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FSCBT646Datasheet S BLE4.2SingleModeBluetoothModuleDatasheet Version2.1 ShenzhenFeasycomTechnologyCo.,Ltd 1 www.feasycom.com FSCBT646Datasheet Copyright20132018FeasycomTechnology. AllRightsReserved. Feasycom Technology reserves the right to make corrections, modifications, and other changes to its products, documentation and services at anytime. Customers should obtain the newest relevant information before placing orders. To minimize customer product risks, customers should provide adequate design and operating safeguards. Without written permission from Feasycom Technology, reproduction,transfer,distributionorstorageofpartorallofthecontentsinthisdocumentinanyformis prohibited. RevisionHistory Version Data 2.0 2.1 2018/12/04 2018/12/18 Notes InitialVersion UpgradetoBLE4.2 Fish Fish ContactUs ShenzhenFeasycomTechnologyCo.,LTD Email:sales@feasycom.com Address:Room20042005,20thFloor,HuichaoTechnologyBuilding,JinhaiRoad, Xixiang,BaoanDistrict,Shenzhen,518100,China. Tel:8675527924639 Tel:8675523062695 Overseas ShenzhenFeasycomTechnologyCo.,Ltd 2 www.feasycom.com FSCBT646Datasheet Contents 1. INTRODUCTION...........................................................................................................................................................4 2. GENERALSPECIFICATION.............................................................................................................................................5 3. HARDWARE SPECIFICATION......................................................................................................................................6 3.1 BLOCKDIAGRAMANDPINDIAGRAM.........................................................................................................................................6 3.2 PINDEFINITIONDESCRIPTIONS.................................................................................................................................................7 4. PHYSICALINTERFACE...................................................................................................................................................8 4.1 POWERSUPPLY.......................................................................................................................................................................8 4.2 RESET...................................................................................................................................................................................8 4.3 GENERALPURPOSEANALOGIO.................................................................................................................................................9 4.4 GENERALPURPOSEDIGITALIO..................................................................................................................................................9 4.5 RFINTERFACE........................................................................................................................................................................9 4.6 SERIALINTERFACES................................................................................................................................................................10 4.6.1 UART.........................................................................................................................................................................10 4.6.2 I2CInterface..............................................................................................................................................................11 4.7 PWMINTERFACE.................................................................................................................................................................11 5. ELECTRICALCHARACTERISTICS...................................................................................................................................11 5.1 ABSOLUTEMAXIMUMRATINGS...............................................................................................................................................11 5.2 DCELECTRICALCHARACTERISTICS............................................................................................................................................12 5.3 ACELECTRICALCHARACTERISTICS............................................................................................................................................12 6. MSL&ESD................................................................................................................................................................13 7. RECOMMENDEDTEMPERATUREREFLOWPROFILE.....................................................................................................13 8. MECHANICALDETAILS...............................................................................................................................................15 8.1 MECHANICALDETAILS............................................................................................................................................................15 8.2 HOSTPCBLANDPATTERNANDANTENNAKEEPOUTFORFSCBT646...........................................................................................16 