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Subject: | Re: [geda-user] Project leadership (design error in the core of |
gschem) | |
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From: | John Griessen <john AT ecosensory DOT com> |
Message-ID: | <5682D724.1010705@ecosensory.com> |
Date: | Tue, 29 Dec 2015 12:55:32 -0600 |
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On 12/29/2015 11:29 AM, Ozzy Lash (ozzy DOT lash AT gmail DOT com) [via geda-user AT delorie DOT com] wrote: > In places were slotting could be cool we don't use it right in the > standard symbol library. Take the symbols for the larger xilinx chips. Slotting is intended for chip ins and outs that cannot change, so FPGAs are not a good example. FPGAs are very regprogrammable as far as which pin/pad/ball does a particular internal function. They don't need slots -- at least not classical slots. What would be good for FPGAs is a quick/easy way to change pin numbers of a symbol, and simultaneously update the netlist to match that same function without having to undo gschem nets that are already connected to that place. (A place that just got a pin swap or several done on it)
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