Hey Bruce,

I'm glad I could help - the suggestion came from where *I* have found
problems porting an application to a new circuit:

1.  Power
2.  Reset
3.  Oscillator

Since you had mentioned the first two, I thought it might be an idea to
check the last one.

And you ALWAYS check OSC1 AND OSC2 because sometimes the capacitance of the
probe that you are using will start the oscillator.  By checking both pins
individually, you can guarantee that there isn't a case where the oscillator
isn't working.

As for the short, well we've all done it and not noticed it because clearly
our assembly techniques are perfect.

Good luck and let us know how you make out,

myke
----- Original Message -----
From: "Bruce Douglas" <bdouglas@UOL.COM.BR>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, September 04, 2002 12:00 AM
Subject: Re: [PIC]: Problem with 16f877


> I want to thank Myke Predko for drawing my attention to the
> oscillator in my circuit.  I had thought it must be all right
> since the LCD was working but it wasn't.
>
> I did go out and get a different brand of crystal, in case mine
> was not a parallel cut, as well as 18p capacitors and both 2 and
> 3 pin resonators, since something was going to have to oscillate
> here or bust!
>
> However, in the process, I discovered a short between Osc1 and Gnd.
> This is very embarassing but I figure I had better own up in
> public.
>
> --
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>
>
>

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