9. HARDWAREINTEGRATIONSUGGESTIONS..................................................................................................................16 9.1 SOLDERINGRECOMMENDATIONS.............................................................................................................................................16 9.2 LAYOUTGUIDELINES(INTERNALANTENNA).................................................................................................................................17 9.3 LAYOUTGUIDELINES(EXTERNALANTENNA)................................................................................................................................17 9.3.1 AntennaConnectionandGroundingPlaneDesign..................................................................................................18 10. PRODUCTPACKAGINGINFORMATION......................................................................................................................19 10.1 DEFAULTPACKING...............................................................................................................................................................19 10.2 PACKINGBOX(OPTIONAL)...................................................................................................................................................20 11. APPLICATIONSCHEMATIC........................................................................................................................................21 ShenzhenFeasycomTechnologyCo.,Ltd 3 www.feasycom.com Application HealthThermometer HeartRate BloodPressure Proximity HumanInterfaceDevice(HID) Modulepictureasbelowshowing Figure1: FSCBT646Picture FSCBT646Datasheet 1. INTRODUCTION Overview FSCBT646isBluetoothLowEnergy4.2(BLE4.2)Module. Itcanbeusedasanapplicationprocessoraswellasa datapumpinfullyhostedsystems.MCUis32bit microcontroller.Itsupportsawiderangeofapplications fromlowend,pricesensitivedesignstocomputing intensiveonesandprovidesadvancedhighendfeatures ineconomicalproducts. VerylowactiveRF,MCUcurrentandlowpowermode currentconsumptionprovideexcellentbatterylifetime andallowforoperationonsmallcoincellbatteriesandin energyharvestingapplications. The BLE4.2 firmware includes the L2CAP service layer protocols, Security Manager (SM), Attribute Protocol
(ATT),theGenericAttributeProfile(GATT)andtheGeneric AccessProfile(GAP). Features 2.4GHzRFTransceiverCompatibleWithBluetooth lowenergy(BLE)4.2 ProgrammableTXpowerupto13dBm(Class1) RXsensitivityupto90dBm Postagestampsizedformfactor Programmablebaudrategenerator(baudratecanup to921600bps) UART,I2C,SPI,12bitADC,PWMconnectioninterfaces Bluetoothstackprofilessupport:HID OperatingVoltage:2.0Vto3.6V OperatingTemperature:40Cto+85C ShenzhenFeasycomTechnologyCo.,Ltd 4 www.feasycom.com FSCBT646Datasheet 2. GeneralSpecification Table1:GeneralSpecifications Categories Wireless Specification Features BluetoothVersion Frequency TransmitPower ReceiveSensitivity Modulation UARTInterface GPIO Host Interface and Peripherals I2CInterface ADCInterface PWM ClassBluetooth BluetoothLowEnergy ClassicBluetooth Supply Dimensions Operating Storage LeadFree Warranty HumanBodyModel Chargeddevicemodel Profiles Maximum Connections FWupgrade SupplyVoltage PowerConsumption Physical Environmental Miscellaneous Humidity MSLgrade:
ESDgrade:
Implementation Bluetoothlowenergy4.2 2.4022.480GHz
+13dBm(Maximum) 90dBm(Typical) GFSK TX,RX,CTS,RTS GeneralPurposeI/O Default115200,N,8,1 Baudratesupportfrom1200to921600 5,6,7,8databitcharacter 22(maximumconfigurable)lines Pullupresistor(33K)control Readpinlevel 2(configurablefromGPIOtotal).Upto400kbps Analoginputvoltagerange:0.4V~1.4V(or2.4V)basedonconfigure Supportssingle12bitSARADCconversion 8channels(configuredfromGPIOtotal) Upto200MSPSconversion 8PWMoutputs Supportsedgealignmentorcenteralignment Supportsfaultdetection NoSupport GATTClient&PeripheralAnyCustomServices NoSupport JLink 2.0V~3.6V DeepSleep2uA(WakeupbywakeupPADorRESET) 13mmX26.9mmX2.0mm;PadPitch1.5mm 40Cto+85C 40Cto+125C LeadfreeandRoHScompliant OneYear 10%~90%noncondensing MSL3 Allpins:4000V RFpins/NonRFpins:750V ShenzhenFeasycomTechnologyCo.,Ltd 5 www.feasycom.com FSCBT646Datasheet 3. HARDWARE SPECIFICATION 3.1 BlockDiagramandPINDiagram UART I2C PIOs/AIOs VDD 2.0V~3.6V Internal(Default) orexternal antenna BluetoothChip 16MHZ Crystal 32.768KHz
(optional) Antenna
(optional) JLink
(optional) Wake Reset Figure2:BlockDiagram EXT_ANT GND P5.2/EXT_WAKEUP P0.7 P0.2 P0.3 P2.0/I2C1_SDA P2.3/I2C1_CLK P2.2/SPI1_CLK P0.4 P3.6/SPI1_SS P2.2/SPI1_CLK P5.7/SPI1_MISO P1.0/SPI1_MOSI GND 4
. 2 P 5
. 2 P 6
. 2 P D N G T A D _ E C I 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 UART_TX UART_RX UART_CTS/P1.4 UART_RTS/P1.5 NC NC NC NC ADC6/P3.0 ADC7/P3.1 RESET VDD GND K L C _ E C I C N C N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Figure3:FSCBT646PINDiagram(TopView) ShenzhenFeasycomTechnologyCo.,Ltd 6 www.feasycom.com FSCBT646Datasheet 3.2 PINDefinitionDescriptions Table2:Pindefinition Pin PinName 1 2 3 UART_TX UART_RX UART_CTS/P1.4 O I I Type PinDescriptions UARTdataoutput UARTdatainput UARTcleartosendactivelow AlternativeFunction:Programmableinput/outputline UARTrequesttosendactivelow AlternativeFunction:Programmableinput/outputline NC NC NC NC Programmableinput/outputline AlternativeFunction:AnalogueprogrammableI/Oline Programmableinput/outputline AlternativeFunction:AnalogueprogrammableI/Oline Externalresetinput:ActiveLOW,withaninteraninternalpullup Setthispinlowresettoinitialstate Powersupplyvoltage2.0V~3.6V PowerGround NC NC DebuggingthroughtheCLKline(Default) DebuggingthroughtheDATAline(Default) Programmableinput/outputline Programmableinput/outputline Programmableinput/outputline PowerGround PowerGround Programmableinput/outputline
