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CC2540F128,CC2540F256www.
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comSWRS084F–OCTOBER2010–REVISEDJUNE20132.
4-GHzBluetoothlowenergySystem-on-ChipCheckforSamples:CC2540F128,CC2540F2561FEATURESATPS62730Compatible23456TrueSingle-ChipBLESolution:CC2540CanLowPowerinActiveModeRunBothApplicationandBLEProtocolStack,IncludesPeripheralstoInterfaceWithWide–RXDownto15.
8mA(3VSupply)RangeofSensors,Etc.
–TX(-6dBm):18.
6mA(3VSupply)6-mm*6-mmPackageARFMicrocontroller–Bluetoothlowenergytechnology–High-PerformanceandLow-Power8051CompatibleMicrocontrollerCore–ExcellentLinkBudget(upto97dB),–In-System-ProgrammableFlash,128KBorEnablingLong-RangeApplicationsWithout256KBExternalFrontEnd–8-KBSRAM–AccurateDigitalReceivedSignal-StrengthAIndicator(RSSI)Peripherals–SuitableforSystemsTargetingCompliance–12-BitADCwithEightChannelsandWithWorldwideRadioFrequencyConfigurableResolutionRegulations:ETSIEN300328andEN300–IntegratedHigh-PerformanceOp-Ampand440Class2(Europe),FCCCFR47Part15Ultralow-PowerComparator(US),andARIBSTD-T66(Japan)–General-PurposeTimers(One16-Bit,TwoLayout8-Bit)–FewExternalComponents–21General-PurposeI/OPins(19*4mA,2*–ReferenceDesignProvided20mA)–6-mm*6-mmQFN40Package–32-kHzSleepTimerWithCaptureLowPower–TwoPowerfulUSARTsWithSupportfor–ActiveModeRXDownto19.
6mASeveralSerialProtocols–ActiveModeTX(–6dBm):24mA–Full-SpeedUSBInterface–PowerMode1(3-μsWake-Up):235μA–IRGenerationCircuitry–PowerMode2(SleepTimerOn):0.
9μA–PowerfulFive-ChannelDMA–PowerMode3(ExternalInterrupts):0.
4μA–AESSecurityCoprocessor–WideSupplyVoltageRange(2V–3.
6V)–BatteryMonitorandTemperatureSensor–FullRAMandRegisterRetentioninAll–EachCC2540ContainsaUnique48-bitPowerModesIEEEAddress1Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2SmartRFisatrademarkofTexasInstruments.
3BluetoothisaregisteredtrademarkofBluetoothSIG,Inc.
4SupportedbyIAREmbeddedWorkbenchisatrademarkofIARSystemsAB.
5ZigBeeisaregisteredtrademarkofZigBeeAlliance.
6Allothertrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright2010–2013,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsoftheTexasInstrumentsstandardwarranty.
Productionprocessingdoesnotnecessarilyincludetestingofallparameters.
CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
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comSOFTWAREFEATURESAPPLICATIONSBluetoothv4.
0CompliantProtocolStackfor2.
4-GHzBluetoothlowenergySystemsSingle-ModeBLESolutionMobilePhoneAccessories–CompletePower-OptimizedStack,SportsandLeisureEquipmentIncludingControllerandHostConsumerElectronics–GAP–Central,Peripheral,Observer,orHumanInterfaceDevices(Keyboard,Mouse,Broadcaster(IncludingCombinationRemoteControl)Roles)USBDongles–ATT/GATT–ClientandServerHealthCareandMedical–SMP–AES-128EncryptionandDecryptionCC2540WITHTPS62730–L2CAPTPS62730isa2MHzStepDownConverter–SampleApplicationsandProfileswithBypassMode–GenericApplicationsforGAPCentralExtendsBatteryLifetimebyupto20%andPeripheralRolesReducedCurrentinTXandRX–Proximity,Accelerometer,SimpleKeys,30nABypassModeCurrenttoSupportLowandBatteryGATTServicesPowerModes–MultipleConfigurationoptionsRFPerformanceUnchanged–Single-ChipConfiguration,AllowingSmallPackageAllowsforSmallSolutionSizeApplicationtoRunonCC2540CC2540Controllable–NetworkProcessorInterfaceforApplicationsRunningonanExternalMicrocontroller–BTool–WindowsPCApplicationforEvaluation,Development,andTestDevelopmentTools–CC2540MiniDevelopmentKit–SmartRFSoftware–SupportedbyIAREmbeddedWorkbenchSoftwarefor8051DESCRIPTIONTheCC2540isacost-effective,low-power,truesystem-on-chip(SoC)forBluetoothlowenergyapplications.
ItenablesrobustBLEmasterorslavenodestobebuiltwithverylowtotalbill-of-materialcosts.
TheCC2540combinesanexcellentRFtransceiverwithanindustry-standardenhanced8051MCU,in-systemprogrammableflashmemory,8-KBRAM,andmanyotherpowerfulsupportingfeaturesandperipherals.
TheCC2540issuitableforsystemswhereverylowpowerconsumptionisrequired.
Verylow-powersleepmodesareavailable.
Shorttransitiontimesbetweenoperatingmodesfurtherenablelowpowerconsumption.
TheCC2540comesintwodifferentversions:CC2540F128/F256,with128and256KBofflashmemory,respectively.
CombinedwiththeBluetoothlowenergyprotocolstackfromTexasInstruments,theCC2540F128/F256formsthemarket'smostflexibleandcost-effectivesingle-modeBluetoothlowenergysolution.
2SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
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comSWRS084F–OCTOBER2010–REVISEDJUNE2013Copyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback3ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
ti.
comThisintegratedcircuitcanbedamagedbyESD.
TexasInstrumentsrecommendsthatallintegratedcircuitsbehandledwithappropriateprecautions.
Failuretoobserveproperhandlingandinstallationprocedurescancausedamage.
ESDdamagecanrangefromsubtleperformancedegradationtocompletedevicefailure.
Precisionintegratedcircuitsmaybemoresusceptibletodamagebecauseverysmallparametricchangescouldcausethedevicenottomeetitspublishedspecifications.
ABSOLUTEMAXIMUMRATINGS(1)MINMAXUNITSupplyvoltageAllsupplypinsmusthavethesamevoltage–0.
33.
9V–0.
3VDD+0.
3,VoltageonanydigitalpinV≤3.
9InputRFlevel10dBmStoragetemperaturerange–40125°CAllpads,accordingtohuman-bodymodel,JEDECSTD22,methodA1142kVESD(2)Accordingtocharged-devicemodel,JEDECSTD22,methodC101750V(1)StressesbeyondthoselistedunderAbsoluteMaximumRatingsmaycausepermanentdamagetothedevice.
Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderRecommendedOperatingConditionsisnotimplied.
Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.
(2)CAUTION:ESDsensitivedevice.
Precautionsshouldbeusedwhenhandingthedeviceinordertopreventpermanentdamage.
