On 2011/04/06 20:37, Oliver Seitz wrote:
Also the measured aberration changed when I started to use
the sleep instruction and WDT, while I understand from the
datasheet that the rtcc module keeps running in even deep
sleep.
If you want to calibrate the clock crystal by means of the (more
accurate) main crystal, you have to keep the main crystal running, so
sleeping is not a good idea within a calibration period ;-)
I calibrated with an external clock (DCF77 controlled)
Regards, Rob
--
R. Hamerling, Netherlands --- http://www.robh.nl
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