*TheI/Oportforreuse. Programmableinput/outputline
*TheI/Oportforreuse. Programmableinput/outputline
*TheI/Oportforreuse. Programmableinput/outputline
*TheI/Oportforreuse. Programmableinput/outputline Programmableinput/outputline
*TheI/Oportforreuse. Programmableinput/outputline AlternativeFunction:I2CCLKline(Default) Notes Note1 Note1 Note1 Note1 Note1 Note1 Note1 Note1 Note6 Note6 Note6 Note6 Note6 Note 1,3 4 5 6 7 8 9 UART_RTS/P1.5 NC NC NC NC ADC6/P3.0 10 ADC7/P3.1 11 RESET 12 VDD 13 GND 14 NC 15 NC ICE_CLK 16 ICE_DAT 17 P2.4 18 P2.5 19 P2.6 20 21 GND 22 GND 23 P1.0/SPI1_MOSI 24 P5.7/SPI1_MISO 25 P2.2/SPI1_CLK 26 P3.6/SPI1_SS P0.4 27 28 P2.2/SPI1_CLK 29 P2.3/I2C1_CLK I/O I/O I/O I Vdd Vss I/O I/O I/O I/O I/O Vss Vss I/O I/O I/O I/O I/O I I/O ShenzhenFeasycomTechnologyCo.,Ltd 7 www.feasycom.com FSCBT646Datasheet 30 P2.0/I2C1_SDA 31 P0.3 32 P0.2 33 P0.7 P5.2/EXT_WAKEUP 34 35 GND 36 EXT_ANT I/O I/O I/O I/O I/O Vss O Programmableinput/outputline AlternativeFunction:I2CDATAline(Default) Programmableinput/outputline AlternativeFunction1:AnalogueprogrammableI/Oline. AlternativeFunction2:HostMCUdisconnectbluetooth Programmableinput/outputline AlternativeFunction:LED(Default) Programmableinput/outputline AlternativeFunction:BTStatus(Default) Programmableinput/outputline RFGround RFsignaloutput Note 1,3 Note1 Note 1,4 Note 1,2 Note5 ModulePinNotes:
Note1 Note2 Note3 Forcustomizedmodule,thispincanbeworkasI/OInterface. BTStatus(Default)Disconnected:LowLevel;Connected:HighLevel. I2CSerialClockandData. ItisessentialtorememberthatpullupresistorsonbothSCLandSDAlinesarenotprovidedinthemodule andMUSTbeprovidedexternaltothemodule. LED(Default)PowerOn:LightSlowShinning;Connected:SteadyLighting. Bydefault,thisPINisanemptyfeet.ThisPINcanconnecttoanexternalantennatoimprovetheBluetooth signalcoverage. Ifyouneedtouseanexternalantenna,bymodifyingthemoduleonthe0Rresistancetoblockoutthe onboardantenna;OrcontactFeasycomformodification. ThisI/OportissharedwiththeinternalSPIFlashchip.Wedonotrecommendusingthispin,floating processing. Thispinisonlyavailablewhenthemoduleisnotequippedwithairupgradefunction. Note4 Note5 Note6 4. PHYSICALINTERFACE 4.1 PowerSupply Thetransientresponseoftheregulatorisimportant.Ifthepowerrailsofthemodulearesuppliedfromanexternal voltagesource,thetransientresponseofanyregulatorusedshouldbe20sorless.Itisessentialthatthepowerrail recoversquickly. 4.2 Reset Themodulemayberesetfromseveralsources:PoweronReset(POR),LowlevelonthenRESETPin(nRST),Watchdog timeoutreset(WDT),Lowvoltagereset(LVR). TheRESETpinisanactivelowresetandisinternallyfilteredusingtheinternallowfrequencyclockoscillator.Aresetwill beperformedbetween1.5and4.0msfollowingRESETbeingactive.ItisrecommendedthatRESETbeappliedforaperiod greaterthan5ms. ShenzhenFeasycomTechnologyCo.,Ltd 8 www.feasycom.com FSCBT646Datasheet 4.3 GeneralPurposeAnalogIO 12bitresolutionand10bitaccuracy Analoginputvoltagerange:0.4~1.4or0.4~2.4Vbasedonconfigure Uptoeightsingleendanaloginputchannels Twooperatingmodes Singlemode:A/Dconversionisperformedonetimeonaspecifiedchannel PWMsequencemode:WhenPWMtrigger,twoofthreeADCchannelsfrom0to2willautomaticallyconvert analog data in the sequence of channel [0,1] or channel[1,2] or channel[0,2] defined by MODESEL
(ADC_SEQCTL[3:2]) AnA/Dconversioncanbestartedby Softwarewrite1toSWTRGbit ExternalpinSTADC PWMtriggerwithoptionalstartdelayperiod EachConversionresultisheldindataregisterwithvalidandoverrunindicators Conversionresultscanbecomparedwithspecifiedvalueandusercanselectwhethertogenerateaninterrupt whenconversionresultmatchesthecompareregistersetting Channel8supports2inputsources:Externalanalogvoltageandinternalfixedbandgapvoltage 4.4 GeneralPurposeDigitalIO Thereare22generalpurposedigitalIOsdefinedinthemodule.AlltheseGPIOscanbeconfiguredbysoftwaretorealize variousfunctions,suchasbuttoncontrols,LEDdrivesorinterruptsignalstohostcontroller,etc.Donotconnectthemif notuse. TheI/OtypeofeachI/OpinscanbeconfiguredbysoftwareindividuallyasInputorPushpulloutputmode.Afterthe chipisreset,theI/Omodeofallpinsisinputmodewithnopullupandpulldownenable.EachI/Opinhasanindividual pullupandpulldownresistorwhichisabout30k~50kforVDDandVss. 4.5 RFInterface ForThisModule,thedefaultmodeforantennaisinternal,italsohastheinterfaceforexternalantenna.Ifyouneedto useanexternalantenna,bymodifyingthemoduleonthe0Rresistancetoblockouttheonboardantenna;Orcontact Feasycomformodification. Theusercanconnecta50ohmantennadirectlytotheRFport. 