RECOMMENDEDOPERATINGCONDITIONSMINMAXUNITOperatingambienttemperaturerange,TA–4085°COperatingsupplyvoltage23.
6VELECTRICALCHARACTERISTICSMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°CandVDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNITPowermode1.
Digitalregulatoron;16-MHzRCOSCand32-MHzcrystaloscillatoroff;32.
768-kHzXOSC,POR,BODand235sleeptimeractive;RAMandregisterretentionPowermode2.
Digitalregulatoroff;16-MHzRCOSCand32-AMHzcrystaloscillatoroff;32.
768-kHzXOSC,POR,andsleep0.
9IcoreCorecurrentconsumptiontimeractive;RAMandregisterretentionPowermode3.
Digitalregulatoroff;noclocks;PORactive;0.
4RAMandregisterretentionLowMCUactivity:32-MHzXOSCrunning.
Noradioor6.
7mAperipherals.
Noflashaccess,noRAMaccess.
Timer1.
Timerrunning,32-MHzXOSCused90μATimer2.
Timerrunning,32-MHzXOSCused90μAPeripheralcurrentconsumptionTimer3.
Timerrunning,32-MHzXOSCused60μAIperi(AddstocorecurrentIcoreforeachTimer4.
Timerrunning,32-MHzXOSCused70μAperipheralunitactivated)Sleeptimer,including32.
753-kHzRCOSC0.
6μAADC,whenconverting1.
2mA4SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
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comSWRS084F–OCTOBER2010–REVISEDJUNE2013GENERALCHARACTERISTICSMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°CandVDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNITWAKE-UPANDTIMINGDigitalregulatoron,16-MHzRCOSCand32-MHzcrystalPowermode1→Active4μsoscillatoroff.
Start-upof16-MHzRCOSCDigitalregulatoroff,16-MHzRCOSCand32-MHzcrystalPowermode2or3→Active120μsoscillatoroff.
Start-upofregulatorand16-MHzRCOSCCrystalESR=16.
Initiallyrunningon16-MHzRCOSC,410μswith32-MHzXOSCOFFActive→TXorRXWith32-MHzXOSCinitiallyon160μsRX/TXturnaround150μsRADIOPARTRFfrequencyrangeProgrammablein2-MHzsteps24022480MHzDatarateandmodulationformat1Mbps,GFSK,250kHzdeviationRFRECEIVESECTIONMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°C,VDD=3V,fc=2440MHz1Mbps,GFSK,250-kHzdeviation,Bluetoothlowenergymode,and0.
1%BER(1)PARAMETERTESTCONDITIONSMINTYPMAXUNITReceiversensitivity(2)High-gainmode–93dBmReceiversensitivity(2)Standardmode–87dBmSaturation(3)6dBmCo-channelrejection(3)–5dBAdjacent-channelrejection(3)±1MHz–5dBAlternate-channelrejection(3)±2MHz30dBBlocking(3)–30dBmFrequencyerrortolerance(4)Includingbothinitialtoleranceanddrift–250250kHzSymbolrateerrortolerance(5)–8080ppmConductedmeasurementwitha50-Ωsingle-endedload.
Spuriousemission.
OnlylargestspuriousComplieswithEN300328,EN300440class2,FCCCFR47,–75dBmemissionstatedwithineachband.
Part15andARIBSTD-T-66RXmode,standardmode,noperipheralsactive,lowMCU19.
6activity,MCUat250kHzCurrentconsumptionmARXmode,high-gainmode,noperipheralsactive,lowMCU22.
1activity,MCUat250kHz(1)0.
1%BERmapsto30.
8%PER(2)ThereceiversensitivitysettingisprogrammableusingaTIBLEstackvendor-specificAPIcommand.
Thedefaultvalueisstandardmode.
(3)Resultsbasedonstandardgainmode(4)DifferencebetweencenterfrequencyofthereceivedRFsignalandlocaloscillatorfrequency(5)DifferencebetweenincomingsymbolrateandtheinternallygeneratedsymbolrateCopyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback5ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
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comRFTRANSMITSECTIONMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°C,VDD=3Vandfc=2440MHzPARAMETERTESTCONDITIONSMINTYPMAXUNITDeliveredtoasingle-ended50-Ωloadthroughabalunusing4maximumrecommendedoutputpowersettingOutputpowerdBmDeliveredtoasingle-ended50-Ωloadthroughabalunusingminimum–23recommendedoutputpowersettingProgrammableoutputpowerDeliveredtoasingle-ended50Ωloadthroughabalun27dBrangeConductedmeasurementwitha50-Ωsingle-endedload.
CompliesSpuriousemissionswithEN300328,EN300440class2,FCCCFR47,Part15andARIB–41dBmSTD-T-66(1)TXmode,–23-dBmoutputpower,noperipheralsactive,lowMCU21.
1activity,MCUat250kHzTXmode,–6-dBmoutputpower,noperipheralsactive,lowMCU23.
8activity,MCUat250kHzCurrentconsumptionmATXmode,0-dBmoutputpower,noperipheralsactive,lowMCU27activity,MCUat250kHzTXmode,4-dBmoutputpower,noperipheralsactive,lowMCU31.
6activity,MCUat250kHzDifferentialimpedanceasseenfromtheRFport(RF_PandRF_N)Optimumloadimpedance70+j30Ωtowardtheantenna(1)DesignswithantennaconnectorsthatrequireconductedETSIcomplianceat64MHzshouldinsertanLCresonatorinfrontoftheantennaconnector.
Usea1.
6-nHinductorinparallelwitha1.
8-pFcapacitor.
ConnectbothfromthesignaltracetoagoodRFground.
CURRENTCONSUMPTIONWITHTPS62730MeasuredonTexasInstrumentsCC2540TPS62730EMreferencedesignwithTA=25°C,VDD=3V,andfc=2440MHZ.
1Mbps,GFSK,250kHzdeviation,Bluetoothlowenergymode,1%BER(1)PARAMETERTESTCONDITIONSMINTYPMAXUNITRXmode,standardmode,noperipheralsactive,lowMCUactivity,MCUat115.
8MHZRXmode,high-gainmode,noperipheralsactive,lowMCUactivity,MCUat117.
8MHZTXmode,-23dBmoutputpower,noperipheralsactive,lowMCUactivity,16.
5MCUat1MHZCurrentConsumptionmATXmode,-6dBmoutputpower,noperipheralsactive,lowMCUactivity,18.
6MCUat1MHZTXmode,0dBmoutputpower,noperipheralsactive,lowMCUactivity,21MCUat1MHZTXmode,4dBmoutputpower,noperipheralsactive,lowMCUactivity,24.
6MCUat1MHZ(1)0.
1%BERmapsto30.
8%PER6SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
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comSWRS084F–OCTOBER2010–REVISEDJUNE201332-MHzCRYSTALOSCILLATORMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°CandVDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNITCrystalfrequency32MHzCrystalfrequencyaccuracy–4040ppmrequirement(1)ESREquivalentseriesresistance660C0Crystalshuntcapacitance17pFCLCrystalloadcapacitance1016pFStart-uptime0.
