VBAT1ipower

November2015DocID025108Rev91/44Thisisinformationonaproductinfullproduction.
www.
st.
comBlueNRGBluetoothlowenergywirelessnetworkprocessorDatasheet-productiondataFeaturesBluetoothspecificationv4.
0compliantmasterandslavesingle-modeBluetoothlowenergynetworkprocessorEmbeddedBluetoothlowenergyprotocolstack:GAP,GATT,SM,L2CAP,LL,RF-PHYBluetoothlowenergyprofilesprovidedseparatelyOperatingsupplyvoltage:from2.
0to3.
6V8.
2mAmaximumTXcurrent(@0dBm,3.
0V)Downto1.
7AcurrentconsumptionwithactiveBLEstackIntegratedlinearregulatorandDC-DCstep-downconverterUpto+8dBmavailableoutputpower(atantennaconnector)ExcellentRFlinkbudget(upto96dB)AccurateRSSItoallowpowercontrolProprietaryapplicationcontrollerinterface(ACI),SPIbased,allowsinterfacingwithanexternalhostapplicationmicrocontrollerFulllinkcontrollerandhostsecurityHighperformance,ultra-lowpowerCortex-M032-bitbasedarchitecturecoreOn-chipnon-volatileFlashmemoryAESsecurityco-processorLowpowermodes16or32MHzcrystaloscillator12MHzringoscillator32kHzcrystaloscillator32kHzringoscillatorCompliantwiththefollowingradiofrequencyregulations:ETSIEN300328,EN300440,FCCCFR47Part15,ARIBSTD-T66AvailableinQFN32(5x5mm)andWLCSP34(2.
66x2.
56mm)packagesOperatingtemperaturerange:-40°Cto85°CApplicationsWatchesFitness,wellnessandsportsConsumermedicalSecurity/proximityRemotecontrolHomeandindustrialautomationAssistedlivingMobilephoneperipheralsPCperipheralsTable1:DevicesummaryOrdercodePackagePackingBLUENRGQTRQFN32(5x5mm)TapeandreelBLUENRGCSPWLCSP34(2.
66x2.
56mm)TapeandreelContentsBlueNRG2/44DocID025108Rev9Contents1Description.
52Generaldescription.
63Pindescription84Applicationcircuits115Blockdiagramanddescriptions155.
1Core,memoryandperipherals.
155.
2Powermanagement.
165.
3Clockmanagement175.
4Bluetoothlowenergyradio.
176Operatingmodes.
197Applicationcontrollerinterface.
228Absolutemaximumratingsandthermaldata239Generalcharacteristics.
2410Electricalspecification.
2510.
1Electricalcharacteristics.
2510.
2RFgeneralcharacteristics2710.
3RFtransmittercharacteristics.
2810.
4RFreceivercharacteristics.
2910.
5Highspeedcrystaloscillator(HSXOSC)characteristics3010.
5.
1Highspeedcrystaloscillator(HSXOSC)3110.
6Lowspeedcrystaloscillator(LSXOSC)characteristics.
3210.
7Highspeedringoscillator(HSROSC)characteristics3210.
8Lowspeedringoscillator(LSROSC)characteristics.
3210.
9N-fractionalfrequencysynthesizercharacteristics3310.
10SPIcharacteristics3311Packageinformation3511.
1QFN32packageinformation3611.
2WLCSP34packageinformation3812PCBassemblyguidelines.
4013Revisionhistory42BlueNRGListoftablesDocID025108Rev93/44ListoftablesTable1:Devicesummary.
1Table2:Pinoutdescription9Table3:Externalcomponentlist13Table4:SPIinterface15Table5:Operatingmodes20Table6:Transitiontimes.
21Table7:Absolutemaximumratings23Table8:Thermaldata.
23Table9:Recommendedoperatingconditions24Table10:Electricalcharacteristics25Table11:RFgeneralcharacteristics.
27Table12:RFTransmittercharacteristics.
28Table13:RFreceivercharacteristics29Table14:Highspeedcrystaloscillatorcharacteristics.
30Table15:Lowspeedcrystaloscillatorcharacteristics.
32Table16:Highspeedringoscillatorcharacteristics32Table17:Lowspeedringoscillatorcharacteristics32Table18:N-fractionalfrequencysynthesizercharacteristics33Table19:SPIcharacteristics33Table20:QFN32(5x5x1pitch0.
5mm)mechanicaldata37Table21:WLCSP34(2.
66x2.
56x0.
5pitch0.
4mm)mechanicaldata.
39Table22:FlipChipCSP(2.
66x2.
56x0.
5pitch0.
4mm)packagereflowprofilerecommendation.
.
.
.
.
.
.
40Table23:Documentrevisionhistory42ListoffiguresBlueNRG4/44DocID025108Rev9ListoffiguresFigure1:BlueNRGapplicationblockdiagram.
7Figure2:Pinouttopview(QFN32)8Figure3:Pinouttopview(WLCSP34)8Figure4:Pinoutbottomview(WLCSP34)9Figure5:BlueNRGapplicationcircuit:activeDC-DCconverterQFN32package11Figure6:BlueNRGapplicationcircuit:nonactiveDC-DCconverterQFN32package12Figure7:BlueNRGapplicationcircuit:activeDC-DCconverterWLCSPpackage.
12Figure8:BlueNRGapplicationcircuit:nonactiveDC-DCconverterWLCSPpackage.
13Figure9:Blockdiagram.
15Figure10:PowermanagementstrategyusingLDO16Figure11:Powermanagementstrategyusingstep-downDC-DCconverter17Figure12:Simplifiedstatemachine.
20Figure13:Simplifiedblockdiagramoftheamplituderegulatedoscillator31Figure14:SPItimings.
34Figure15:QFN32(5x5x1pitch0.
5mm)packageoutline.
36Figure16:QFN32(5x5x1pitch0.
5mm)packagedetail"A"37Figure17:WLCSP34(2.
66x2.
56x0.
5pitch0.
4mm)packageoutline.
