Re: gEDA-user: oscillator confusion

[John Luciani <jluciani@xxxxxxxxx>]

Check the pin numbering of the symbol against the pin numbering of the
footprint.
I have seen some crystal oscillators with pins numbered using DIP pin
position (1,7,8,14) and others numbered by pin ordinal (1,2,3,4).

(* jcl *)

On 7/20/05, Dave <dgriffi@xxxxxxxxxxxxx> wrote:
> 
> I'm designing something that uses a crystal oscillator module in a 14-pin
> DIP package.  I got a confusing error message when I pressed 'O' to
> optimize rats in PCB:
> 
>         Can't find U7 pin 8 called for in netlist.
> 
> Checking this list, I see that OSC14 is the correct footprint to use.
> The symbol used is osc-1.sym found in the "misc" directory.  I can give
> the oscillator a footprint of DIP14 and it works fine, but that's really
> not what I want.
> 
> My machine is NetBSD 2.0 using geda and friends as installed from pkgsrc.
> gschem-20050313
> geda-20050313
> pcb-current-20050315
> 
> Below is a test .sch file that exhibits this footprint trouble.  Please
> take a look and tell me where I went wrong.
> 
> v 20050313 1
> C 24000 54300 1 0 0 osc-1.sym
> {
> T 24000 55200 5 10 1 1 0 0 1
> refdes=U1
> T 24000 54000 5 10 1 0 0 0 1
> footprint=OSC14
> T 23300 54800 5 10 1 1 0 0 1
> value=10MHz
> }
> C 25400 54600 1 0 0 led-1.sym
> {
> T 26200 55000 5 10 1 1 0 0 1
> refdes=LED1
> T 25400 54600 5 10 0 0 0 0 1
> footprint=LED5
> }
> C 26500 54500 1 0 0 gnd-1.sym
> N 25200 54800 25400 54800 4
> N 26300 54800 26600 54800 4
> 
> 
> This is the .proj file used:
> 
> schematics test.sch
> output-name test
> 
> 
> 
> --
> David Griffith
> dgriffi@xxxxxxxxxxxxx
>