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Date:	Wed, 12 Mar 2014 09:51:54 -0400
From:	"Stephen R. Besch" <sbesch AT buffalo DOT edu>
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To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] Declare a pin as GND in symbol
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Rob,

I've done this in the past and if I recall it's quite straightforward. 
Put a suitable pad in the footprint and give it a pin number that 
corresponds to the thermal pad under the chip. If the pad doesn't have a 
pin number in the part specification, make one up. Then in the symbol 
file add a net attribute and set it's value to GND:x where x is the pin 
number of the thermal pad. Just make sure that the spelling of GND 
matches exactly the spelling used everywhere else. If I recall, 
capitalization matters.

Steve Besch

On 03/11/2014 05:48 PM, Rob Butts wrote:
> I couldn't find the answer in the symbol guide.
>
> I made a symbol for an 8-pin soic component that has a thermal pad under
> the chip that is recommended to connect to ground.  I don't want to show
> the pin on the symbol but want to declare that hidden pin as a GND:1 net
> connection.
>
> I've seen it in symbols but can't find how to do it.
>


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