25msThecrystaloscillatormustbeinpowerdownforaguardtimebeforeitisusedagain.
ThisPower-downguardtimerequirementisvalidforallmodesofoperation.
The3msneedforpower-downguardtimecanvarywithcrystaltypeandload.
(1)Includingagingandtemperaturedependency,asspecifiedby[1]32.
768-kHzCRYSTALOSCILLATORMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°CandVDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNITCrystalfrequency32.
768kHzCrystalfrequencyaccuracy–4040ppmrequirement(1)ESREquivalentseriesresistance40130kC0Crystalshuntcapacitance0.
92pFCLCrystalloadcapacitance1216pFStart-uptime0.
4s(1)Includingagingandtemperaturedependency,asspecifiedby[1]32-kHzRCOSCILLATORMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTω=25°CandVDD=3V.
PARAMETERTESTCONDITIONSMINTYPMAXUNITCalibratedfrequency(1)32.
753kHzFrequencyaccuracyaftercalibration±0.
2%Temperaturecoefficient(2)0.
4%/°CSupply-voltagecoefficient(3)3%/VCalibrationtime(4)2ms(1)Thecalibrated32-kHzRCoscillatorfrequencyisthe32-MHzXTALfrequencydividedby977.
(2)Frequencydriftwhentemperaturechangesaftercalibration(3)Frequencydriftwhensupplyvoltagechangesaftercalibration(4)Whenthe32-kHzRCoscillatorisenabled,itiscalibratedwhenaswitchfromthe16-MHzRCoscillatortothe32-MHzcrystaloscillatorisperformedwhileSLEEPCMD.
OSC32K_CALDISissetto0.
Copyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback7ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
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com16-MHzRCOSCILLATORMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°CandVDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNITFrequency(1)16MHzUncalibratedfrequencyaccuracy±18%Calibratedfrequencyaccuracy±0.
6%Start-uptime10μsInitialcalibrationtime(2)50μs(1)Thecalibrated16-MHzRCoscillatorfrequencyisthe32-MHzXTALfrequencydividedby2.
(2)Whenthe16-MHzRCoscillatorisenabled,itiscalibratedwhenaswitchfromthe16-MHzRCoscillatortothe32-MHzcrystaloscillatorisperformedwhileSLEEPCMD.
OSC_PDissetto0.
RSSICHARACTERISTICSMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°CandVDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNITHigh-gainmode–99to–44UsefulRSSIrange(1)dBmStandardmode–90to–35AbsoluteuncalibratedRSSIaccuracy(1)High-gainmode±4dBStepsize(LSBvalue)1dB(1)AssumingCC2540EMreferencedesign.
OtherRFdesignsgiveanoffsetfromthereportedvalue.
FREQUENCYSYNTHESIZERCHARACTERISTICSMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°C,VDD=3Vandfc=2440MHzPARAMETERTESTCONDITIONSMINTYPMAXUNITAt±1-MHzoffsetfromcarrier–109Phasenoise,unmodulatedAt±3-MHzoffsetfromcarrier–112dBc/HzcarrierAt±5-MHzoffsetfromcarrier–119ANALOGTEMPERATURESENSORMeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°CandVDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNITOutput148012-bitTemperaturecoefficient4.
5/1°CVoltagecoefficient1/0.
1VMeasuredusingintegratedADC,internalband-gapvoltagereference,andmaximumresolutionInitialaccuracywithoutcalibration±10°CAccuracyusing1-pointcalibration±5°CCurrentconsumptionwhenenabled0.
5mA8SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
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comSWRS084F–OCTOBER2010–REVISEDJUNE2013OP-AMPCHARACTERISTICSTA=25°C,VDD=3V,.
AllmeasurementresultsareobtainedusingtheCC2540referencedesignspost-calibration.
PARAMETERTESTCONDITIONSMINTYPMAXUNITChoppingConfiguration,RegisterAPCFG=0x07,OPAMPMC=0x03,OPAMPC=0x01OutputmaximumvoltageVDD–0.
1VOutputminimumvoltage0.
1VOpen-loopgain108dBGain-bandwidthproduct2MHzSlewrate2.
6V/μsInputmaximumvoltageVDDVIntputminimumvoltage0mVInputoffsetvoltage40μVCMRRCommon-moderejectionratio90dBSupplycurrent0.
4mAf=0.
01Hzto1Hz1.
1InputnoisevoltagenV/√(Hz)f=0.
1Hzto10Hz1.
7Non-ChoppingConfiguration,RegisterAPCFG=0x07,OPAMPMC=0x00,OPAMPC=0x01OutputmaximumvoltageVDD–0.
1VOutputminimumvoltage0.
1VOpen-loopgain108dBGain-bandwidthproduct2MHzSlewrate2.
6V/μsInputmaximumvoltageVDDVIntputminimumvoltage0mVInputoffsetvoltage3.
2mVCMRRCommon-moderejectionratio90dBSupplycurrent0.
4mAf=0.
01Hzto1Hz60InputnoisevoltagenV/√(Hz)f=0.
1Hzto10Hz65COMPARATORCHARACTERISTICSTA=25°C,VDD=3V.
AllmeasurementresultsareobtainedusingtheCC2540referencedesigns,post-calibration.
PARAMETERTESTCONDITIONSMINTYPMAXUNITCommon-modemaximumvoltageVDDVCommon-modeminimumvoltage–0.
3Inputoffsetvoltage1mVOffsetvstemperature16V/°COffsetvsoperatingvoltage4mV/VSupplycurrent230nAHysteresis0.
15mVCopyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback9ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
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comADCCHARACTERISTICSTA=25°CandVDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNITInputvoltageVDDisvoltageonAVDD5pin0VDDVExternalreferencevoltageVDDisvoltageonAVDD5pin0VDDVExternalreferencevoltagedifferentialVDDisvoltageonAVDD5pin0VDDVInputresistance,signalSimulatedusing4-MHzclockspeed197kFull-scalesignal(1)Peak-to-peak,defines0dBFS2.
97VSingle-endedinput,7-bitsetting5.
7Single-endedinput,9-bitsetting7.
5Single-endedinput,10-bitsetting9.
3Single-endedinput,12-bitsetting10.
3Differentialinput,7-bitsetting6.
5ENOB(1)EffectivenumberofbitsbitsDifferentialinput,9-bitsetting8.
3Differentialinput,10-bitsetting10Differentialinput,12-bitsetting11.
510-bitsetting,clockedbyRCOSC9.
712-bitsetting,clockedbyRCOSC10.
9Usefulpowerbandwidth7-bitsetting,bothsingleanddifferential0–20kHzSingleendedinput,12-bitsetting,–6–75.
2dBFS(1)THDTotalharmonicdistortiondBDifferentialinput,12-bitsetting,–6–86.
6dBFS(1)Single-endedinput,12-bitsetting(1)70.
