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Subject: Ground Sym
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paul481
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8/02/2005 1:00 PM  
We're new to Concept, so with that said.....we are using the Cadence supplied ground symbols in the "standard" library. For example we're using the earth_ground symbol and attaching a signal name "CHGND" to it, however when running the net list, it keeps the "earth_ground" signal name. Is there any way to over ride this? Any help on this is greatly appreciated.
CharlieE
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8/03/2005 8:48 AM  
Hi Paul,
I guess what you didn't know yet, is that the ground (and power) symbols task is To Name The Net! What they do, is say ""This net is a ground net, and has the name earth_ground."" So, when you then try attaching ANOTHER name to the net, the software has to say, 'Which name do I use?' and in this case says 'I use the ground symbol.'

If you need to have nets named something else, and then connect it to your ground net CHGND, then use and ALIAS or SYNONYM part to make that connection. If you wanted the net to be CHGND from the beginning, then rename the symbols name to CHGND.
paul481
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8/04/2005 12:58 PM  
Hey Charlie, Thanks for your reply and help. We decided to just create a local sym with the associated net name. It seems to work....I think. Thanks again
-paul
KenBair
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10/28/2005 12:20 PM  
Tip for you guys.

We made hdl_power property visible on the standard power symbols and then had users change property text to whatever ground signal they wanted.

This works great.
paul481
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10/28/2005 4:59 PM  
No Way !!! is it really that easy?? How do you like concept? Thanks for the tip.
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