GIIE wrote: > Pls could you help me regarding the vdd/vss error that manifests like > this. I really dont know what to do > > as I have been stuck here for about one week. > > > @@@@@@@ @ @@@@ @ > @@ @@ @@@ @@ @@ > @@ @@ @ @@ @ > @@ &nb! sp; @@ @@@ @@@ @@ > @@ @@ @@@@ @@@ @ @@ > @@@@@ @@ @@ @@ @@ @@@@@ > @@ @@ @@ @@ @@ @@ @ @@ > @@ @@ @@ @@ &! nbsp; @@ @@ @ @@ > @@ @@ @@ @@ @@ @@ @@ > @@ @@ @@ @@ @@ @@ @@ > @@@@@ @@@ @@@@@@ @@@@ @@@@ @@@@ > > PAD ring router > > Alliance CAD System 4.5.0, ring 2.11 > Copyright (c) 1991-2001, ASIM/LIP6/UPMC > E-mail support: alliance-support@asim.lip6.fr > <mailto:alliance-support@asim.lip6.fr> > > o reading netlists, layout views of core and pads. > o reading file of parameters, including the placements of pads. > o making equipotential list. > o making the first placement of pads. > o filling data internal structures. > o reading the connectors positions of the core. > o computing the best placement of the pads. > *The pads <vdd> and/or <vss> aren't place in front of the side 'W' of > the core. > You may place again the supply pads, in order to center them in front > of the core.* > > Where is the source of this error pls? is it in my (.rin) file or in > the (.ap) core file viewable with graal or where. Pls how do I correct > this error - i mean what do I do. I have tried arranging and > re-arranging my (.rin) file over and over again about 15 times > already, but then the position in the error changes from /*West, to > east, then north and then south and later back to west*/. Pls what do > I do. Here is my (.rin) file. > > north ( sa sb ) > west ( sc s0 vssi sd s1 ) > south ( yy NCpad ) > east ( vdd vddi vss) > I don't remember well but i think you must have one vdd and one vss pad on each side of the core. Each line should look like: east ( pad0 .... padx vdd12 vss12 pady .... padz) But perhaps am i mistaken... > PLS I NEED HELP. > THANKS > Giie > > > ------------------------------------------------------------------------ > *Do You Yahoo!?* > Send your FREE holiday greetings online at Yahoo! Greetings > <http://rd.yahoo.com/mail_us/tag/?http://greetings.yahoo.com/>.