[PCB_FORUM] Re: Design Reuse From Existing Designs
- From: "Musetti, Carl" <cmusetti@xxxxxxxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Fri, 11 Mar 2005 11:21:29 -0500
Stephen,
If you read the tech file into the module before you read the logic in and
placed the parts the assignment table will not be set properly as it can't make
assignments with areas and net_spacing and net_physical_types with out them
present in the database. Trying reading the tech file in after netlist and
placement is done. This may clean it all up.
Carl
-----Original Message-----
From: Mariani, Stephen [mailto:smariani@xxxxxx]
Sent: Friday, March 11, 2005 11:07 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Design Reuse From Existing Designs
I am creating a module from an existing design. I have done the following:
1, Read in the tec file from the existing board and imported it to the Module.
2, Read in the new tel file to the module.
3, Took existing (board I want to copy from) and exported the placement.
4, Read the placement into the module, that placed only the components I needed
for the module.
5, Clipped all the traces, vias and fills from existing board from specific
area.
6, Imported clip files to the module.
Now I notice all the traces are missing properties. I am necking down inside
fine pitch BGA's and I have a ton of trace width errors. Does anyone know how
to import the net properties to my existing module?
I tried reading in the netlist with properties but not sure this is the best
way?
Thanks
Steve
Stephen Mariani
Mercury Computer Systems, Inc.
199 Riverneck Road
Chelmsford, MA 01824
Phone: (978) 967-1855
Fax: (978) 244-0520
<mailto:smariani@xxxxxx> mailto:smariani@xxxxxx
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