38Figure18:FlipChipCSP(2.
66x2.
56x0.
5pitch0.
4mm)packagereflowprofilerecommendation.
.
.
.
.
.
40BlueNRGDescriptionDocID025108Rev95/441DescriptionTheBlueNRGisaverylowpowerBluetoothlowenergy(BLE)single-modenetworkprocessor,compliantwithBluetoothspecificationv4.
0.
TheBlueNRGcanactasmasterorslave.
TheentireBluetoothlowenergystackrunsontheembeddedCortexM0core.
Thenon-volatileFlashmemoryallowson-fieldstackupgrading.
TheBlueNRGallowsapplicationstomeetthetightadvisablepeakcurrentrequirementsimposedbytheuseofstandardcoincellbatteries.
Themaximumpeakcurrentisonly10mAat1dBmofoutputpower.
Ultralow-powersleepmodesandveryshorttransitiontimesbetweenoperatingmodesallowverylowaveragecurrentconsumption,resultinginlongerbatterylife.
TheBlueNRGofferstheoptionofinterfacingwithexternalmicrocontrollersusingSPItransportlayer.
GeneraldescriptionBlueNRG6/44DocID025108Rev92GeneraldescriptionTheBlueNRGisasingle-modeBluetoothlowenergymaster/slavenetworkprocessor,compliantwiththeBluetoothspecificationv4.
0.
Itintegratesa2.
4GHzRFtransceiverandapowerfulCortex-M0microcontroller,onwhichacompletepower-optimizedstackforBluetoothsinglemodeprotocolruns,providing:FullmasterandslaverolesupportGAP:central,peripheral,observerorbroadcasterrolesATT/GATT:clientandserverSM:privacy,authenticationandauthorizationL2CAPLinkLayer:AES-128encryptionanddecryptionAnon-chipnon-volatileFlashmemoryallowson-fieldBluetoothlowenergystackupgrade.
Thedeviceallowsapplicationstomeetthetightadvisablepeakcurrentrequirementsimposedbytheuseofstandardcoincellbatteries.
IfthehighefficiencyembeddedDC-DCstep-downconverterisused,themaximuminputcurrentisonly15mAatthehighestoutputpower(+8dBm).
EveniftheDC-DCconverterisnotused,themaximuminputcurrentisonly29mAatthehighestoutputpower,stillpreservingbatterylife.
Ultralow-powersleepmodesandveryshorttransitiontimebetweenoperatingmodesresultinverylowaveragecurrentconsumptionduringrealoperatingconditions,providingverylongbatterylife.
Twodifferentexternalmatchingnetworksaresuggested:standardmode(TXoutputpowerupto+5dBm)andhighpowermode(TXoutputpowerupto+8dBm).
Theexternalhostapplicationprocessor,wheretheapplicationresides,isinterfacedwiththeBlueNRGthroughanapplicationcontrollerinterfaceprotocolbasedonastandardSPIinterface.
BlueNRGGeneraldescriptionDocID025108Rev97/44Figure1:BlueNRGapplicationblockdiagramPindescriptionBlueNRG8/44DocID025108Rev93PindescriptionThedevicepinoutisshowninFigure2:"Pinouttopview(QFN32)",Figure3:"Pinouttopview(WLCSP34)"andFigure4:"Pinoutbottomview(WLCSP34)".
InTable2:"Pinoutdescription"ashortdescriptionofthepinsisprovided.
Figure2:Pinouttopview(QFN32)Figure3:Pinouttopview(WLCSP34)Note:Topview(ballsareunderneath).
BlueNRGPindescriptionDocID025108Rev99/44Figure4:Pinoutbottomview(WLCSP34)Table2:PinoutdescriptionPinsNameI/ODescriptionQFN32WLCSP1E2SPI_MOSIISPI_MOSI2E1SPI_CLKISPI_CLK3D2SPI_IRQOSPI_IRQ4D1TEST1I/OTestpin5C1VBAT3VDD2.
0-3.
6batteryvoltageinput6C2TEST2I/OTestpinconnectedtoGND7B1TEST3I/OTestpinconnectedtoGND8B2TEST4I/OTestpinconnectedtoGND9A1TEST5I/OTestpinconnectedtoGND10B3TEST6I/OTestpinconnectedtoGND11A2TEST7I/OTestpinconnectedtoGND12A3VDD1V8O1.
8Vdigitalcore13A4TEST8I/OTestpinnotconnected14A5TEST9I/OTestpinnotconnected15B4TEST11I/OTestpinnotconnected(QFN32)TestpinconnectedtoGND(WLCSP)16B5TEST12I/OTestpinnotconnected(QFN32)TestpinconnectedtoGND(WLCSP)17A6FXTAL1I16/32MHzcrystal18B6FXTAL0I16/32MHzcrystal19-VBAT2VDD2.
0-3.
6batteryvoltageinput20C6RF1I/OAntenna+matchingcircuit21D6RF0I/OAntenna+matchingcircuit22E6SXTAL1I32kHzcrystal23E5SXTAL0I32kHzcrystal24D5VBAT1VDD2.
0-3.
6batteryvoltageinput25E4RESETNIResetPindescriptionBlueNRG10/44DocID025108Rev9PinsNameI/ODescriptionQFN32WLCSP26F6SMPSFILT1OSMPSoutput27-NO_SMPSIPowermanagementstrategyselection28F5SMPSFILT2I/OSMPSinput/output29F3VDD1V2O1.
2Vdigitalcore30E3TEST10I/OTESTpinconnectedtoGND31F2SPI_CSISPI_CS32F1SPI_MISOOSPI_MISO-C3GNDGNDGround-D3GNDGNDGround-D4GNDGNDGround-F4SMPS-GNDGNDSMPSgroundBlueNRGApplicationcircuitsDocID025108Rev911/444ApplicationcircuitsTheschematicsbelowarepurelyindicative.
Formoredetailedschematics,pleaserefertothe"Referencedesign"and"Layoutguidelines"whichareprovidedasseparatedocuments.
