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在实时时钟运用中的电源问题的解决方案

所需E币: 5

时间: 2019-12-28 19:25

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AddressingPowerIssuesinRealTimeClockApplicationsApplicationNote1549AddressingPowerIssuesinRealTimeClockApplicationsIntroductionManyapplicationsprefertohavetheseconnectionspoweredseparately.Examplesinclude:IntersilRealTimeClock(RTC)productsnowincludemanyproductswithavarietyoffunctions.CommonRTCdeviceispowereddownwhiletheI2Cbusandfunctionsincludealowpower32,768kHzoscillatorandmicrocontrollerareactive(notrecommendedsinceitalsotheabilitytokeeptimeinSRAMregistersafterinitialwillviolateRTCdatasheet,butRTCdevicesareOK……

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