As far as I know (and I haven't tested it yet) Protel isn't case sensitive,
my fear of numbering pins with upper and lower case letters is that the
netlist would get confused, thats why I suggested keeping a conventional pin
numbering system but naming the pins with thier true pin numbers.

>  -----Original Message-----
> From:         "DUTTON Phil" <[EMAIL PROTECTED]>  
> Sent: Monday, August 06, 2001 9:04 AM
> To:   'Protel EDA Forum'
> Subject:      Re: [PEDA] alphabetic pin numbers
> 
> Is there any problem with 'A' compared to 'a' though?
> 
> Phil.
> 
> 
> Phil Dutton C.I.D.
> Senior CAD Technician
> IPC Certified Interconnect Designer
> 
> Tenix Defence Systems Pty Ltd
> Systems Division - Adelaide
> Second Avenue, Technology Park,
> Mawson Lakes.  SOUTH AUSTRALIA  5095
> 
> ================================
> Phone         (08) 8300 4400 (reception)
>       (08) 8300 4481 (direct)
> Fax           (08) 8349 7420
> email                 [EMAIL PROTECTED]
> Internet Page http//www.tenix.com
> ================================
> 
> 
> -----Original Message-----
> From: Jeremy POLLARD [mailto:[EMAIL PROTECTED]]
> Sent: Monday, 6 August 2001 17:19
> To: Protel EDA Forum
> Subject: Re: [PEDA] alphabetic pin numbers
> 
> 
> Protel98 can handle the pin number the same as pin name(not sure about
> 99SE
> but do not see why it should change).
> I think that it is important to match as close as possible to real pin
> numbering. I have used the DIN41612
> series extensively which has the same pin numbering scheme. I have a three
> part schematic library symbol
> part 1 is 1a to na, part 2 is 1b to nb and part 3 is 1c to nc the pin
> numbering also carries over into PCB layout
> with out any problems.
> 
> This has worked for many years reliably and with out problems.
> 
> Regards
> 
> Jerry
> 
> >>> <[EMAIL PROTECTED]> 7/26/01 6:25:36 AM >>>
> I think the answer is you have to have the Pin 'Named' as 1a, 1b etc but
> the
> pin 'number' as the usual 1, 2, 3 etc. Then to make it clear on the
> schematic you show the name but hide the number, set this in the dialog
> box
> as you place the pins in the symbol editor. All you have to do then is
> ensure that the foot print pin numbering matches the schematic pin
> numbering
> (most important, check and re-check)
> 
> Regards
> 
> TC
> 
> >  -----Original Message-----
> > From:       "Brian Watson" <[EMAIL PROTECTED]>
> > Sent:       Monday, August 06, 2001 7:41 AM
> > To: Protel EDA Forum
> > Subject:    [PEDA] alphabetic pin numbers
> >
> >
> >
> > Greetings,
> >
> > One of my fellow users asked me how to build a connector that has
> multiple
> > rows with pins numbered alphabetically. This one had more that 26 pins
> per
> > row and went something like 1A, 1B ,1C, ....... 1a, 1b, 1c etc.
> >
> > I could not give him a good answer.
> >
> > Has anybody had to deal with such a situation?
> >
> > regards
> >
> > Brian
> 
> 
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