If the capability exists, it would be nice if the PIC24F16KA102, "RCFGCAL: RTCC CALIBRATION AND CONFIGURATION REGISTER," "CAL<7:0>: RTC Drift Calibration bits" were configurable in a MUNU parameter. John KN5L On 12/03/2013 08:45 AM, pkhjr wrote: > The accuracy of the clock is very bad, but what he hey it only cost