2Differentialinput,12-bitsetting(1)79.
3Single-endedinput,12-bitsetting,–6SignaltononharmonicratiodB78.
8dBFS(1)Differentialinput,12-bitsetting,–688.
9dBFS(1)Differentialinput,12-bitsetting,1-kHzCMRRCommon-moderejectionratio>84dBsine(0dBFS),limitedbyADCresolutionSingleendedinput,12-bitsetting,1-kHzCrosstalk>84dBsine(0dBFS),limitedbyADCresolutionOffsetMidscale–3mVGainerror0.
68%12-bitsetting,mean(1)0.
05DNLDifferentialnonlinearityLSB12-bitsetting,maximum(1)0.
912-bitsetting,mean(1)4.
612-bitsetting,maximum(1)13.
3INLIntegralnonlinearityLSB12-bitsetting,mean,clockedbyRCOSC1012-bitsetting,max,clockedbyRCOSC29Singleendedinput,7-bitsetting(1)35.
4Singleendedinput,9-bitsetting(1)46.
8Singleendedinput,10-bitsetting(1)57.
5Singleendedinput,12-bitsetting(1)66.
6SINADSignal-to-noise-and-distortiondB(–THD+N)Differentialinput,7-bitsetting(1)40.
7Differentialinput,9-bitsetting(1)51.
6Differentialinput,10-bitsetting(1)61.
8Differentialinput,12-bitsetting(1)70.
8(1)Measuredwith300-Hzsine-waveinputandVDDasreference.
10SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
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comSWRS084F–OCTOBER2010–REVISEDJUNE2013ADCCHARACTERISTICS(continued)TA=25°CandVDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNIT7-bitsetting209-bitsetting36Conversiontimeμs10-bitsetting6812-bitsetting132Powerconsumption1.
2mAInternalreferenceVDDcoefficient4mV/VInternalreferencetemperaturecoefficient0.
4mV/10°CInternalreferencevoltage1.
24VCONTROLINPUTACCHARACTERISTICSTA=–40°Cto85°C,VDD=2Vto3.
6V.
PARAMETERTESTCONDITIONSMINTYPMAXUNITTheundividedsystemclockis32MHzwhencrystaloscillatorisused.
Systemclock,fSYSCLKTheundividedsystemclockis16MHzwhencalibrated16-MHzRC1632MHztSYSCLK=1/fSYSCLKoscillatorisused.
Seeitem1,Figure1.
Thisistheshortestpulsethatisrecognizedasacompleteresetpinrequest.
NotethatshorterpulsesmaybeRESET_Nlowduration1srecognizedbutdonotleadtocompleteresetofallmoduleswithinthechip.
Seeitem2,Figure1.
ThisistheshortestpulsethatisrecognizedasInterruptpulseduration20nsaninterruptrequest.
Figure1.
ControlInputACCharacteristicsCopyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback11ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
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comSPIACCHARACTERISTICSTA=–40°Cto85°C,VDD=2Vto3.
6VPARAMETERTESTCONDITIONSMINTYPMAXUNITMaster,RXandTX250t1SCKperiodnsSlave,RXandTX250SCKdutycycleMaster50%Master63t2SSNlowtoSCKnsSlave63Master63t3SCKtoSSNhighnsSlave63t4MOSIearlyoutMaster,load=10pF7nst5MOSIlateoutMaster,load=10pF10nst6MISOsetupMaster90nst7MISOholdMaster10nsSCKdutycycleSlave50%nst10MOSIsetupSlave35nst11MOSIholdSlave10nst9MISOlateoutSlave,load=10pF95nsMaster,TXonly8Master,RXandTX4OperatingfrequencyMHzSlave,RXonly8Slave,RXandTX4Figure2.
SPIMasterACCharacteristics12SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
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comSWRS084F–OCTOBER2010–REVISEDJUNE2013Figure3.
SPISlaveACCharacteristicsCopyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback13ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
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comDEBUGINTERFACEACCHARACTERISTICSTA=–40°Cto85°C,VDD=2Vto3.
6VPARAMETERTESTCONDITIONSMINTYPMAXUNITfclk_dbgDebugclockfrequency(seeFigure4)12MHzt1Allowedhighpulseonclock(seeFigure4)35nst2Allowedlowpulseonclock(seeFigure4)35nsEXT_RESET_Nlowtofirstfallingedgeondebugt3167nsclock(seeFigure6)FallingedgeonclocktoEXT_RESET_Nhigh(seet483nsFigure6)EXT_RESET_Nhightofirstdebugcommand(seet583nsFigure6)t6Debugdatasetup(seeFigure5)2nst7Debugdatahold(seeFigure5)4nst8Clock-to-datadelay(seeFigure5)Load=10pF30nsFigure4.
DebugClock–BasicTimingFigure5.
DebugEnableTiming14SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
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comSWRS084F–OCTOBER2010–REVISEDJUNE2013Figure6.
DataSetupandHoldTimingTIMERINPUTSACCHARACTERISTICSTA=–40°Cto85°C,VDD=2Vto3.
6VPARAMETERTESTCONDITIONSMINTYPMAXUNITSynchronizersdeterminetheshortestinputpulsethatcanbeInputcapturepulsedurationrecognized.
Thesynchronizersoperateatthecurrentsystemclockrate1.
5tSYSCLK(16MHzor32MHz).
DCCHARACTERISTICSTA=25°C,VDD=3VPARAMETERTESTCONDITIONSMINTYPMAXUNITLogic-0inputvoltage0.
5VLogic-1inputvoltage2.
5VLogic-0inputcurrentInputequals0V–5050nALogic-1inputcurrentInputequalsVDD–5050nAI/O-pinpullupandpulldownresistors20kLogic-0outputvoltage,4-mApinsOutputload4mA0.
5VLogic-1outputvoltage,4-mApinsOutputload4mA2.
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comDEVICEINFORMATIONPINDESCRIPTIONSTheCC2540pinoutisshowninFigure7andashortdescriptionofthepinsfollows.
NOTE:Theexposedgroundpadmustbeconnectedtoasolidgroundplane,asthisisthegroundconnectionforthechip.
Figure7.
PinoutTopView16SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
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comSWRS084F–OCTOBER2010–REVISEDJUNE2013PINDESCRIPTIONSPINNAMEPINPINTYPEDESCRIPTIONAVDD128Power(analog)2-V–3.
6-Vanalogpower-supplyconnectionAVDD227Power(analog)2-V–3.
6-Vanalogpower-supplyconnectionAVDD324Power(analog)2-V–3.
6-Vanalogpower-supplyconnectionAVDD429Power(analog)2-V–3.
6-Vanalogpower-supplyconnectionAVDD521Power(analog)2-V–3.
6-Vanalogpower-supplyconnectionAVDD631Power(analog)2-V–3.
6-Vanalogpower-supplyconnectionDCOUPL40Power(digital)1.
8-Vdigitalpower-supplydecoupling.