24022480MHzBLE4.2 TXoutputpowerof+13dBm. RXsensitivityupto90dBm ShenzhenFeasycomTechnologyCo.,Ltd 9 www.feasycom.com FSCBT646Datasheet 4.6 SerialInterfaces 4.6.1 UART FSCBT646providesonechannelsofUniversalAsynchronousReceiver/Transmitters(UART)(Fullduplexasynchronous communications).TheUARTControllerperformsaserialtoparallelconversionondatareceivedfromtheperipheraland aparalleltoserialconversionondatatransmittedfromtheCPU. ThisisastandardUARTinterfaceforcommunicatingwithotherserialdevices.TheUARTinterfaceprovidesasimple mechanismforcommunicatingwithotherserialdevicesusingtheRS232protocol. Whenthemoduleisconnectedtoanotherdigitaldevice,UART_RXandUART_TXtransferdatabetweenthetwodevices. Theremainingtwosignals,UART_CTSandUART_RTS,canbeusedtoimplementRS232hardwareflowcontrolwhere bothareactivelowindicators. Thismoduleoutputisat3.3VCMOSlogiclevels(tracksVCC).LevelconversionmustbeaddedtointerfacewithanRS 232levelcompliantinterface. SomeserialimplementationslinkCTSandRTStoremovetheneedforhandshaking.WedonotrecommendlinkingCTS andRTSexceptfortestingandprototyping.IfthesepinsarelinkedandthehostsendsdatawhentheFSCBT646deasserts itsRTSsignal,thereissignificantriskthatinternalreceivebufferswilloverflow,whichcouldleadtoaninternalprocessor crash.Thisdropstheconnectionandmayrequireapowercycletoresetthemodule.Werecommendthatyouadhere tothecorrectCTS/RTShandshakingprotocolforproperoperation. Table3:PossibleUARTSettings Parameter Baudrate Flowcontrol Parity Numberofstopbits Bitsperchannel Minimum Standard Maximum PossibleValues 1200baud(2%Error) 115200bps(1%Error) 921600bps(1%Error) RTS/CTS,orNone None,OddorEven 1/1.5/2 5/6/7/8 Whenconnectingthemoduletoahost,pleasemakesuretofollow. Figure4:UARTConnection ShenzhenFeasycomTechnologyCo.,Ltd 10 www.feasycom.com FSCBT646Datasheet 4.6.2 I2CInterface TwoI2CmasterandslaverdeviceswithDMA Bidirectionaldatatransferbetweenmastersandslaves MultimasterbusArbitrationbetweensimultaneouslytransmittingmasterswithoutcorruptionofserialdataon thebus Serialclocksynchronizationallowingdeviceswithdifferentbitratestocommunicateviaoneserialbus Serialclocksynchronizationcanbeusedasahandshakemechanismtosuspendandresumeserialtransfer Builtin14bittimeoutcounterthatrequeststheI2CinterruptiftheI2Cbushangsupandtimeroutcounter overflows Programmableclocksallowforversatileratecontrol Supportsmultipleaddressrecognition 4.7 PWMInterface Uptofourbuiltin16bitPWMgenerators,providingeightPWMoutputsorfourcomplementarypairedPWM outputs Individualclocksource,clockdivider,8bitprescalaranddeadtimegeneratorforeachPWMgenerator PWMinterruptsynchronizedtoPWMperiod Supportsedgealignmentorcenteralignment Supportsfaultdetection 5. ELECTRICALCHARACTERISTICS 5.1 AbsoluteMaximumRatings Absolutemaximumratingsforsupplyvoltageandvoltagesondigitalandanaloguepinsofthemodulearelistedbelow. Exceedingthesevaluescausespermanentdamage. TheaveragePIOpinoutputcurrentisdefinedastheaveragecurrentvalueflowingthroughanyoneofthecorresponding pinsfora100mSperiod.ThetotalaveragePIOpinoutputcurrentisdefinedastheaveragecurrentvalueflowingthrough allofthecorrespondingpinsfora100mSperiod.Themaximumoutputcurrentisdefinedasthevalueofthepeakcurrent flowingthroughanyoneofthecorrespondingpins. Table4:AbsoluteMaximumRating Symbol VDD VI VO TOP TSTG Description BTInputvoltage Inputvoltage Outputvoltage OperatingTemperature StorageTemperature Min 0.3 0.3 VSS 40 40 Trp Max 3.6 VDD VDD 85 125 Unit V V V C C Note:ExceedingoneormoreofthelimitingvaluesmaycausepermanentdamagetoFSCBT646. Caution:Electrostaticsensitivedevice,complywithprotectionruleswhenoperating. ShenzhenFeasycomTechnologyCo.,Ltd 11 www.feasycom.com FSCBT646Datasheet 5.2 DCElectricalCharacteristics Table5:Voltageandcurrent Symbol VDDVSS TA I1 VOH VOL VIH VIL Parameter DCPowerSupply OperatingTemperature StandbyCurrentinSleepmode Outputhighlevelvoltage Outputlowlevelvoltage Inputhighlevelvoltage Inputlowlevelvoltage Min 2.0 40 VDD0.3 VSS 2.0 VSS Type 3 25 1.5 3 Max 3.6
+85 VDD VSS+0.3 3.6 VSS+0.3 Unit V C uA V V V V TestConditions TA=25C WakeupPADorRESET 5.3 ACElectricalCharacteristics Table6:RF Parameter Operatingfrequency PLLProgrammingresolution Crystalfrequency Datarate Frequency deviation Channel spacing Output power 20dB Bandwidth for Modulated Carrier at 1Mbps Maximum received signal at <0.1% BER Sensitivity (0.1%BER) @1Mbps C/I Co-channel interference Adjacent 1MHz interference Adjacent 2MHz interference Adjacent 3MHz interference Image frequency interference Ajacent1MHzinterferencetoinbandimagefreq Min 2402 225 18 Type Max 1 16 1 250 2 1.5 10 90 11 2 22 38 12 24 2480 275 13 Unit MHz MHz MHz Mbps KHz MHz dBm MHz dBm dBm dB dB dB dB dB dB Symbol Generalfrequency Fop PLLres Fxtal DR f1M FCH1M Transmitter PRF PBW Receiver RXmax RXSENS C/ICO C/I1MHz C/I2MHz C/I3MHz C/Iimage C/Iimage1MHz Table7:ADC Symbol Resolution Enob IOT Parameter OperationCurrent Min 880 Type 12 10 1000 Max 1660 Unit Bit Bit uA ShenzhenFeasycomTechnologyCo.,Ltd 12 www.feasycom.com FSCBT646Datasheet Pclk FS Fin VrefpVrefn Cin VCM DATA SFDR SystemClock SampleRate Analoginputvoltage,ReferencevoltageVbg InputCapacitane ADCOutput SpuriousFreeDynamicrange 0 1 0.9 000 2 10 72 52 0.5 40 2 1.4 FFF MHz MHz KHz V pF V HEX dB 6. MSL&ESD Table8:MSLandESD Parameter MSLgrade:
ESDgrade:
TestConditions MSL3(1) Humanbodymodel(HBM),perANSI/ESDA/JEDECJS001(2) Chargeddevicemodel(CDM),perJESD22C101(3) Allpins RFpins NonRFpins Value 4000V 750V 750V
(1)TheMoistureSensitivityLevelratingaccordingtotheJEDECindustrystandardclassifications,andpeaksolder temperature.
