超低功耗射频应用方案

TICC430超低功耗MCU射频应用方案TI企业旳CC430系列是集成了RF收发器旳超低功耗MCU系统级芯片(SoC),器件具有功能强大旳MSP430™16位RISCCPU,16位居寄存器,以及常数发生器,以得到最高旳代码效率.工作电压1.8V-3.6V,CPU工作时旳功耗160µA/MHz,重要用在建筑物自动化,测试测量和财产跟踪.本文简介CC430重要特性,CC430F613x和CC430F513x旳功能方框图,不不小于1GHz无线电方框图,以及CC430F61xx和CC430F51xx旳经典应用电路图与材料清单.

TheTexasInstrumentsCC430familyofultralow-powermicrocontrollersystem-on-chipwithintegratedRFtransceivercoresconsistsofseveraldevicesfeaturingdifferentsetsofperipheralstargetedforawiderangeofapplications.Thearchitecture,combinedwithfivelow-powermodesisoptimizedtoachieveextendedbatterylifeinportablemeasurementapplications.ThedevicefeaturesthepowerfulMSP430™16-bitRISCCPU,16-bitregisters,andconstantgeneratorsthatcontributetomaximumcodeefficiency.

TheCC430familyprovidesatightintegrationbetweenthemicrocontrollercore,itsperipherals,software,andtheRFtransceiver,makingthesetruesystem-on-chipsolutionseasytouseaswellasimprovingperformance.

CC430重要特性:

TrueSystem-on-Chip(SoC)forLow-PowerWirelessCommunicationApplications

WideSupplyVoltageRange:1.8Vto3.6V

UltralowPowerConsumption:

CPUActiveMode(AM):160µA/MHz

StandbyMode(LPM3RTCMode):2.0µA

OffMode(LPM4RAMRetention):1.0µA

RadioinRX:15mA,250

kbps,915

MHz

MSP430SystemandPeripherals

16-BitRISCArchitecture,ExtendedMemory,50-nsInstructionCycleTime

Wake-UpFromStandbyModeinLessThan

6µs

FlexiblePowerManagementSystemwithSVSandBrownout

UnifiedClockSystemwithFLL

16-BitTimerTA0,Timer_AwithFiveCapture/CompareRegisters

16-BitTimerTA1,Timer_AwithThreeCapture/CompareRegisters

HardwareReal-TimeClock

TwoUniversalSerialCommunicationInterfaces

USCI_A0supportingUART,IrDA,SPI

USCI_B0supportingI2C,SPI

12-BitA/DConverterWithInternalReference,Sample-and-Hold,andAutoscanFeatures(OnlyCC430F613xandCC430F513x)Comparator

TheCC430hasoneactivemodeandfivesoftwareselectablelow-powermodesofoperation.Aninterrupteventcanwakeupthedevicefromanyofthelow-powermodes,servicetherequest,andrestorebacktothelow-powermodeonreturnfromtheinterruptprogram.

Thefollowingsixoperatingmodescanbeconfiguredbysoftware:

•Activemode(AM)

–Allclocksareactive

•Low-powermode0(LPM0)

–CPUisdisabled

–ACLKandSMCLKremainactive,MCLKisdisabled

–FLLloopcontrolremainsactive

•Low-powermode1(LPM1)

–CPUisdisabled

–FLLloopcontrolisdisabled

–ACLKandSMCLKremainactive,MCLKisdisabled

•Low-powermode2(LPM2)

–CPUisdisabled

–MCLKandFLLloopcontrolandDCOCLKaredisabled

–DCO’sdc-generatorremainsenabled

–ACLKremainsactive

•Low-powermode3(LPM3)

–CPUisdisabled

–MCLK,FLLloopcontrol,andDCOCLKaredisabled

–DCO’sdc-generatorisdisabled

–ACLKremainsactive

•Low-powermode4(LPM4)

–CPUisdisabled

–ACLKisdisabled

–MCLK,FLLloopcontrol,andDCOCLKaredisabled

–DCO’sdc-generatorisdisabled

–Crystaloscillatorisstopped

–Completedataretention

图1.CC430F613x功能方框图AO-Electronics傲壹电子官网：.com中文网：.cnALPSADIIRJRC/NJRKECOTAXSeoulSemic