Figure5:BlueNRGapplicationcircuit:activeDC-DCconverterQFN32packageApplicationcircuitsBlueNRG12/44DocID025108Rev9Figure6:BlueNRGapplicationcircuit:nonactiveDC-DCconverterQFN32packageFigure7:BlueNRGapplicationcircuit:activeDC-DCconverterWLCSPpackageBlueNRGApplicationcircuitsDocID025108Rev913/44Figure8:BlueNRGapplicationcircuit:nonactiveDC-DCconverterWLCSPpackageTable3:ExternalcomponentlistComponentDescriptionC1DecouplingcapacitorC2DC-DCconverteroutputcapacitorC3DC-DCconverteroutputcapacitorC4Decouplingcapacitorfor1.
2VdigitalregulatorC5Decouplingcapacitorfor1.
2VdigitalregulatorC6DecouplingcapacitorC732kHzcrystalloadingcapacitor(1)C832kHzcrystalloadingcapacitor(1)C9RFbalun/matchingnetworkcapacitorHighPerformanceRFbalun/matchingnetworkcapacitorStandardmodeC10RFbalun/matchingnetworkcapacitorHighPerformanceRFbalun/matchingnetworkcapacitorStandardmodeC11RFbalun/matchingnetworkcapacitorHighPerformanceRFbalun/matchingnetworkcapacitorStandardmodeC12DecouplingcapacitorC13DecouplingcapacitorC14RFbalun/matchingnetworkcapacitorHighPerformanceRFbalun/matchingnetworkcapacitorStandardmodeC15RFbalun/matchingnetworkcapacitorHighPerformanceRFbalun/matchingnetworkcapacitorStandardmodeC16RFbalun/matchingnetworkcapacitorHighPerformanceRFbalun/matchingnetworkcapacitorStandardmodeApplicationcircuitsBlueNRG14/44DocID025108Rev9ComponentDescriptionC1716/32MHzcrystalloadingcapacitorC1816/32MHzcrystalloadingcapacitorC19Decouplingcapacitorfor1.
8VdigitalregulatorC20Decouplingcapacitorfor1.
8VdigitalregulatorC21RFbalun/matchingnetworkcapacitorHighPerformance,RFbalun/matchingnetworkcapacitorStandardmodeL1DC-DCconverterinputinductor,Isat>100mA,Q>25L2RFbalun/matchingnetworkinductorHighPerformanceRFbalun/matchingnetworkinductorStandardmodeL3RFbalun/matchingnetworkinductorHighPerformanceRFbalun/matchingnetworkinductorStandardmodeL4RFbalun/matchingnetworkinductorHighPerformanceRFbalun/matchingnetworkinductorStandardmodeR1Pull-downresistorontheSPI_IRQline(canbereplacedbytheinternalpull-downoftheApplicationMCU)XTAL132kHzcrystal(optional)XTAL216/32MHzcrystalNotes:(1)ValuesvalidonlyforthecrystalNDKNX3215SA-32.
768kHz-EXS00A-MU00003.
Forothercrystalsrefertowhatspecifiedintheirdatasheet.
BlueNRGBlockdiagramanddescriptionsDocID025108Rev915/445BlockdiagramanddescriptionsAblockdiagramofthedeviceisshowninFigure9:"Blockdiagram".
Inthefollowingsubsectionsashortdescriptionofeachmoduleisgiven.
Figure9:Blockdiagram5.
1Core,memoryandperipheralsThedevicecontainsanARMCortex-M0microcontrollercorethatsupportsultra-lowleakagestateretentionmodeandalmostinstantaneouslyreturningtofullyactivemodeoncriticalevents.
Thememorysubsystemconsistsof64KBFlash,and12KBRAM,dividedintwoblocksof6KB(RAM1andRAM2).
FlashisusedfortheM0program.
NoRAMorFLASHresourcesareavailabletotheexternalmicrocontrollerdrivingtheBlueNRG.
Theapplicationcontrollerinterface(ACI)usesastandardSPIslaveinterfaceastransportlayer,basinginfivephysicalwires:2controlwires(clockandslaveselect)2datawireswithserialshift-out(MOSIandMISO)infullduplex1wiretoindicatedataavailabilityfromtheslaveTable4:SPIinterfaceNameDirectionWidthDescriptionSPI_CSIn1SPIslaveselect=SPIenable.
SPI_CLKIn1SPIclock(max8MHz).
SPI_MOSIIn1Masteroutput,slaveinput.
SPI_MISOOut1Masterinput,slaveoutput.
BlockdiagramanddescriptionsBlueNRG16/44DocID025108Rev9NameDirectionWidthDescriptionSPI_IRQOut1Slavehasdataformaster.
AlltheSPIpinshaveaninternalpull-downexceptfortheCSNthathasapull-up.
AlltheSPIpins,excepttheCSN,areinhighimpedancestateduringthelow-powerstates.
TheIRQpinneedsapull-downexternalresistor.
5.
2PowermanagementThedeviceintegratesbothalowdropoutvoltageregulator(LDO)andastep-downDC-DCconverter,andoneofthemcanbeusedtopowertheinternalcircuitry.
HoweverevenwhentheLDOisused,thestringentmaximumcurrentrequirements,whichareadvisablewhencoincellbatteriesareused,canbemetandfurtherimprovementscanbeobtainedwiththeDC-DCconverteratthesoleadditionalcostofaninductorandacapacitor.
TheinternalLDOssupplyingboththe1.
8Vdigitalblocksand1.
2Vdigitalblocksrequiredecouplingcapacitorsforstableoperation.
Figure10:"PowermanagementstrategyusingLDO"andFigure11:"Powermanagementstrategyusingstep-downDC-DCconverter",showthesimplifiedpowermanagementschemesusingLDOandDC-DCconverter.
Figure10:PowermanagementstrategyusingLDOBlueNRGBlockdiagramanddescriptionsDocID025108Rev917/44Figure11:Powermanagementstrategyusingstep-downDC-DCconverter5.
