基于音叉晶体上MCP79410温度补偿
Anincreasingnumberofapplicationsthatinvolvetime
measurementarerequiringaReal-TimeClockdevice.
TheMCP79410isafeature-richRTCCthatincorpo-
ratesEEPROM,SRAM,uniqueIDandtime-stamp.
Thisapplicationnotedescribeshowtocompensatethe
parabolicthermaldriftofsomecrystalsinRTCC-based
projects,usingtheCalibrationregister.AN1413TemperatureCompensationofaTuningForkCrystalBasedonMCP79410On-ChipDigitalTrimming/CalibrationoftheAuthor:AlexandruValeanuOscillatorMicrochipTechnologyInc.Operatesdownto1.8VBack-upVoltagedownto1.3VINTRODUCTION
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