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From: | Terry Karlson |
Subject: | Re: [avr-chat] Error in Timing. |
Date: | Wed, 01 Mar 2006 11:46:30 -0500 |
User-agent: | Mozilla Thunderbird 1.0.7-1.1.fc4 (X11/20050929) |
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
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