3ClockmanagementThedeviceintegratestwolow-speedfrequencyoscillators(LSOSC)andtwoHighspeed(16MHzor32MHz)frequencyoscillators(HSOSC).
ThelowfrequencyclockisusedinLowPowermodeandcanbesuppliedeitherbya32.
7kHzoscillatorthatusesanexternalcrystalandguaranteeupto±50ppmfrequencytolerance,orbyaringoscillatorwithmaximum±500ppmfrequencytolerance,whichdoesnotrequireanyexternalcomponents.
Theprimaryhighfrequencyclockisa16MHzor32MHzcrystaloscillator.
Thereisalsoafast-starting12MHzringoscillatorthatprovidestheclockwhilethecrystaloscillatorisstartingup.
Frequencytoleranceofhighspeedcrystaloscillatoris±50ppm.
Theusageofthe16MHz(or32MHz)crystalisstrictlynecessary.
5.
4BluetoothlowenergyradioThedeviceintegratesanRFtransceivercompliantwiththeBluetoothspecificationandthestandardnationalregulationsintheunlicensed2.
4GHzISMband.
TheRFtransceiverrequiresveryfewexternaldiscretecomponents.
Itprovides96dBlinkbudgetswithexcellentlinkreliability,keepingthemaximumpeakcurrentbelow15mA.
InTransmitmode,thepoweramplifier(PA)drivesthesignalgeneratedbythefrequencysynthesizerouttotheantennaterminalthroughaverysimpleexternalnetwork.
ThepowerdeliveredaswellastheharmoniccontentdependsontheexternalimpedanceseenbythePA.
BlockdiagramanddescriptionsBlueNRG18/44DocID025108Rev9Theoutputpowerisprogrammablefrom-18dBmto+8dBm,toallowauser-definedpowercontrolsystemandtoguaranteeoptimumpowerconsumptionforeachscenario.
BlueNRGOperatingmodesDocID025108Rev919/446OperatingmodesSeveraloperatingmodesaredefinedfortheBlueNRG:ResetmodeSleepmodeStandbymodeActivemodeRadiomodeReceiveRadiomodeTransmitRadiomodeInResetmode,thedeviceisinultra-lowpowerconsumption:allvoltageregulators,clocksandtheRFinterfacearenotpowered.
ThedeviceentersResetmodebyassertingtheexternalresetsignal.
Assoonasitisde-asserted,thedevicefollowsthenormalactivationsequencetotransittoActivemode.
InSleepmodeeitherthelowspeedcrystaloscillatororthelowspeedringoscillatorarerunning,whereasthehighspeedoscillatorsarepowereddownaswellastheRFinterface.
ThestateofthedeviceisretainedandthecontentoftheRAMispreserved.
Dependingontheapplication,partoftheRAM(RAM2block)canbeswitchedoffduringsleeptosavemorepower(refertostackmode1,describedinUM1868).
WhileinSleepmode,thedevicewaitsuntilaninternaltimerexpiresandthenitgoesintoActivemode.
ThetransitionfromSleepmodetoActivemodecanalsobeactivatedthroughtheSPIinterface.
StandbymodeandSleepmodeareequivalentbutthelowspeedfrequencyoscillatorsarepowereddown.
InStandbymodethedevicecanbeactivatedthroughtheSPIinterface.
InActivemodethedeviceisfullyoperational:allinterfaces,includingSPIandRF,areactiveaswellasallinternalpowersuppliestogetherwiththehighspeedfrequencyoscillator.
TheMCUcoreisalsorunning.
RadiomodediffersfromActivemodeasalsotheRFtransceiverisactiveanditiscapableofeithertransmittingorreceiving.
Figure12:"Simplifiedstatemachine"reportsthesimplifiedstatemachine:OperatingmodesBlueNRG20/44DocID025108Rev9Figure12:SimplifiedstatemachineTable5:OperatingmodesStateDigitalLDOSPILSOSCHSOSCCoreRFsynt.
RXchainTXchainResetOFFRegistercontentslostOFFOFFOFFOFFOFFOFFOFFStandbyONRegistercontentsretainedONOFFOFFOFFOFFOFFOFFSleepONRegistercontentsretainedONONOFFOFFOFFOFFOFFActiveONRegistercontentsretainedON-ONONOFFOFFOFFRXONRegistercontentsretainedON-ONONONONOFFTXONRegistercontentsretainedON-ONONONOFFONBlueNRGOperatingmodesDocID025108Rev921/44Table6:TransitiontimesTransitionMaximumtimeConditionReset-active(1)1.
5ms32kHznotavailable7ms32kHzRO94ms32kHzXOStandby-active(1)0.
42ms32kHznotavailable6.
2ms32kHzRO93ms32kHzXOSleep-active(1)0.
42msActive-RX125sChannelchange61sNochannelchangeActive-TX131sChannelchange67sNochannelchangeRX-TXorTX-RX150sNotes:(1)ThesemeasurementsaretakenusingNX3225SA-16.
000MHz-EXS00A-CS05997.
ApplicationcontrollerinterfaceBlueNRG22/44DocID025108Rev97ApplicationcontrollerinterfaceTheapplicationcontrollerinterfaceisbasedonastandardSPImodulewithspeedsupto8MHz.
TheapplicationcontrollerInterfacedefinesasoftwareprotocolprovidingfunctionstoaccessalltheservicesofferedbythelayersoftheembeddedBluetoothstack.
TheACIcommandsaredescribedintheassociateddocumentonACIcommandinterface.
BlueNRGAbsolutemaximumratingsandthermaldataDocID025108Rev923/448AbsolutemaximumratingsandthermaldataAbsolutemaximumratingsarethosevaluesabovewhichdamagetothedevicemayoccur.
Functionaloperationundertheseconditionsisnotimplied.
AllvoltagesarereferredtoGND.
Table7:AbsolutemaximumratingsPinParameterValueUnit5,19,24,26,28DC-DCconvertersupplyvoltageinputandoutput-0.
3to+3.
9V12,29DCvoltageonlinearvoltageregulator-0.
