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1、MSP430x461x1,MSP430x461xMIXEDSIGNALMICROCONTROLLERSLAS675−OCTOBER2009DLowSupplyVoltageRange:1.8Vto3.6VDUniversalSerialCommunicationInterfaceDUltralow-PowerConsumption:−EnhancedUARTSupporting−ActiveMode:400µAat1MHz,2.2VAuto-BaudrateDetection−StandbyMode:1.3µA−I
2、rDAEncoderandDecoder−OffMode(RAMRetention):0.22µA−SynchronousSPI−I2CTMDFivePower-SavingModesDSerialOnboardProgramming,DWake-UpFromStandbyModeinLessProgrammableCodeProtectionbySecurityThan6µsFuseD16-BitRISCArchitecture,ExtendedDBrownoutDetectorMemory,125-nsInst
3、ructionCycleTimeDFamilyMembersInclude:DThreeChannelInternalDMA:−MSP430x4616,MSP430x46161D12-BitA/DConverterWithInternal92KB+256BFlashorROMMemoryReference,Sample-and-HoldandAutoscan4KBRAMFeature(MSP430x461xonly)−MSP430x4617,MSP430x46171:D16-BitTimer_AWithThree9
4、2KB+256BFlashorROMMemory,Capture/CompareRegisters8KBRAMD−MSP430x4618,MSP430x46181:16-BitTimer_BWithSevenCapture/Compare-With-ShadowRegisters116KB+256BFlashorROMMemory,8KBRAMDOn-ChipComparator−MSP430x4619,MSP430x46191:DSupplyVoltageSupervisor/MonitorWith120KB+2
5、56BFlashorROMMemory,ProgrammableLevelDetection4KBRAMDBasicTimerWithRealTimeClockFeatureDForCompleteModuleDescriptions,ReferDIntegratedLCDDriverupto160SegmentstotheMSP430x4xxFamilyUser’sGuideWithRegulatedChargePumpTheMSP430F461x1devicesareidenticaltotheMSP430F4
6、61xdevices,withtheexceptionthattheADC12moduleisnotDSerialCommunicationInterface(USART1),implemented.SelectAsynchronousUARTorSynchronousSPIbySoftwaredescriptionTheTexasInstrumentsMSP430familyofultralow-powermicrocontrollersconsistsofseveraldevicesfeaturingdiffe
7、rentsetsofperipheralstargetedforvariousapplications.Thearchitecture,combinedwithfivelow-powermodes,isoptimizedtoachieveextendedbatterylifeinportablemeasurementapplications.Thedevicesfeatureapowerful16-bitRISCCPU,16-bitregisters,andconstantgeneratorsthatcontrib
8、utetomaximumcodeefficiency.Thedigitallycontrolledoscillator(DCO)allowswake-upfromlow-powermodestoactivemodeinlessthan6µs.TheMSP430x461x(1)seriesaremicrocontrollerconfigurationswith