(2)JEDECdocumentJEP155statesthat500VHBMallowssafemanufacturingwithastandardESDcontrolprocess.
(3)JEDECdocumentJEP157statesthat250VCDMallowssafemanufacturingwithastandardESDcontrolprocess. 7. RECOMMENDEDTEMPERATUREREFLOWPROFILE Priortoanyreflow,itisimportanttoensurethemoduleswerepackagedtopreventmoistureabsorption.Newpackages containdesiccate(toabsorbmoisture)andahumidityindicatorcardtodisplaythelevelmaintainedduringstorageand shipment.Ifdirectedtobakeunitsonthecard,pleasecheckthePicturebelowandfollowinstructionsspecifiedby IPC/JEDECJSTD033. Note:Theshippingtraycannotbeheatedabove65C.Ifbakingisrequiredatthehighertemperaturesdisplayedinthe Picturebelow,themodulesmustberemovedfromtheshippingtray. Anymodulesnotmanufacturedbeforeexceedingtheirfloorlifeshouldberepackagedwithfreshdesiccateandanew humidityindicatorcard.FloorlifeforMSL(MoistureSensitivityLevel)3devicesis168hoursinambientenvironment 30C/60%RH. Table9:Recommendedbakingtimesandtemperatures 125CBakingTemp. MSL Saturated@
30C/85%
FloorLifeLimit
+72hours@
30C/60%
90C/5%RHBakingTemp. Saturated@
30C/85%
FloorLifeLimit
+72hours@
30C/60%
40C/5%RHBakingTemp. Saturated@
30C/85%
FloorLifeLimit
+72hours@
30C/60%
ShenzhenFeasycomTechnologyCo.,Ltd 13 www.feasycom.com FSCBT646Datasheet 3 9hours 7hours 33hours 23hours 13days 9days Feasycomsurfacemountmodulesaredesignedtobeeasilymanufactured,includingreflowsolderingtoaPCB.Ultimately itistheresponsibilityofthecustomertochoosetheappropriatesolderpasteandtoensureoventemperaturesduring reflowmeettherequirementsofthesolderpaste.FeasycomsurfacemountmodulesconformtoJSTD020D1standards forreflowtemperatures. Thesolderingprofiledependsonvariousparametersnecessitatingasetupforeachapplication. Thedatahereisgiven onlyforguidanceonsolderreflow. Figure5:TypicalLeadfreeReflow Preheatzone(A)Thiszoneraisesthetemperatureatacontrolledrate,typically0.52C/s. Thepurposeofthis zoneistopreheatthePCBboardandcomponentsto120~150C. Thisstageisrequiredtodistributetheheatuniformly tothePCBboardandcompletelyremovesolventtoreducetheheatshocktocomponents. EquilibriumZone1(B)Inthisstagethefluxbecomessoftanduniformlyencapsulatessolderparticlesandspreadover PCBboard,preventingthemfrombeingreoxidized. Alsowithelevationoftemperatureandliquefactionofflux,each activatorandrosingetactivatedandstarteliminatingoxidefilmformedonthesurfaceofeachsolderparticleandPCB board.Thetemperatureisrecommendedtobe150to210for60to120secondforthiszone. EquilibriumZone2(C)(optional)Inordertoresolvetheuprightcomponentissue,itisrecommendedtokeepthe temperaturein210217forabout20to30second. ReflowZone(D)TheprofileinthefigureisdesignedforSn/Ag3.0/Cu0.5. Itcanbeareferenceforotherleadfree solder.Thepeaktemperatureshouldbehighenoughtoachievegoodwettingbutnotsohighastocausecomponent discolorationordamage.Excessivesolderingtimecanleadtointermetallicgrowthwhichcanresultinabrittlejoint.The recommended peak temperature (Tp) is 230 ~ 250 C. The soldering time should be 30 to 90 second when the temperatureisabove217C. CoolingZone(E)Thecoolingateshouldbefast,tokeepthesoldergrainssmallwhichwillgivealongerlastingjoint. Typicalcoolingrateshouldbe4C. ShenzhenFeasycomTechnologyCo.,Ltd 14 www.feasycom.com FSCBT646Datasheet 8. MECHANICALDETAILS 8.1 MechanicalDetails Dimension: 13mm(W)x26.9mm(L)x2.0mm(H) Tolerance:0.1mm Modulesize: 13mmX26.9mm Tolerance:0.2mm Padsize: 1mmX0.8mm Tolerance:0.1mm Padpitch: 1.5mm Tolerance:0.1mm 2.0mm Figure6:FSCBT646footprint ShenzhenFeasycomTechnologyCo.,Ltd 15 www.feasycom.com FSCBT646Datasheet 8.2 HostPCBLandPatternandAntennaKeepoutforFSCBT646 PleasecheckthepicturebelowforPadStructureandKeepOutArea:
Figure7:HostPCBTopView 9. HARDWAREINTEGRATIONSUGGESTIONS 9.1 SolderingRecommendations FSCBT646iscompatiblewithindustrialstandardreflowprofileforPbfreesolders.Thereflowprofileusedisdependent onthethermalmassoftheentirepopulatedPCB,heattransferefficiencyoftheovenandparticulartypeofsolderpaste used.Consultthedatasheetofparticularsolderpasteforprofileconfigurations. Feasycomwillgivefollowingrecommendationsforsolderingthemoduletoensurereliablesolderjointandoperationof themoduleaftersoldering.Sincetheprofileusedisprocessandlayoutdependent,theoptimumprofileshouldbestudied casebycase.Thusfollowingrecommendationshouldbetakenasastartingpointguide. ShenzhenFeasycomTechnologyCo.,Ltd 16 www.feasycom.com FSCBT646Datasheet 9.2 LayoutGuidelines(InternalAntenna) Itisstronglyrecommendedtousegoodlayoutpracticestoensureproperoperationofthemodule.Placingcopperorany metalnearantennadeterioratesitsoperationbyhavingeffectonthematchingproperties.Metalshieldaroundthe antennawillpreventtheradiationandthusmetalcaseshouldnotbeusedwiththemodule.Usegroundingviasseparated max3mmapartattheedgeofgroundingareastopreventRFpenetratinginsidethePCBandcausinganunintentional resonator.UseGNDviasallaroundthePCBedges. Themotherboardshouldhavenobareconductorsorviasinthisrestrictedarea,becauseitisnotcoveredbystopmask print.Alsonocopper(planes,tracesorvias)areallowedinthisarea,becauseofmismatchingtheonboardantenna. Figure8:FSCBT646RestrictedArea FollowingrecommendationshelpstoavoidEMCproblemsarisinginthedesign.Notethateachdesignisuniqueandthe followinglistdonotconsiderallbasicdesignrulessuchasavoidingcapacitivecouplingbetweensignallines.Following listisaimedtoavoidEMCproblemscausedbyRFpartofthemodule.Usegoodconsiderationtoavoidproblemsarising fromdigitalsignalsinthedesign. Ensurethatsignallineshavereturnpathsasshortaspossible.Forexampleifasignalgoestoaninnerlayerthroughavia, alwaysusegroundviasaroundit.Locatethemtightlyandsymmetricallyaroundthesignalvias.Routingofanysensitive signalsshouldbedoneintheinnerlayersofthePCB.Sensitivetracesshouldhaveagroundareaaboveandunderthe line.Ifthisisnotpossible,makesurethatthereturnpathisshortbyothermeans(forexampleusingagroundlinenext tothesignalline). 9.3 LayoutGuidelines(ExternalAntenna) PlacementandPCBlayoutarecriticaltooptimizetheperformancesofamodulewithoutonboardantennadesigns.The tracefromtheantennaportofthemoduletoanexternalantennashouldbe50andmustbeasshortaspossibleto avoidanyinterferenceintothetransceiverofthemodule. ThelocationoftheexternalantennaandRFINportofthe moduleshouldbekeptawayfromanynoisesourcesanddigitaltraces.Amatchingnetworkmightbeneededinbetween theexternalantennaandRFINporttobettermatchtheimpedancetominimizethereturnloss. ShenzhenFeasycomTechnologyCo.,Ltd 17 www.feasycom.com FSCBT646Datasheet Asindicatedinpicturebelow,RFcriticalcircuitsofthemoduleshouldbeclearlyseparatedfromanydigitalcircuitsonthe systemboard. AllRFcircuitsinthemoduleareclosetotheantennaport. Themodule,then,shouldbeplacedinthis waythatmoduledigitalparttowardsyourdigitalsectionofthesystemPCB. Nonenmitting circuits Nonenmitting circuits RF_IN DigitalPart Digital&AnalogCircuits PCB Figure9:PlacementtheModuleonaSystemBoard 9.3.1 AntennaConnectionandGroundingPlaneDesign Figure10:Leave5mmClearanceSpacefromtheAntenna Generaldesignrecommendationsare:
Thelengthofthetraceorconnectionlineshouldbekeptasshortaspossible. Distancebetweenconnectionandgroundareaonthetoplayershouldatleastbeaslargeasthedielectricthickness. RoutingtheRFclosetodigitalsectionsofthesystemboardshouldbeavoided. Toreducesignalreflections,sharpanglesintheroutingofthemicrostriplineshouldbeavoided.Chamfersorfillets arepreferredforrectangularrouting;45degreeroutingispreferredoverManhattanstyle90degreerouting. ShenzhenFeasycomTechnologyCo.,Ltd 18 www.feasycom.com FSCBT646Datasheet Figure11:RecommendedTraceConnectsAntennaandtheModule RoutingoftheRFconnectionunderneaththemoduleshouldbeavoided.Thedistanceofthemicrostriplinetothe groundplaneonthebottomsideofthereceiverisverysmallandhashugetolerances.Therefore,theimpedanceof thispartofthetracecannotbecontrolled. Useasmanyviasaspossibletoconnectthegroundplanes. 10. PRODUCTPACKAGINGINFORMATION 10.1 DefaultPacking a,Trayvacuum b,TrayDimension:180mm*195mm ShenzhenFeasycomTechnologyCo.,Ltd 19 www.feasycom.com FSCBT646Datasheet 10.2 Packingbox(Optional) Figure12:Trayvacuum