3to+3.
9V1,2,3,4,6,7,8,9,10,11,25,27,30,31,32DCvoltageondigitalinput/outputpins-0.
3to+3.
9V13,14,15,16DCvoltageonanalogpins-0.
3to+3.
9V17,18,22,23DCvoltageonXTALpins-0.
3to+1.
4V20,21(1)DCvoltageonRFpins-0.
3to+1.
4VTSTGStoragetemperaturerange-40to+125°CVESD-HBMElectrostaticdischargevoltage±2.
0kVNotes:(1)+8dBminputpoweratantennaconnectorinStandardmode,+11dBminHighPowermode,withgivenreferencedesign.
Table8:ThermaldataSymbolParameterValueUnitRthj-ambThermalresistancejunction-ambient34(QFN32)50(WLCSP36)°C/WRthj-cThermalresistancejunction-case2.
5(QFN32)25(WLCSP36)°C/WGeneralcharacteristicsBlueNRG24/44DocID025108Rev99GeneralcharacteristicsTable9:RecommendedoperatingconditionsSymbolParameterMin.
Typ.
Max.
UnitVBATOperatingBatterysupplyvoltage2.
03.
6VTAOperatingAmbienttemperaturerange-40+85°CBlueNRGElectricalspecificationDocID025108Rev925/4410Electricalspecification10.
1ElectricalcharacteristicsCharacteristicsmeasuredoverrecommendedoperatingconditionsunlessotherwisespecified.
TypicalvaluearereferredtoTA=25°C,VBAT=3.
0V.
Allperformancedataarereferredtoa50Wantennaconnector,viareferencedesign,QFN32packageversion.
Table10:ElectricalcharacteristicsSymbolParameterTestconditionsMin.
Typ.
Max.
UnitPowerconsumptionwhenDC-DCconverteractiveIBATSupplycurrentReset5nAStandbyRAM2OFF1.
3ARAM2ON2Sleep32kHzXOON(RAM2OFF)1.
7A32kHzXOON(RAM2ON)2.
432kHzROON(RAM2OFF)2.
832kHzROON(RAM2ON)3.
5ActiveCPU,FlashandRAMoff2mACPU,FlashandRAMon3.
3RXHighPowermode7.
7mAStandardmode7.
3TXStandardmode+5dBm11mA0dBm8.
2-2dBm7.
2-6dBm6.
7-9dBm6.
3-12dBm6.
1-15dBm5.
9-18dBm5.
8TXHighPowermode+8dBm15.
1mA+4dBm10.
9+2dBm9-2dBm8.
3-5dBm7.
7ElectricalspecificationBlueNRG26/44DocID025108Rev9SymbolParameterTestconditionsMin.
Typ.
Max.
Unit-8dBm7.
1-11dBm6.
8-14dBm6.
6PowerconsumptionwhenDC-DCconverternotactiveIBATSupplycurrentReset5nAStandbyRAM2OFF1.
4ARAM2ON2Sleep32kHzXOON(RAM2OFF)1.
7A32kHzXOON(RAM2ON)2.
432kHzROON(RAM2OFF)2.
832kHzROON(RAM2ON)3.
5ActiveCPU,FlashandRAMoff2.
3mARXHighPowermode14.
5mAStandardmode14.
3TXStandardmode+5dBm21mA0dBm15.
4-2dBm13.
3-6dBm12.
2-9dB11.
5-12dBm11-15dBm10.
6-18dBm10.
4TXHighPowermode+8dBm28.
8mA+4dBm20.
5+2dBm17.
2-2dBm15.
3-5dBm14-8dBm13-11dBm12.
3-14dBm12DigitalI/OCINPortI/Ocapacitance1.
291.
381.
67pFBlueNRGElectricalspecificationDocID025108Rev927/44SymbolParameterTestconditionsMin.
Typ.
Max.
UnitTRISERisetime0.
1*VDDto0.
9*VDD,CL=50pF519nsTFALLFalltime0.
9*VDDto0.
1*VDD,CL=50pF622nsT(RST)Holdtimeforreset1.
5msTCVBATrange3.
03.
33.
6VTC1VBATrange2.
252.
52.
75VVILInputlowvoltageVBATrange:TC-0.
30.
8VVBATrange:TC1-0.
30.
7VIHInputhighvoltageVBATrange:TC2.
03.
6VVBATrange:TC11.
73.
6VOLOutputlowvoltageVBATrange:TC0.
4VVBATrange:TC10.
7VOHOutputhighvoltageVBATrange:TC2.
4VVBATrange:TC11.
7IOLLowleveloutputcurrent@VOL(max.
)VBATrange:TC3.
45.
67.
9mAVBATrange:TC13.
86.
610.
1IOHHighleveloutputcurrent@VOH(min)VBATrange:TC5.
510.
617.
6mAVBATrange:TC13.
77.
212.
010.
2RFgeneralcharacteristicsCharacteristicsmeasuredoverrecommendedoperatingconditionsunlessotherwisespecified.
TypicalvaluearereferredtoTA=25°C,VBAT=3.
0V.
Allperformancedataarereferredtoa50Wantennaconnector,viareferencedesign,QFN32packageversion.
Table11:RFgeneralcharacteristicsSymbolParameterTestconditionsMin.
Typ.
Max.
UnitFREQFrequencyrange24002483.
5MHzFCHChannelspacing2MHzRFchRFchannelcenterfrequency24022480MHzElectricalspecificationBlueNRG28/44DocID025108Rev910.
3RFtransmittercharacteristicsCharacteristicsmeasuredoverrecommendedoperatingconditionsunlessotherwisespecified.
TypicalvaluearereferredtoTA=25°C,VBAT=3.
0V.
Allperformancedataarereferredtoa50Wantennaconnector,viareferencedesign,QFN32packageversion.
Table12:RFTransmittercharacteristicsSymbolParameterTestconditionsMin.
Typ.
Max.
UnitMODModulationschemeGFSKBTBandwidth-bitperiodproduct0.
