Re: [avr-chat] Error in Timing.

[Terry Karlson]

Erik Christiansen wrote:
> On Sun, Feb 26, 2006 at 05:55:06PM +0530, Royce Pereira wrote:
>
> > However, the Crystal oscillator also gives an error of about 5 seconds in 
> > 300 seconds. I tried using different capacitor values at the crystals pins, 
...
> If the crystal were in control, the oscillator should be within 100 ppm
> (or even 50), not 16,700 ppm off. Are you using something vaguely like
> 12 to 22 pf capacitors?

Is it even possible for a crystal to oscillate that far off?  (if 
nominally within spec)

-Terry Karlson