*Ifrequireanyotherpacking,mustbeconfirmedwithcustomer
*Package:1000PCSPerCarton(MinCartonPackage) Figure13:PackingBox ShenzhenFeasycomTechnologyCo.,Ltd 20 www.feasycom.com FSCBT646Datasheet 11. Certifications FCCID:2AMWOFSCBT646
(OEM)Integratorhastoassurecomplianceoftheentireendproductincl.theintegratedRFModule. For 15 B (15.107 and if applicable 15.107) compliance, the host manufacturer is required to show compliancewith15whilethemoduleisinstalledandoperating. Furthermorethemoduleshouldbetransmittingandtheevaluationshouldconfirmthatthemodule's intentionalemissions(15C)arecompliant(fundamental/outofband).Finallytheintegratorhastoapply the appropriate equipment authorization (e.g. Verification) for the new host device per definition in 15.101. Integratorisremindedtoassurethattheseinstallationinstructionswillnotbemadeavailabletotheend userofthefinalhostdevice. Thefinalhostdevice,intowhichthisRFModuleisintegrated"hastobelabelledwithanauxiliarylable statingtheFCCIDoftheRFModule,suchas"ContainsFCCID:2AMWOFSCBT646
"Thisdevicecomplieswithpart15oftheFCCrules.Operationissubjecttothefollowingtwoconditions:
(1)thisdevicemaynotcauseharmfulinterference,and
(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesired operation."
NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainst harmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,usesandcanradiateradio frequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmful interferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurin aparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception, whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrect theinterferencebyoneormoreofthefollowingmeasures:
Reorientorrelocatethereceivingantenna. Increasetheseparationbetweentheequipmentandreceiver. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Changesormodificationstothisunitnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheuser'sauthoritytooperatetheequipment. ShenzhenFeasycomTechnologyCo.,Ltd 21 www.feasycom.com Module statement The single-modular transmitter is a self-contained, physically delineated, component for which compliance can be demonstrated independent of the host operating conditions, and which complies with all eight requirements of 15.212(a)(1) as summarized below. 1) The radio elements have the radio frequency circuitry shielded. 2) The module has buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal. 3) The module contains power supply regulation on the module. 4) The module contains a permanently attached antenna. 5) The module demonstrates compliance in a stand-alone configuration. 6) The module is labeled with its permanently affixed FCC ID label 7) The module complies with all specific rules applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. 8) The module complies with RF exposure requirements. This transmitter/module must not be collocated or operating in conjunction with any other antenna or transmitter. FCC Part 15.247
- List of applicable FCC rules
- Summarize the specific operational use conditions This transmitter/module and its antenna(s) must not be co-located or operating in conjunction with any other antenna or transmitter. This information also extends to the host manufacturers instruction manual.
- Limited module procedures not applicable
- Trace antenna designs It is not applicable as trace antenna which is not used on the module.
- RF exposure considerations This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This compliance to FCC radiation exposure limits for an uncontrolled environment, and minimum of 50cm separation between antenna and body. The host product manufacturer would provide the above information to end users in their end-product manuals.
- Antennas The module equipped with PCB Antenna2dBi, 2.402 GHz to 2.480GHz.
- Label and compliance information The end product must carry a physical label or shall use e-labeling followed KDB784748D01 and KDB 784748 stating Contains Transmitter Module FCC ID: 2AMWOFSC-BT646.