5MindexModulationindex0.
450.
50.
55DRAirdatarate1MbpsSTaccSymboltimeaccuracy50ppmPMAXMaximumoutputpoweratantennaconnectorHighpower+8+10dBmStandardmode+5+7dBmPRFCMinimumoutputpowerHighpower-15dBStandardmode-18PRFCRFpoweraccuracy±2dBPBW1M6dBbandwidthformodulatedcarrier(1Mbps)Usingresolutionbandwidthof100kHz500kHzPRF11stadjacentchanneltransmitpower2MHzUsingresolutionbandwidthof100kHzandaveragedetector-20dBmPRF22ndadjacentchanneltransmitpower>3MHzUsingresolutionbandwidthof100kHzandaveragedetector-30dBmPSPURSpuriousemissionHarmonicsincluded.
Usingresolutionbandwidthof1MHzandaveragedetector-41dBmCFdevCenterfrequencydeviationDuringthepacketandincludingbothinitialfrequencyoffsetanddrift±150kHzFreqdriftFrequencydriftDuringthepacket±50kHzIFreqdriftInitialcarrierfrequencydrift±20kHzDriftRatemaxMaximumdriftrate400Hz/sZLOADOptimumdifferentialloadStandardmode@2440MHz25.
9+j44.
4Highpowermode@2440MHz25.
4+j20.
8BlueNRGElectricalspecificationDocID025108Rev929/4410.
4RFreceivercharacteristicsCharacteristicsmeasuredoverrecommendedoperatingconditionsunlessotherwisespecified.
TypicalvaluearereferredtoTA=25°C,VBAT=3.
0V.
Allperformancedataarereferredtoa50Wantennaconnector,viareferencedesign,QFN32packageversion.
Table13:RFreceivercharacteristicsSymbolParameterTestconditionsMin.
Typ.
Max.
UnitRXSENSSensitivityBER<0.
1%--88dBmPSATSaturationBER<0.
1%Standardmode8dBmHighpowermode11zINInputdifferentialimpedanceStandardmode@2440MHz31.
4-j26.
6ΩHighpowermode@2440MHz28.
8-j18.
5RFselectivitywithBLEequalmodulationoninterferingsignalC/ICO-channelCo-channelinterferenceWantedsignal=-67dBm,BER≤0.
1%-9dBcC/I1MHzAdjacent(+1MHz)interferenceWantedsignal=-67dBm,BER≤0.
1%2dBcC/I2MHzAdjacent(+2MHz)interferenceWantedsignal=-67dBm,BER≤0.
1%-34dBcC/I3MHzAdjacent(+3MHz)interferenceWantedsignal=-67dBm,BER≤0.
1%-40dBcC/I≥4MHzAdjacent(≥±4MHz)interferenceWantedsignal=-67dBm,BER≤0.
1%-34dBcC/I≥6MHzAdjacent(≥±6MHzinterferenceWantedsignal=-67dBmBER≤0.
1%-45dBcC/I≥25MHzAdjacent(≥±25MHz)interferenceWantedsignal=-67dBm,BER≤0.
1%-64dBcC/IImageImagefrequencyInterference-2MHzWantedsignal=-67dBm,BER≤0.
1%-20dBcC/IImage±1MHzAdjacent(±1MHz)Interferencetoin-bandimagefrequencyWantedsignal=-67dBm,BER≤0.
1%-1MHz5dBc-3MHz-25OutofBandblocking(interferingsignalCW)C/IBlockInterferingsignalfrequency30MHz–2000MHzWantedsignal=-67dBm,BER≤0.
1%,Measurementresolution10MHz--30dBmElectricalspecificationBlueNRG30/44DocID025108Rev9SymbolParameterTestconditionsMin.
Typ.
Max.
UnitC/IBlockInterferingsignalfrequency2003MHz–2399MHzWantedsignal=-67dBm,BER≤0.
1%,Measurementresolution3MHz-35dBmC/IBlockInterferingsignalfrequency2484MHz–2997MHzWantedsignal=-67dBm,BER≤0.
1%,measurementresolution3MHz--35dBmC/IBlockInterferingsignalfrequency3000MHz–12.
75GHzWantedsignal=-67dBm,BER≤0.
1%,measurementresolution25MHz-30dBmIntermodulationcharacteristics(CWsignalatf1,BLEinterferingsignalatf2)P_IM(3)InputpowerofIMinterferesat3and6MHzdistancefromwantedsignalWantedsignal=-64dBm,BER≤0.
1%--33dBmP_IM(-3)InputpowerofIMinterferesat-3and-6MHzdistancefromwantedsignalWantedsignal=-64dBm,BER≤0.
1%-43dBmP_IM(4)InputpowerofIMinterferesat±4and±8MHzdistancefromwantedsignalWantedsignal=-64dBm,BER≤0.
1%-33dBmP_IM(5)InputpowerofIMinterferesat±5and±10MHzdistancefromwantedsignalWantedsignal=-64dBm,BER≤0.
1%-33dBm10.
5Highspeedcrystaloscillator(HSXOSC)characteristicsCharacteristicsmeasuredoverrecommendedoperatingconditionsunlessotherwisespecified.
TypicalvaluearereferredtoTA=25°C,VBAT=3.
0V.
Table14:HighspeedcrystaloscillatorcharacteristicsSymbolParameterTestconditionsMin.
Typ.
Max.
UnitfNOMNominalfrequency16/32MHzfTOLFrequencytoleranceIncludesinitialaccuracy,stabilityovertemperature,agingandfrequencypullingduetoincorrectloadcapacitance.
±50ppmESREquivalentseriesresistance100ΩPDDrivelevel100WBlueNRGElectricalspecificationDocID025108Rev931/4410.
5.
1Highspeedcrystaloscillator(HSXOSC)Thedeviceincludesafullyintegrated,lowpower16/32MHzXtaloscillatorwithanembeddedamplituderegulationloop.
