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From:	Kai-Martin Knaak <knaak AT iqo DOT uni-hannover DOT de>
Subject:	Re: [geda-user] Parts with internally connected pins
Date:	Fri, 12 Jun 2015 21:06:34 +0200
Organization:	Institut =?ISO-8859-1?Q?f=FCr?= Quantenoptik
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Donald Tillman wrote:

> My current approach, giving the shield pins the same pin number in the
> footprint, isn't bad, the rats nest just complains about missing
> connections.  And I can add the connections, it's not holding me up.

In some cases, the redundant connection can be considered beneficial. E.g. 
the multiple ground pins of a micro controller. Or the shield of a CAT6 
RJ45 connector. 

 
> But I'm wondering if there's an approach that's more preferable, that's
> more in line with the internals.
 
How about this:
1) all internally connected pins receive the same pin number
2) the designer can attach an ignore flag in the layout tool to the rat.
 
This would make pcb ignore the respective rat when it assembles the 
currently unmet rats nests. 

---<)kaimartin(>---
-- 
Kai-Martin Knaak                                  tel: +49-511-762-2895
Universität Hannover, Inst. für Quantenoptik      fax: +49-511-762-2211	
Welfengarten 1, 30167 Hannover           http://www.iqo.uni-hannover.de
GPG key:    http://pgp.mit.edu:11371/pks/lookup?search=Knaak+kmk&op=get

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