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Design

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

MSP430AFE253

,

MSP430AFE252

,

MSP430AFE251

MSP430AFE233

,

MSP430AFE232

,

MSP430AFE231

MSP430AFE223,MSP430AFE222,MSP430AFE221

SLAS701B–NOVEMBER2010–REVISEDJUNE2018

MSP430AFE2x3,MSP430AFE2x2,MSP430AFE2x1Mixed-SignalMicrocontrollers

1DeviceOverview

1

1.1Features

1

•LowSupplyVoltageRange:1.8Vto3.6V

•Ultra-LowPowerConsumption

–ActiveMode:220µAat1MHz,2.2V

–StandbyMode:0.5µA

–OffMode(RAMRetention):0.1µA

•FivePower-SavingModes

•Ultra-FastWake-upFromStandbyModeinLess

Than1µs

•16-BitRISCArchitecture,upto12-MHzSystem

Clock

•BasicClockModuleConfigurations

–InternalFrequenciesupto12MHzWithTwo

CalibratedFrequencies

–InternalVery-Low-PowerLow-Frequency(LF)

Oscillator

–High-Frequency(HF)Crystalupto16MHz

–Resonator

–ExternalDigitalClockSource

•UptoThree24-BitSigma-DeltaAnalog-to-Digital

Converters(ADCs)WithDifferentialPGAInputs

•16-BitTimer_AWithThreeCapture/Compare

Registers

•SerialCommunicationInterface(USART),

AsynchronousUARTorSynchronousSPI

SelectablebySoftware

•16-BitHardwareMultiplier

•BrownoutDetector

•SupplyVoltageSupervisorandMonitorWith

ProgrammableLevelDetection

•SerialOnboardProgramming,NoExternal

ProgrammingVoltageNeededProgrammable

CodeProtectionbySecurityFuse

•On-ChipEmulationModule

•DeviceComparisonSummarizestheAvailable

FamilyMembers

•ForCompleteModuleDescriptions,Seethe

MSP430x2xxFamilyUser'sGuide

1.2Applications

•Single-PhaseElectricityMeters

•DigitalPowerMonitoring

•SensorApplications

1.3Description

TheTIMSPfamilyofultra-low-powermicrocontrollersconsistsofseveraldevicesfeaturingdifferentsets

ofperipheralstargetedforvariousapplications.Thearchitecture,combinedwithfivelow-powermodes,is

optimizedtoachieveextendedbatterylifeinportablemeasurementapplications.Thedevicefeaturesa

powerful16-bitRISCCPU,16-bitregisters,andconstantgeneratorsthatcontributetomaximumcode

efficiency.Thedigitallycontrolledoscillator(DCO)allowsthedevicetowakeupfromlow-powermodesto

activemodeinlessthan1µs.

TheMSP430AFE2x3devicesareultra-low-powermixedsignalmicrocontrollersintegratingthree

independent24-bitsigma-deltaADCs,one16-bittimer,one16-bithardwaremultiplier,USART

communicationinterface,watchdogtimer,and11I/Opins.

TheMSP430AFE2x2devicesareidenticaltotheMSP430AFE2x3,exceptthatthereareonlytwo24-bit

sigma-deltaADCsintegrated.

TheMSP430AFE2x1devicesareidenticaltotheMSP430AFE2x3,exceptthatthereisonlyone24-bit

sigma-deltaADCintegrated.

(1)Formoreinformation,seeSection8,MechanicalPackagingandOrderableInformation.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE

MSP430AFE253IPWTSSOP(24)7.8mm×4.4mm

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