InordertoachievelowpoweroperationandgoodfrequencystabilityoftheXtaloscillator,certainconsiderationswithrespecttothequartzloadcapacitanceC0needtobetakenintoaccount.
Figure13:"Simplifiedblockdiagramoftheamplituderegulatedoscillator"showsasimplifiedblockdiagramoftheamplituderegulatedoscillatorusedonthedevice.
Figure13:SimplifiedblockdiagramoftheamplituderegulatedoscillatorLowpowerconsumptionandfaststartuptimeisachievedbychoosingaquartzcrystalwithalowloadcapacitanceC0.
Toachievegoodfrequencystability,thefollowingequationneedstobesatisfied:Equation1ElectricalspecificationBlueNRG32/44DocID025108Rev9WhereC1'=C1+CPCB1+CPAD,C2'=C2+CPCB2+CPAD,whereC1andC2areexternal(SMD)components,CPCB1andCPCB2arePCBroutingparasitesandCPADistheequivalentsmall-signalpad-capacitance.
ThevalueofCPADisaround0.
5pFforeachpad.
TheroutingparasitesshouldbeminimizedbyplacingquartzandC1/C2capacitorsclosetothechip,notonlyforaneasiermatchingoftheloadcapacitanceC0,butalsotoensurerobustnessagainstnoiseinjection.
ConnecteachcapacitoroftheXtaloscillatortogroundbyaseparatevia.
10.
6Lowspeedcrystaloscillator(LSXOSC)characteristicsCharacteristicsmeasuredoverrecommendedoperatingconditionsunlessotherwisespecified.
TypicalvaluearereferredtoTA=25°C,VBAT=3.
0V.
Table15:LowspeedcrystaloscillatorcharacteristicsSymbolParameterTestconditionsMin.
Typ.
Max.
UnitfNOMNominalfrequency32.
768kHzfTOLFrequencytoleranceIncludesinitialaccuracy,stabilityovertemperature,agingandfrequencypullingduetoincorrectloadcapacitance.
±50ppmESREquivalentseriesresistance90kΩPDDrivelevel0.
1WNote:ThesevaluesarethecorrectonesforNX3215SA-32.
768kHz-EXS00A-MU00003.
10.
7Highspeedringoscillator(HSROSC)characteristicsCharacteristicsmeasuredoverrecommendedoperatingconditionsunlessotherwisespecified.
TypicalvaluearereferredtoTA=25°C,VBAT=3.
0V,QFN32packageversion.
Table16:HighspeedringoscillatorcharacteristicsSymbolParameterTestconditionsMin.
Typ.
Max.
UnitfNOMNominalfrequency1216MHz10.
8Lowspeedringoscillator(LSROSC)characteristicsCharacteristicsmeasuredoverrecommendedoperatingconditionsunlessotherwisespecified.
TypicalvaluearereferredtoTA=25°C,VBAT=3.
0V,QFN32packageversion.
Table17:LowspeedringoscillatorcharacteristicsSymbolParameterTestconditionsMin.
Typ.
Max.
Unit32kHzringoscillator(LSROSC)fNOMNominalfrequency37.
4kHzfTOLFrequencytolerance±500ppmBlueNRGElectricalspecificationDocID025108Rev933/4410.
9N-fractionalfrequencysynthesizercharacteristicsCharacteristicsmeasuredoverrecommendedoperatingconditionsunlessotherwisespecified.
TypicalvaluearereferredtoTA=25°C,VBAT=3.
0V,fc=2440MHz.
Table18:N-fractionalfrequencysynthesizercharacteristicsSymbolParameterTestconditionsMin.
Typ.
Max.
UnitPNSYNTHRFcarrierphasenoiseAt±1MHzoffsetfromcarrier-113dBc/HzAt±3MHzoffsetfromcarrier-119dBc/HzAt±6MHzoffsetfromcarrierTBDdBc/HzAt±25MHzoffsetfromcarrierTBDdBc/HzLOCKTIMEPLLlocktime40sTOTIMEPLLturnon/hoptimeIncludingcalibration150s10.
10SPIcharacteristicsTable19:SPIcharacteristicsSymbolParameterMin.
Typ.
Max.
UnitfCLK1/t(CLK)SPIclockfrequency8MHzDuCy(CLK)SPIclockdutycycle50%ts(CS)CSsetuptime40nstlh(CS)CSlowholdtime40thh(CS)CShighholdtime10t(CLK)ts(SI)MOSIsetuptime20th(SI)MOSIholdtime10tv(SO)MISOvalidtime40Thevaluesfortheparametersgiveninthistablearebasedoncharacterization,nottestedinproduction.
ElectricalspecificationBlueNRG34/44DocID025108Rev9Figure14:SPItimingsBlueNRGPackageinformationDocID025108Rev935/4411PackageinformationInordertomeetenvironmentalrequirements,SToffersthesedevicesindifferentgradesofECOPACKpackages,dependingontheirlevelofenvironmentalcompliance.
ECOPACKspecifications,gradedefinitionsandproductstatusareavailableat:www.
st.
com.
ECOPACKisanSTtrademark.
PackageinformationBlueNRG36/44DocID025108Rev911.
1QFN32packageinformationFigure15:QFN32(5x5x1pitch0.
5mm)packageoutlineBlueNRGPackageinformationDocID025108Rev937/44Table20:QFN32(5x5x1pitch0.
5mm)mechanicaldataDim.
mmMin.
Typ.
Max.
A0.
800.
851.
00A100.
020.
05A30.
20REFb0.
250.
250.
30D5.
00BSCE5.
00BSCD23.
23.
70E23.
23.
70e0.
5BSCL0.
300.
400.
50Ф0°14°K0.
20Figure16:QFN32(5x5x1pitch0.
5mm)packagedetail"A"PackageinformationBlueNRG38/44DocID025108Rev911.
2WLCSP34packageinformationFigure17:WLCSP34(2.
66x2.
56x0.
5pitch0.
4mm)packageoutline1.
ThecornerofterminalA1mustbeidentifiedonthetopsurfacebyusingalasermarkingdot.
