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时间: 2020-1-6 09:49
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AnincreasingnumberofapplicationsthatinvolvetimemeasurementarerequiringaReal-TimeClockdevice.TheMCP79410isafeature-richRTCCthatincorpo-ratesEEPROM,SRAM,uniqueIDandtime-stamp.ThisapplicationnotedescribeshowtocompensatetheparabolicthermaldriftofsomecrystalsinRTCC-basedprojects,usingtheCalibrationregister.AN1413TemperatureCompensationofaTuningForkCrystalBasedonMCP79410On-ChipDigitalTrimming/CalibrationoftheAuthor:AlexandruValeanuOscillatorMicrochipTechnologyInc.Operatesdownto1.8VBack-upVoltagedownto1.3VINTRODUCTION……