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1、TIMSP430FR231x系列FRAMMCU开发方案时间：2016-04-1111:15:35 作者：TI 来源：中电网TI公司的MSP430FR231x系列是16位差低功耗铁电存储器(FRAM)MCU.铁电存储器具有SRAM的速度,灵活性和耐用性以及闪存的稳定性和可靠性,并且总功耗很低.16位RISC处理器工作频率高达16MHz,并集成了可配置低漏电电流传感放大器,16位寄存器,常数发生器.主要用在烟雾检测器,健康健身设备,消费电子,电源盒和电源监视.本文介绍了MSP430FR231x系列主要特性,框图,MSP430FR2311Launch
2、Pad开发板主要特性,框图和电路图.Theultra-low-powerMSP430FR231xFRAMmicrocontroller(MCU)familyconsistsofseveraldevicesthatfeatureembeddednonvolatileFRAManddifferentsetsofperipheralstargetedforvarioussensingandmeasurementapplications.Thearchitecture,FRAM,andperipherals,combinedwithextensivelow-powermo
3、des,areoptimizedtoachieveextendedbatterylifeinportableandwirelesssensingapplications.FRAMisanewnonvolatilememorythatcombinesthespeed,flexibility,andenduranceofSRAMwiththestabilityandreliabilityofflash,allatlowertotalpowerconsumption.TheMSP430FR231xFRAMMCUistheworld’sfirstmicrocontroll
4、erwithaconfigurablelow-leakagecurrentsenseamplifierandfeaturesapowerful16-bitRISCCPU,16-bitregisters,andconstantgeneratorsthatcontributetomaximumcodeefficiency.Thedigitallycontrolledoscillator(DCO)alsoallowsthedevicetowakefromlow-powermodestoactivemodetypicallyinlessthan10μs.Additiona
5、lly,developerscanreducePCBrealestatebyupto75percentwithintegratedanalog,EEPROM,crystal,andMCUfunctionalityina3.5mm×4mmpackage.Thefeaturesetofthismicrocontrollerisidealforapplicationsrangingfromsmokedetectorstoportablehealthandfitnessaccessories.System-levelESDprotectionmustbeappliedin
6、compliancewiththedevice-levelESDspecificationtopreventelectricaloverstressordisturbingofdataorcodememory.See(SLAA530)formoreinformation.MSP430FR231x系列主要特性:EmbeddedMicrocontroller 16-BitRISCArchitectureupto16MHzWideSupplyVoltageRangeFrom1.8Vto3.6V[OperationvoltageisrestrictedbySVSlevel
7、s(seeVSVSH-andVSVSH+)]OptimizedLow-PowerModes(at3V) ActiveMode:126µA/MHzStandby: LPM3.5WithVLO:1µAReal-TimeClock(RTC)Counter(LPM3.5With32768-HzCrystal):1µAShutdown(LPM4.5):25nAwithSVSLow-PowerFerroelectricRAM(FRAM) Upto3.75KBofNonvolatileMemoryBuilt-InErrorCorrectionCode(ECC)Configura
8、bleWr