BlueNRGPackageinformationDocID025108Rev939/44Table21:WLCSP34(2.
66x2.
56x0.
5pitch0.
4mm)mechanicaldataDim.
mm.
NotesMin.
Typ.
Max.
A0.
50A10.
20b0.
27(1)D2.
502.
562.
58(2)D12.
00E2.
602.
662.
68(3)E12.
00e0.
40f0.
28g0.
33ccc0.
05Notes:(1)Thetypicalballdiameterbeforemountingis0.
25mm.
(2)D=f+D1+f.
(3)E=g+E1+g.
PCBassemblyguidelinesBlueNRG40/44DocID025108Rev912PCBassemblyguidelinesForFlipChipmountingonthePCB,STMicroelectronicsrecommendstheuseofasolderstencilapertureof330x330mmaximumandatypicalstencilthicknessof125m.
FlipChipsarefullycompatiblewiththeuseofneareutectic95.
8%Sn,3.
5%Ag,0.
7%Cusolderpastewithno-cleanflux.
ST'srecommendationsforFlipChipboardmountingareillustratedonthesolderingreflowprofileshowninFigure18:"FlipChipCSP(2.
66x2.
56x0.
5pitch0.
4mm)packagereflowprofilerecommendation"Figure18:FlipChipCSP(2.
66x2.
56x0.
5pitch0.
4mm)packagereflowprofilerecommendationTable22:FlipChipCSP(2.
66x2.
56x0.
5pitch0.
4mm)packagereflowprofilerecommendationProfileValueTyp.
Max.
Temp.
gradientinpreheat(T=70–180°C)0.
9°C/s3°C/sTemp.
gradient(T=200–225°C)2°C/s3°C/sPeaktemp.
inreflow240-245°C260°CTimeabove220°C60s90sTemp.
gradientincooling-2to-3°C/s-6°C/sTimefrom50to220°C160to220sDwelltimeinthesolderingzone(withtemperaturehigherthan220°C)hastobekeptasshortaspossibletopreventcomponentandsubstratedamage.
Peaktemperaturemustnotexceed260°C.
Controlledatmosphere(N2orN2H2)isrecommendedduringthewholereflow,especiallyabove150°C.
FlipChipsareabletowithstandthreetimesthepreviousrecommendedreflowprofiletobecompatiblewithadoublereflowwhenSMDsaremountedonbothsidesofthePCBplusoneadditionalrepair.
BlueNRGPCBassemblyguidelinesDocID025108Rev941/44Amaximumofthreesolderingreflowsareallowedfortheselead-freepackages(withrepairstepincluded).
Theuseofano-cleanpasteishighlyrecommendedtoavoidanycleaningoperation.
Topreventanybumpcracks,ultrasoniccleaningmethodsarenotrecommended.
RevisionhistoryBlueNRG42/44DocID025108Rev913RevisionhistoryTable23:DocumentrevisionhistoryDateRevisionChanges09-Aug-20131Initialrelease.
07-Feb-20142DatasheetpromotedfrompreliminarydatatoproductiondataAddedWLCSP34packagetoTable1:DevicesummaryDeletedreferencesto"lowpowerADC"throughoutthedocument.
AddedpininformationfortheWLCSPpackagetoFigure3:BlueNRGpinouttopview(WLCSP34),Table2:PinoutdescriptionUpdatedFigure5:BlueNRGapplicationcircuit:activeDC-DCconverterQFN32packageandFigure6:BlueNRGapplicationcircuit:nonactiveDC-DCconverterQFN32packageAddedFigure7:BlueNRGapplicationcircuit:activeDC-DCconverterWLCSPpackageandFigure8:BlueNRGapplicationcircuit:nonactiveDC-DCconverterWLCSPpackageModifiedHighPerformanceandStandardModevaluesinTable3:ExternalcomponentlistChangedallreferencestheterm"Slave"to"RAM2OFF",and"Master"to"RAM2ON"inFigure7:Electricalcharacteristics.
ModifiedHighPerformanceandStandardModevaluesinTable3:Externalcomponentlist.
ModifiedFigure9:BlueNRGblockdiagramCorrectederrorintypicalBSCvalueforreference"e"inTable20.
AddedWLCSPpackagedrawinganddimensionsdata(inFigure14andTable21).
Minortextcorrectionsthroughoutthedocument.
19-Mar-20143Added:Figure3:Pinouttopview(WLCSP34)Updated:Figure5:BlueNRGapplicationcircuit:activeDC-DCconverterQFN32packageandFigure6:BlueNRGapplicationcircuitnonactiveDC-DConverterQFN32package,Figure7:BlueNRGapplicationcircuit:activeDC-DCconverterWLCSPpackageandFigure8:BlueNRGapplicationcircuit:nonactiveDC-DCconverterWLCSPpackage.
21-Mar-20144Added:Section12:PCBassemblyguidelinesBlueNRGRevisionhistoryDocID025108Rev943/44DateRevisionChanges20-Nov-20145Updated:Bluetoothspecificationv4.
1compliancy,Table2:Pinoutdescription,Table3:Externalcomponentlist,Table8:Thermaldata,Table14:Highspeedcrystaloscillatorcharacteristics,Table15:Lowspeedcrystaloscillatorcharacteristics,Table18:N-fractionalfrequencysynthesizercharacteristics,Section10.
7:Highspeedringoscillator(HSROSC)characteristicsandSection5:Blockdiagramanddescriptions.
Added:Section10.
5.
1:Highspeedcrystaloscillator(HSXOSC)13-May-20156Updated:Featuressectionincoverpage;Table2,replacedreferencetoBluetoothspecificationv4.
1withv4.
0throughoutthedocument,Figure1:BlueNRGapplicationblockdiagramMinorchangesthroughoutthedocumenttoimprovereadability.
03-Nov-20157Added:Section10.
10:SPIcharacteristics16-Nov-20158Updatedtitle,Features,DescriptionandGeneraldescription.
20-Nov-20159Modifiedtitle,Features,DescriptionandGeneraldescription.
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