in SKILL pcell.
I'm trying to code a skill pcell which instantiate another skill pcell. Where the top pcell and inherit the sub pcell's parameters.

It will be good if you have any example. =)

 -How-

Hi How,

Inside the pcDefinePCell, you'd have something like:

      inst=dbCreateParamInstByMasterName(
            pcCellView
            srcLib
            srcCell
            "layout"
            ""
            0.0:0.0
            "R0"
            1
            list(
                list("l" "string" sprintf(nil "%g" lMic*1e-6))
                list("w" "string" sprintf(nil "%g" wMic*1e-6))
                list("cCols" "string" cCols)
                list("segments" "string" segments)
                list("segSp" "string" segSp)
                list("connection" "string" connection)
            )
          )

In this particular case, cCols, segments segSp and connection were parameters for the pcell and were all string types. The lMic and wMic were computed within the pcell code, and were originally derived from other parameters passed in.

That's the idea - it's not very complicated. Not a complete example, but hopefully sufficient to get you moving?

Regards,

Andrew.

Hi Adrew amd Lawrence,

Thanks a lot, man.

Let me give it a try.