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From:	"karl AT aspodata DOT se [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Subject:	about kicad (was Re: [geda-user] is geda dead yet?)
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Comments:	In-reply-to "Chris Smith (space DOT dandy AT icloud DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
	message dated "Tue, 10 Oct 2023 19:02:45 +0100."
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Date:	Tue, 10 Oct 2023 20:25:30 +0200 (CEST)
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Chris Smith:
> > On 10 Oct 2023, at 18:32, karl AT aspodata DOT se [via geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
> > 
> > Cris Smith:
> >>> On 10 Oct 2023, at 13:15, karl AT aspodata DOT se [via geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
> > ...
> >>> I guess that is due to that you cannot use multiple symbols for the
> >>> same component/package, i.e. you cannot show the signal flow.
> >> 
> >> Do you mean like splitting a processor into I/O blocks and power blocks,
> >> for example?  If so, that isn’t an issue at all.
> > 
> > Not quite, more like serial port pins in one symbol, dac pins in
> > another, etc. How does kicad does it today ?
> 
> You can define multiple units for a symbol and place the pins in whichever unit they belong.

Don't know what a "unit" is, but it sound like it is a solved case.

Looking in https://docs.kicad.org/7.0/en/eeschema/eeschema.pdf
i don't find any difinition of "unit" and unfortunately it also has
another meaning, like meter, inch.

Also, you reference different units with a single letter, so if you
have a lot of units, it is hard to tell which one pertains to which
function, you have to guess or try. It is easier to choose by filename.

Also, different units cannot have the same pin under different names,
useful for alternate functions of a mcu.

So, kicad has improved but is still lacking, at least for me.
Others might be content.

Regards,
/Karl Hammar

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