Donotuseforsupplyingexternalcircuits.
DGND_USB1GroundpinConnecttoGNDDVDD_USB4Power(digital)2-V–3.
6-Vdigitalpower-supplyconnectionDVDD139Power(digital)2-V–3.
6-Vdigitalpower-supplyconnectionDVDD210Power(digital)2-V–3.
6-Vdigitalpower-supplyconnectionGND—GroundThegroundpadmustbeconnectedtoasolidgroundplane.
P0_019DigitalI/OPort0.
0P0_118DigitalI/OPort0.
1P0_217DigitalI/OPort0.
2P0_316DigitalI/OPort0.
3P0_415DigitalI/OPort0.
4P0_514DigitalI/OPort0.
5P0_613DigitalI/OPort0.
6P0_712DigitalI/OPort0.
7P1_011DigitalI/OPort1.
0–20-mAdrivecapabilityP1_19DigitalI/OPort1.
1–20-mAdrivecapabilityP1_28DigitalI/OPort1.
2P1_37DigitalI/OPort1.
3P1_46DigitalI/OPort1.
4P1_55DigitalI/OPort1.
5P1_638DigitalI/OPort1.
6P1_737DigitalI/OPort1.
7P2_036DigitalI/OPort2.
0P2_135DigitalI/OPort2.
1P2_234DigitalI/OPort2.
2P2_3/33DigitalI/O,Port2.
3/32.
768kHzXOSCXOSC32K_Q2AnalogI/OP2_4/32DigitalI/O,Port2.
4/32.
768kHzXOSCXOSC32K_Q1AnalogI/ORBIAS30AnalogI/OExternalprecisionbiasresistorforreferencecurrentRESET_N20DigitalinputReset,active-lowRF_N26RFI/ONegativeRFinputsignaltoLNAduringRXNegativeRFoutputsignalfromPAduringTXRF_P25RFI/OPositiveRFinputsignaltoLNAduringRXPositiveRFoutputsignalfromPAduringTXUSB_N3DigitalI/OUSBNUSB_P2DigitalI/OUSBPXOSC_Q122AnalogI/O32-MHzcrystaloscillatorpin1orexternal-clockinputXOSC_Q223AnalogI/O32-MHzcrystaloscillatorpin2Copyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback17ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
ti.
comBLOCKDIAGRAMAblockdiagramoftheCC2540isshowninFigure8.
Themodulescanberoughlydividedintooneofthreecategories:CPU-relatedmodules;modulesrelatedtopower,test,andclockdistribution;andradio-relatedmodules.
Inthefollowingsubsections,ashortdescriptionofeachmoduleisgiven.
Figure8.
CC2540BlockDiagram18SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
ti.
comSWRS084F–OCTOBER2010–REVISEDJUNE2013BLOCKDESCRIPTIONSCPUandMemoryThe8051CPUcoreisasingle-cycle8051-compatiblecore.
Ithasthreedifferentmemoryaccessbusses(SFR,DATA,andCODE/XDATA),adebuginterface,andan18-inputextendedinterruptunit.
Thememoryarbiterisattheheartofthesystem,asitconnectstheCPUandDMAcontrollerwiththephysicalmemoriesandallperipheralsthroughtheSFRbus.
Thememoryarbiterhasfourmemory-accesspoints,accessofwhichcanmaptooneofthreephysicalmemories:anSRAM,flashmemory,andXREG/SFRregisters.
Itisresponsibleforperformingarbitrationandsequencingbetweensimultaneousmemoryaccessestothesamephysicalmemory.
TheSFRbusisdrawnconceptuallyinFigure8asacommonbusthatconnectsallhardwareperipheralstothememoryarbiter.
TheSFRbusintheblockdiagramalsoprovidesaccesstotheradioregistersintheradioregisterbank,eventhoughtheseareindeedmappedintoXDATAmemoryspace.
The8-KBSRAMmapstotheDATAmemoryspaceandtopartsoftheXDATAmemoryspaces.
TheSRAMisanultralow-powerSRAMthatretainsitscontentsevenwhenthedigitalpartispoweredoff(powermodes2and3).
The128/256KBflashblockprovidesin-circuitprogrammablenon-volatileprogrammemoryforthedevice,andmapsintotheCODEandXDATAmemoryspaces.
PeripheralsWritingtotheflashblockisperformedthroughaflashcontrollerthatallowspage-wiseerasureand4-bytewiseprogramming.
SeeUserGuidefordetailsontheflashcontroller.
Aversatilefive-channelDMAcontrollerisavailableinthesystem,accessesmemoryusingtheXDATAmemoryspace,andthushasaccesstoallphysicalmemories.
Eachchannel(trigger,priority,transfermode,addressingmode,sourceanddestinationpointers,andtransfercount)isconfiguredwithDMAdescriptorsthatcanbelocatedanywhereinmemory.
Manyofthehardwareperipherals(AEScore,flashcontroller,USARTs,timers,ADCinterface,etc.
)canbeusedwiththeDMAcontrollerforefficientoperationbyperformingdatatransfersbetweenasingleSFRorXREGaddressandflash/SRAM.
EachCC2540containsaunique48-bitIEEEaddressthatcanbeusedasthepublicdeviceaddressforaBluetoothdevice.
Designersarefreetousethisaddress,orprovidetheirown,asdescribedintheBluetoothspecfication.
Theinterruptcontrollerservicesatotalof18interruptsources,dividedintosixinterruptgroups,eachofwhichisassociatedwithoneoffourinterruptpriorities.
I/Oandsleeptimerinterruptrequestsareservicedevenifthedeviceisinasleepmode(powermodes1and2)bybringingtheCC2540backtotheactivemode.
Thedebuginterfaceimplementsaproprietarytwo-wireserialinterfacethatisusedforin-circuitdebugging.
Throughthisdebuginterface,itispossibletoeraseorprogramtheentireflashmemory,controlwhichoscillatorsareenabled,stopandstartexecutionoftheuserprogram,executeinstructionsonthe8051core,setcodebreakpoints,andsingle-stepthroughinstructionsinthecode.
Usingthesetechniques,itispossibletoperformin-circuitdebuggingandexternalflashprogrammingelegantly.
TheI/Ocontrollerisresponsibleforallgeneral-purposeI/Opins.
TheCPUcanconfigurewhetherperipheralmodulescontrolcertainpinsorwhethertheyareundersoftwarecontrol,andifso,whethereachpinisconfiguredasaninputoroutputandifapulluporpulldownresistorinthepadisconnected.
EachperipheralthatconnectstotheI/OpinscanchoosebetweentwodifferentI/Opinlocationstoensureflexibilityinvariousapplications.
Thesleeptimerisanultralow-powertimerthatcaneitheruseanexternal32.
768-kHzcrystaloscillatororaninternal32.
753-kHzRCoscillator.
Thesleeptimerrunscontinuouslyinalloperatingmodesexceptpowermode3.