- Additional testing, Part 15 Subpart B disclaimer The modular transmitter is only FCC authorized for the specific rule parts (FCC Part15.247) listed on the grant, and that the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. The final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed when contains digital circuity. 2.9 Informationontestmodesandadditionaltestingrequirements Informationontestmodes:
Thehostmanufacturercanusesoftwareforaccesstothetestmodes.Connectedtothedevicethrough theserialportofthehostproductandcontrolthemodule.Ifitdoesnotwork,thenthehostproduct manufacturershouldcoordinatewiththemodulemanufacturerforaccesstotestmodesoftware. Thefollowingprovidesguidancetohostproductwheninstallingthismoduleonhowtheymayverify theendproduct:
A. Ifthemodulartransmitterhasbeenfullytestedbythemodulegranteeontherequirednumberof channels,modulationtypes,andmodes,itshouldnotbenecessaryforthehostinstallertoretestall theavailabletransmittermodesorsettings.Itisrecommendedthatthehostproductmanufacturer, installing the modular transmitter, perform some investigative measurements to confirm that the resultingcompositesystemdoesnotexceedthespuriousemissionslimitsorbandedgelimits(e.g., whereadifferentantennamaybecausingadditionalemissions). B. Thetestingshouldcheckforemissionsthatmayoccurduetotheintermixingofemissionswiththe othertransmitters,digitalcircuitry,orduetophysicalpropertiesofthehostproduct(enclosure).This investigation is especially important when integrating multiple modular transmitters where the certificationisbasedontestingeachoftheminastandaloneconfiguration.Itisimportanttonote thathostproductmanufacturersshouldnotassumethatbecausethemodulartransmitteriscertified thattheydonothaveanyresponsibilityforfinalproductcompliance. C. If the investigation indicates a compliance concern the host product manufacturer is obligated to mitigate the issue. Host products using a modular transmitter are subject to all the applicable individualtechnicalrulesaswellastothegeneralconditionsofoperationinSections15.5,15.15,and 15.29tonotcauseinterference.Theoperatorofthehostproductwillbeobligatedtostopoperating thedeviceuntiltheinterferencehasbeencorrected. ShenzhenFeasycomTechnologyCo.,Ltd 22 www.feasycom.com
1 | 08 ExtPho | External Photos | 717.77 KiB | January 09 2019 |
External Photos TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT
1 | 09 IntPho | Internal Photos | 492.34 KiB | January 09 2019 |
Internal Photos INTERNAL VIEW-1 OF EUT Antenna INTERNAL VIEW-2 OF EUT INTERNAL VIEW-3 OF EUT
frequency | equipment class | purpose | ||
---|---|---|---|---|
1 | 2019-09-01 | 2402 ~ 2480 | DTS - Digital Transmission System | Original Equipment |
app s | Applicant Information | |||||
---|---|---|---|---|---|---|
1 | Effective |
2019-09-01
|
||||
1 | Applicant's complete, legal business name |
Shenzhen Feasycom Technology Co.,Ltd
|
||||
1 | FCC Registration Number (FRN) |
0026678862
|
||||
1 | Physical Address |
Room 2004A, 20th Floor, Huichao Technology Building, Jinhai Road, Xixiang, Baoan District,
|
||||
1 |
Room 2004A, 20th Floor, Huichao Technology
|
|||||
1 |
Shenzhen, N/A
|
|||||
1 |
China
|
|||||
app s | TCB Information | |||||
1 | TCB Application Email Address |
j******@eurofins.com
|
||||
1 | TCB Scope |
A4: UNII devices & low power transmitters using spread spectrum techniques
|
||||
app s | FCC ID | |||||
1 | Grantee Code |
2AMWO
|
||||
1 | Equipment Product Code |
FSC-BT646
|
||||
app s | Person at the applicant's address to receive grant or for contact | |||||
1 | Name |
W****** Z********
|
||||
1 | Telephone Number |
+86-7********
|
||||
1 | Fax Number |
+86-7********
|
||||
1 |
z******@feasycom.com
|
|||||
app s | Technical Contact | |||||
n/a | ||||||
app s | Non Technical Contact | |||||
n/a | ||||||
app s | Confidentiality (long or short term) | |||||
1 | Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: | Yes | ||||
1 | Long-Term Confidentiality Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: | No | ||||
if no date is supplied, the release date will be set to 45 calendar days past the date of grant. | ||||||
app s | Cognitive Radio & Software Defined Radio, Class, etc | |||||
1 | Is this application for software defined/cognitive radio authorization? | No | ||||
1 | Equipment Class | DTS - Digital Transmission System | ||||
1 | Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant) | Bluetooth module | ||||
1 | Related OET KnowledgeDataBase Inquiry: Is there a KDB inquiry associated with this application? | No | ||||
1 | Modular Equipment Type | Single Modular Approval | ||||
1 | Purpose / Application is for | Original Equipment | ||||
1 | Composite Equipment: Is the equipment in this application a composite device subject to an additional equipment authorization? | No | ||||
1 | Related Equipment: Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? | No | ||||
1 | Grant Comments | Power listed is conducted. Singular Modular Approval. Compliance of this device in all final host configurations is the responsibility of the Grantee. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance. OEM integrators are instructed to ensure that the end user has no manual instructions to remove or install the device. SAR evaluation is valid for portable applications with an minimum distance of 5mm to human bodies. | ||||
1 | Is there an equipment authorization waiver associated with this application? | No | ||||
1 | If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded? | No | ||||
app s | Test Firm Name and Contact Information | |||||
1 | Firm Name |
Attestation of Global Compliance (Shenzhen) Co., L
|
||||
1 | Name |
D****** L******
|
||||
1 | Telephone Number |
+86-7********
|
||||
1 |
d******@agc-cert.com
|
|||||
Equipment Specifications | |||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Line | Rule Parts | Grant Notes | Lower Frequency | Upper Frequency | Power Output | Tolerance | Emission Designator | Microprocessor Number | |||||||||||||||||||||||||||||||||
1 | 1 | 15C | 2402.00000000 | 2480.00000000 | 0.0041000 |
some individual PII (Personally Identifiable Information) available on the public forms may be redacted, original source may include additional details
This product uses the FCC Data API but is not endorsed or certified by the FCC