Typicalapplicationsofthistimerareasareal-timecounterorasawake-uptimertogetoutofpowermodes1or2.
Abuilt-inwatchdogtimerallowstheCC2540toresetitselfifthefirmwarehangs.
Whenenabledbysoftware,thewatchdogtimermustbeclearedperiodically;otherwise,itresetsthedevicewhenittimesout.
Copyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback19ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
ti.
comTimer1isa16-bittimerwithtimer/counter/PWMfunctionality.
Ithasaprogrammableprescaler,a16-bitperiodvalue,andfiveindividuallyprogrammablecounter/capturechannels,eachwitha16-bitcomparevalue.
Eachofthecounter/capturechannelscanbeusedasaPWMoutputortocapturethetimingofedgesoninputsignals.
ItcanalsobeconfiguredinIRgenerationmode,whereitcountstimer3periodsandtheoutputisANDedwiththeoutputoftimer3togeneratemodulatedconsumerIRsignalswithminimalCPUinteraction.
Timer2isa40-bittimerusedbytheBluetoothlowenergystack.
Ithasa16-bitcounterwithaconfigurabletimerperiodanda24-bitoverflowcounterthatcanbeusedtokeeptrackofthenumberofperiodsthathavetranspired.
A40-bitcaptureregisterisalsousedtorecordtheexacttimeatwhichastart-of-framedelimiterisreceived/transmittedortheexacttimeatwhichtransmissionends.
Therearetwo16-bittimer-compareregistersandtwo24-bitoverflow-compareregistersthatcanbeusedtogiveexacttimingforstartofRXorTXtotheradioorgeneralinterrupts.
Timer3andtimer4are8-bittimerswithtimer/counter/PWMfunctionality.
Theyhaveaprogrammableprescaler,an8-bitperiodvalue,andoneprogrammablecounterchannelwithan8-bitcomparevalue.
EachofthecounterchannelscanbeusedasPWMoutput.
USART0andUSART1areeachconfigurableaseitheranSPImaster/slaveoraUART.
TheyprovidedoublebufferingonbothRXandTXandhardwareflowcontrolandarethuswellsuitedtohigh-throughputfull-duplexapplications.
EachUSARThasitsownhigh-precisionbaud-rategenerator,thusleavingtheordinarytimersfreeforotheruses.
WhenconfiguredasSPIslaves,theUSARTssampletheinputsignalusingSCKdirectlyinsteadofusingsomeoversamplingscheme,andarethuswell-suitedforhighdatarates.
TheAESencryption/decryptioncoreallowstheusertoencryptanddecryptdatausingtheAESalgorithmwith128-bitkeys.
TheAEScorealsosupportsECB,CBC,CFB,OFB,CTR,andCBC-MAC,aswellashardwaresupportforCCM.
TheADCsupports7to12bitsofresolutionwithacorrespondingrangeofbandwidthsfrom30-kHzto4-kHz,respectively.
DCandaudioconversionswithuptoeightinputchannels(I/Ocontrollerpins)arepossible.
Theinputscanbeselectedassingle-endedordifferential.
Thereferencevoltagecanbeinternal,AVDD,orasingle-endedordifferentialexternalsignal.
TheADCalsohasatemperature-sensorinputchannel.
TheADCcanautomatetheprocessofperiodicsamplingorconversionoverasequenceofchannels.
Theoperationalamplifierisintendedtoprovidefront-endbufferingandgainfortheADC.
Bothinputsaswellastheoutputareavailableonpins,sothefeedbacknetworkisfullycustomizable.
Achopper-stabilizedmodeisavailableforapplicationsthatneedgoodaccuracywithhighgain.
Theultralow-poweranalogcomparatorenablesapplicationstowakeupfromPM2orPM3basedonananalogsignal.
Bothinputsarebroughtouttopins;thereferencevoltagemustbeprovidedexternally.
ThecomparatoroutputisconnectedtotheI/OcontrollerinterruptdetectorandcanbetreatedbytheMCUasaregularI/Opininterrupt.
20SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
ti.
comSWRS084F–OCTOBER2010–REVISEDJUNE2013TYPICALCHARACTERISTICSRXCURRENTINWAITFORSYNCTXCURRENTvsvsTEMPERATURETEMPERATUREFigure9.
Figure10.
RXSENSITIVITYTXPOWERvsvsTEMPERATURETEMPERATUREFigure11.
Figure12.
RXCURRENTINWAITFORSYNCTXCURRENTvsvsSUPPLYVOLTAGESUPPLYVOLTAGEFigure13.
Figure14.
Copyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback21ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
ti.
comTYPICALCHARACTERISTICS(continued)RXSENSITIVITYTXPOWERvsvsSUPPLYVOLTAGESUPPLYVOLTAGEFigure15.
Figure16.
RXSENSITIVITYRXINTERFERERREJECTION(SELECTIVITY)vsvsFREQUENCYINTERFERERFREQUENCYFigure17.
Figure18.
TXPOWERvsFREQUENCYFigure19.
22SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
ti.
comSWRS084F–OCTOBER2010–REVISEDJUNE2013TYPICALCHARACTERISTICS(continued)Table1.
OutputPowerandCurrentConsumption(1)(2)TypicalCurrentConsumptionWithTypicalOutputPower(dBm)TypicalCurrentConsumption(mA)TPS62730(mA)43224.
602721–62418.
5–232116.
5(1)MeasuredonTexasInstrumentsCC2540EMreferencedesignwithTA=25°C,VDD=3Vandfc=2440MHz.
SeeSWRU191forrecommendedregistersettings(2)MeasuredonTexasInstrumentsCC2540TPS62730EMreferencedesignwithTA=25°C,VDD=3Vandfc=2440MHz.
SeeSWRU191forrecommendedregistersettingsTYPICALCURRENTSAVINGSFigure20.
CurrentSavingsinTXatRoomTemperatureFigure21.
CurrentSavingsinRXatRoomTemperatureTheapplicationnote(SWRA365)hasinformationregardingtheCC2540andTPS62730comoboardandthecurrentsavingsthatcanbeachievedusingthecomoboard.
Copyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback23ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
ti.
comAPPLICATIONINFORMATIONFewexternalcomponentsarerequiredfortheoperationoftheCC2540.
AtypicalapplicationcircuitisshowninFigure22.
(1)32-kHzcrystalismandatorywhenrunningthechipinlow-powermodes,exceptifthelinklayerisinthestandbystate(Vol.
6PartBSection1.
1in[1]).
NOTE:Differentantennaalternativeswillbeprovidedasreferencedesigns.
Figure22.
CC2540ApplicationCircuitTable2.
OverviewofExternalComponents(ExcludingSupplyDecouplingCapacitors)ComponentDescriptionValueC22132-MHzxtalloadingcapacitor12pFC23132-MHzxtalloadingcapacitor12pFC251PartoftheRFmatchingnetwork18pFC252PartoftheRFmatchingnetwork1pFC253PartoftheRFmatchingnetwork1pFC261PartoftheRFmatchingnetwork18pFC262PartoftheRFmatchingnetwork1pFC32132-kHzxtalloadingcapacitor15pFC33132-kHzxtalloadingcapacitor15pF24SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
ti.
comSWRS084F–OCTOBER2010–REVISEDJUNE2013Table2.
OverviewofExternalComponents(ExcludingSupplyDecouplingCapacitors)(continued)ComponentDescriptionValueC401Decouplingcapacitorfortheinternaldigitalregulator1FL251PartoftheRFmatchingnetwork2nHL252PartoftheRFmatchingnetwork1nHL253PartoftheRFmatchingnetwork3nHL261PartoftheRFmatchingnetwork2nHR301Resistorusedforinternalbiasing56kInput/OutputMatchingWhenusinganunbalancedantennasuchasamonopole,abalunshouldbeusedtooptimizeperformance.
Thebaluncanbeimplementedusinglow-costdiscreteinductorsandcapacitors.
TherecommendedbalunshownconsistsofC262,L261,C252,andL252.
CrystalAnexternal32-MHzcrystal,XTAL1,withtwoloadingcapacitors(C221andC231)isusedforthe32-MHzcrystaloscillator.
See32-MHzCRYSTALOSCILLATORfordetails.
Theloadcapacitanceseenbythe32-MHzcrystalisgivenby:(1)XTAL2isanoptional32.
768-kHzcrystal,withtwoloadingcapacitors(C321andC331)usedforthe32.
768-kHzcrystaloscillator.
The32.
768-kHzcrystaloscillatorisusedinapplicationswherebothverylowsleep-currentconsumptionandaccuratewake-uptimesareneeded.
Theloadcapacitanceseenbythe32.
768-kHzcrystalisgivenby:(2)AseriesresistormaybeusedtocomplywiththeESRrequirement.
On-Chip1.
8-VVoltageRegulatorDecouplingThe1.
8-Von-chipvoltageregulatorsuppliesthe1.
8-Vdigitallogic.
Thisregulatorrequiresadecouplingcapacitor(C401)forstableoperation.
Power-SupplyDecouplingandFilteringProperpower-supplydecouplingmustbeusedforoptimumperformance.
Theplacementandsizeofthedecouplingcapacitorsandthepowersupplyfilteringareveryimportanttoachievethebestperformanceinanapplication.
TIprovidesacompactreferencedesignthatshouldbefollowedveryclosely.
References1.
BluetoothCoreTechnicalSpecificationdocument,version4.
0http://www.
bluetooth.
com/SiteCollectionDocuments/Core_V40.
zip2.
CC253xSystem-on-ChipSolutionfor2.
4-GHzIEEE802.
15.
4andZigBeeApplications/CC2540System-on-ChipSolutionfor2.
4-GHzBluetoothlowenergyApplications(SWRU191)3.
CurrentSavingsinCC254xUsingtheTPS62730(SWRA365)Copyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback25ProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256SWRS084F–OCTOBER2010–REVISEDJUNE2013www.
ti.
comAdditionalInformationTexasInstrumentsoffersawideselectionofcost-effective,low-powerRFsolutionsforproprietaryandstandard-basedwirelessapplicationsforuseinindustrialandconsumerapplications.
OurselectionincludesRFtransceivers,RFtransmitters,RFfrontends,andSystem-on-Chipsaswellasvarioussoftwaresolutionsforthesub-1-and2.
4-GHzfrequencybands.
Inaddition,TexasInstrumentsprovidesalargeselectionofsupportcollateralsuchasdevelopmenttools,technicaldocumentation,referencedesigns,applicationexpertise,customersupport,third-partyanduniversityprograms.
TheLow-PowerRFE2EOnlineCommunityprovidestechnicalsupportforums,videosandblogs,andthechancetointeractwithfellowengineersfromallovertheworld.
Withabroadselectionofproductsolutions,endapplicationpossibilities,andarangeoftechnicalsupport,TexasInstrumentsoffersthebroadestlow-powerRFportfolio.
WemakeRFeasy!
Thefollowingsubsectionspointtowheretofindmoreinformation.
TexasInstrumentsLow-PowerRFWebSiteForums,videos,andblogsRFdesignhelpE2EinteractionJoinustodayatwww.
ti.
com/lprf-forum.
TexasInstrumentsLow-PowerRFDeveloperNetworkTexasInstrumentshaslaunchedanextensivenetworkoflow-powerRFdevelopmentpartnerstohelpcustomersspeeduptheirapplicationdevelopment.
Thenetworkconsistsofrecommendedcompanies,RFconsultants,andindependentdesignhousesthatprovideaseriesofhardwaremoduleproductsanddesignservices,including:RFcircuit,low-powerRF,andZigBeedesignservicesLow-powerRFandZigBeemodulesolutionsanddevelopmenttoolsRFcertificationservicesandRFcircuitmanufacturingNeedhelpwithmodules,engineeringservicesordevelopmenttoolsSearchtheLow-PowerRFDeveloperNetworktooltofindasuitablepartner.
www.
ti.
com/lprfnetworkLow-PowerRFeNewsletterTheLow-PowerRFeNewsletterkeepstheuserup-to-dateonnewproducts,newsreleases,developers'news,andothernewsandeventsassociatedwithlow-powerRFproductsfromTI.
TheLow-PowerRFeNewsletterarticlesincludelinkstogetmoreonlineinformation.
Signuptodayonwww.
ti.
com/lprfnewsletter26SubmitDocumentationFeedbackCopyright2010–2013,TexasInstrumentsIncorporatedProductFolderLinks:CC2540F128CC2540F256CC2540F128,CC2540F256www.
ti.
comSWRS084F–OCTOBER2010–REVISEDJUNE2013REVISIONHISTORYChangesfromRevisionOriginal(October2010)toRevisionAPageChangedseveralitemsinFeatureslist1Changedupperlimitofstoragetemperaturerange4ChangedESDratingforcharged-devicemodel4Changedadjacent-channelrejectionfrom5dBto–5dB5ChangesfromRevisionA(May2011)toRevisionBPageAddedtheTPS62730CompatibleFeaturesList1AddedtheCC2540WITHTPS62730Applications2AddedCURRENTCONSUMPTIONWITHTPS62730characteristics6ChangedTable123AddedtheTYPICALCURRENTSAVINGSsection23ChangesfromRevisionB(July2011)toRevisionCPageChangedonpage2,underCC2540.
.
.
item2fromApplicationRunTimetoBatteryLifetime2Correctedblockdiagram3IntheOP-AMPCHARACTERISTICStable,changedseveralvaluesintheTYPcolumn9ChangesfromRevisionC(November2011)toRevisionDPageChangedtheTemperaturecoefficientUnitvalueFrom:mV/°CTo:/0.
1°C8ChangedFigure22textFrom:Optional32-kHzCrystalTo:32-kHzCrystal24ChangesfromRevisionD(August2012)toRevisionEPageChangedthe"Internalreferencevoltage"TYPvalueFrom1.
15VTo:1.
24V11ChangesfromRevisionE(November2012)toRevisionFPageChangedtheRFTRANSMITSECTION,OutputpowerTYPvalueFrom:–20To:–236ChangedtheRFTRANSMITSECTION,ProgrammableoutputpowerrangeTYPvalueFrom:24To:276Copyright2010–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback27ProductFolderLinks:CC2540F128CC2540F256PACKAGEOPTIONADDENDUMwww.
ti.
com10-Dec-2020Addendum-Page1PACKAGINGINFORMATIONOrderableDeviceStatus(1)PackageTypePackageDrawingPinsPackageQtyEcoPlan(2)Leadfinish/Ballmaterial(6)MSLPeakTemp(3)OpTemp(°C)DeviceMarking(4/5)SamplesCC2540F128RHARACTIVEVQFNRHA402500RoHS&GreenNIPDAU|NIPDAUAGLevel-3-260C-168HR-40to85CC2540F128CC2540F128RHATACTIVEVQFNRHA40250RoHS&GreenNIPDAU|NIPDAUAGLevel-3-260C-168HR-40to85CC2540F128CC2540F256RHARACTIVEVQFNRHA402500RoHS&GreenNIPDAU|NIPDAUAGLevel-3-260C-168HR-40to85CC2540F256CC2540F256RHATACTIVEVQFNRHA40250RoHS&GreenNIPDAU|NIPDAUAGLevel-3-260C-168HR-40to85CC2540F256(1)Themarketingstatusvaluesaredefinedasfollows:ACTIVE:Productdevicerecommendedfornewdesigns.
LIFEBUY:TIhasannouncedthatthedevicewillbediscontinued,andalifetime-buyperiodisineffect.
NRND:Notrecommendedfornewdesigns.
Deviceisinproductiontosupportexistingcustomers,butTIdoesnotrecommendusingthispartinanewdesign.
PREVIEW:Devicehasbeenannouncedbutisnotinproduction.
Samplesmayormaynotbeavailable.
OBSOLETE:TIhasdiscontinuedtheproductionofthedevice.
(2)RoHS:TIdefines"RoHS"tomeansemiconductorproductsthatarecompliantwiththecurrentEURoHSrequirementsforall10RoHSsubstances,includingtherequirementthatRoHSsubstancedonotexceed0.
1%byweightinhomogeneousmaterials.
Wheredesignedtobesolderedathightemperatures,"RoHS"productsaresuitableforuseinspecifiedlead-freeprocesses.
TImayreferencethesetypesofproductsas"Pb-Free".
RoHSExempt:TIdefines"RoHSExempt"tomeanproductsthatcontainleadbutarecompliantwithEURoHSpursuanttoaspecificEURoHSexemption.
Green:TIdefines"Green"tomeanthecontentofChlorine(Cl)andBromine(Br)basedflameretardantsmeetJS709BlowhalogenrequirementsofccordingtotheJEDECindustrystandardclassifications,andpeaksoldertemperature.
(4)Theremaybeadditionalmarking,whichrelatestothelogo,thelottracecodeinformation,ortheenvironmentalcategoryonthedevice.
(5)MultipleDeviceMarkingswillbeinsideparentheses.
OnlyoneDeviceMarkingcontainedinparenthesesandseparatedbya"~"willappearonadevice.
IfalineisindentedthenitisacontinuationofthepreviouslineandthetwocombinedrepresenttheentireDeviceMarkingforthatdevice.
(6)Leadfinish/Ballmaterial-OrderableDevicesmayhavemultiplematerialfinishoptions.
Finishoptionsareseparatedbyaverticalruledline.
Leadfinish/Ballmaterialvaluesmaywraptotwolinesifthefinishvalueexceedsthemaximumcolumnwidth.
ImportantInformationandDisclaimer:TheinformationprovidedonthispagerepresentsTI'sknowledgeandbeliefasofthedatethatitisprovided.
TIbasesitsknowledgeandbeliefoninformationprovidedbythirdparties,andmakesnorepresentationorwarrantyastotheaccuracyofsuchinformation.
Effortsareunderwaytobetterintegrateinformationfromthirdparties.
TIhastakenandPACKAGEOPTIONADDENDUMwww.
ti.
com10-Dec-2020Addendum-Page2continuestotakereasonablestepstoproviderepresentativeandaccurateinformationbutmaynothaveconducteddestructivetestingorchemicalanalysisonincomingmaterialsandchemicals.
TIandTIsuppliersconsidercertaininformationtobeproprietary,andthusCASnumbersandotherlimitedinformationmaynotbeavailableforrelease.
InnoeventshallTI'sliabilityarisingoutofsuchinformationexceedthetotalpurchasepriceoftheTIpart(s)atissueinthisdocumentsoldbyTItoCustomeronanannualbasis.
IMPORTANTNOTICEANDDISCLAIMERTIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCEDESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES"ASIS"ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANYIMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRDPARTYINTELLECTUALPROPERTYRIGHTS.
TheseresourcesareintendedforskilleddevelopersdesigningwithTIproducts.
Youaresolelyresponsiblefor(1)selectingtheappropriateTIproductsforyourapplication,(2)designing,validatingandtestingyourapplication,and(3)ensuringyourapplicationmeetsapplicablestandards,andanyothersafety,security,orotherrequirements.
Theseresourcesaresubjecttochangewithoutnotice.
TIgrantsyoupermissiontousetheseresourcesonlyfordevelopmentofanapplicationthatusestheTIproductsdescribedintheresource.
Otherreproductionanddisplayoftheseresourcesisprohibited.
NolicenseisgrantedtoanyotherTIintellectualpropertyrightortoanythirdpartyintellectualpropertyright.
TIdisclaimsresponsibilityfor,andyouwillfullyindemnifyTIanditsrepresentativesagainst,anyclaims,damages,costs,losses,andliabilitiesarisingoutofyouruseoftheseresources.
TI'sproductsareprovidedsubjecttoTI'sTermsofSale(www.
ti.
com/legal/termsofsale.
html)orotherapplicabletermsavailableeitheronti.
comorprovidedinconjunctionwithsuchTIproducts.
TI'sprovisionoftheseresourcesdoesnotexpandorotherwisealterTI'sapplicablewarrantiesorwarrantydisclaimersforTIproducts.
MailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265Copyright2020,TexasInstrumentsIncorporated

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Hosteons,一家海外主机商成立于2018年,在之前还没有介绍和接触这个主机商,今天是有在LEB上看到有官方发送的活动主要是针对LEB的用户提供的洛杉矶、达拉斯和纽约三个机房的方案,最低年付21美元,其特点主要在于可以从1G带宽升级至10G,而且是免费的,是不是很吸引人?本来这次活动是仅仅在LEB留言提交账单ID才可以,这个感觉有点麻烦。不过看到老龚同学有拿到识别优惠码,于是就一并来分享给有需...

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