GEM 2 Dual Band Bluetooth and ANT+ Module HardwareIntegrationGuide Version0.1 July27,16 Wahoo Fitness 90W.WieucaRoadN.E.Suite110 Atlanta,GA30342 Telephone:18779781112 Email:support@wahoofitness.com www.wahoofitness.com GEM2ModuleHardwareIntegrationGuide Version0.1 Wahoo Fitness LLC 2015 Version 0.1 Revision History RevisionDate May2,2016 ChangeHistory InitialDraft WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 2 GEM2ModuleHardwareIntegrationGuide Contents REVISION HISTORY CONTENTS OVERVIEW AND KEY FEATURES FEATURES SPECIFICATION SPECIFICATION SUMMARY HARDWARE SPECIFICATIONS BLOCK DIAGRAMS AND PINOUT PIN DEFINITIONS ELECTRICAL SPECIFICATIONS DESIGN CONSIDERATIONS HARDWARE MODULE LAYOUT CONSIDERATIONS ANTENNA CHARACTERISTICS MECHANICAL INFORMATION DIMENSIONS (IN MM) RECOMMENDED PAD LAYOUT TAPE AND REEL INFORMATION Version0.1 2 3 4 4 5 5 6 6 7 8 8 8 10 11 12 12 12 13 SOLDERING GUIDELINES REGULATORY & STANDARDS INFORMATION FCC & INDUSTRY CANADA FEDERALCOMMUNICATIONCOMMISSION(FCC)RADIATIONEXPOSURESTATEMENT: FCCLABELINGREQUIREMENTS FCCWARNING:
INDUSTRYCANADA(IC)WARNING:
CE BLUETOOTH QUALIFICATION 13 13 13 13 13 14 14 16 17 ORDERING DETAILS FURTHER ASSISTANCE WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 17 17 3 GEM2ModuleHardwareIntegrationGuide Version0.1 Features Overview and Key Features TheGEMmodulehasbeendesignedtoallowOEMstoeasilyaddBluetoothandANT+
wirelessconnectivityintheirproductoffering.TheGEM2moduleincorporatesWahoo Fitnesssoftwarespecificallydesignedtoenablefitnessmachinessuchastreadmills, exercisebikes,ellipticals,rowers,stairclimbersandstepmachinestowirelessly communicateexercisedatawithsmartphoneortabletsaswellasleaderboardsoftware systems.Forapplicationsotherthanfitnessmachines,developerscanuseNordic SemiconductorsSDKtocreatetheirownembeddedapplicationspecificsoftware. TheGEM2moduleisbasedonNordicSemicondutorsnRF52832multiprotocolBluetooth andANT+chipset.TheGEM2moduleoffersavarietyofperipheralinterfacesincluding UART,SPI,I2C,ADC,andGPIO,hasamaximumtransmitpowerof+4dBm,andasensitivity of96dBm.ThismanualisintendedtoassisthardwareintegrationoftheGEM2module intoagivendesign.DetailsonWahoosGEMSAFEandGEMHCIsoftwarecanbefound www.wahoogy.com.ForapplicationsusingNordicSemiconductorSDK,pleasereferto NordicSemiconductorsSDKavailableatdeveloper.nordicsemi.com. 96dBmsensitivity TXPower20to+4dBmin4dBsteps xxmlineofsightrange 5.3mApeakTX@0dB 5.4mApeakRX 1dBdBRSSIresolution ARMCortexTMM4F32bitprocessorrunningat64MHz 512kBembeddedflashmemoryand64kBRAM OnboardNFCforOutofBandpairing PeripheralInterfaces:ADC,GPIO,SPI,I2C,UART,Lowpowercomparator, Temperaturesensor AESHWencryption FCC,CE,ICcertified IntegratedAntenna RoHScompliant BluetoothEndProductListed IntegratedFitnessEquipmentFirmwareandmobileapplication WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 4 GEM2ModuleHardwareIntegrationGuide Version0.1 Specification Specification Summary Category RF Peripherals FWUpgrade ControlProtocol SupplyVoltage PowerConsumption Physical Environmental Approvals WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 Feature Bluetooth ANT+
Frequency MaximumTransmitPower MinimumTransmitPower ReceiveSensitivity Range UARTHostInterface GPIO WahooFirmware GEMSAFEorGEMHCI MinMaxRecommended Implementation 4.1SingleModePeripheral Broadcast 2.4022.480GHz
+4dBm 20dBm 96dBm uptoTBDmlineofsight TX,RX115.2kbpsn,8,1 LinkIndicator PairingButton Overtheair ViaJTAGinterface CSAFECommandInterface orGEMHCIbinarycommand interface 1.7V3.6V3.0V TBD TBD.mmxTBDmm 40to+85C FCC,IC,CE,BluetoothEPL 5 GEM2ModuleHardwareIntegrationGuide Hardware Specifications Block Diagrams and Pinout Version0.1 HardwareBlockDiagram SoftwareDiagram
(GND) 0
(GND) 1
( P0.26) 2
(P 0.27) 3
( P0.28) 4
( P0.29) 5
( P0.30) 6
( P0.31) 7
( P0.05) 8
( PAI R) 9 26 (G N D) 25 (P0.21/RST) 24 (RESERVED) 23 (SW DCLK) 22 (SW DI O) 21 (P0.16) 20 (P0.15) 19 (P0.14) 18 (VCC) 17 (GND)
.
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0 1 6 1 3 1 4 1 2 1 5 1 1 1 0 P 0 P 0 P 0 P
) 7 0
) 8 0
) 2 0
) 1 0
) 1 D E L
) 1 C F N
) 2 C F N PinoutDiagram WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 6 Pin Definitions GEM2ModuleHardwareIntegrationGuide PinName Pinnumber GND 0 GND 1 SPIEnable 2 LED 3 ProgrammableI/O 4 ProgrammableI/O 5 ProgrammableI/O 6 ProgrammableI/O 7 NC 8 NC 9 NC 10 NC 11 PAIR 12 UARTTX/SPIMISO 13 UARTRX/SPIMOSI 14 NFC1 15 NFC2 16 GND 17 VCC 18 UARTCTS/SPISlave 19 Event UARTRTS/SPISS 20 GPIO/SPISCLK 21 RESET/SWDIO 22 SWCLK 23 Wake 24 RESET 25 GND 26 WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 Function SPImodeenable GPIOtotriggerLEDfor pairing/connection indication ADCorGPIO ADCorGPIO ADCorGPIO ADCorGPIO RESERVED RESERVED GPIOtotrigger advertising Hostinterface Hostinterface NFCantennainput1 NFCantennainput2 ModulePowerGround ModulePowerSupply Flowcontrol Flowcontrol GPIOorSPIClock DebugInterface DebugInterface Wakesmodulefromsleep ModuleReset Version0.1 Comment ConnecttoGNDPlane ConnecttoGNDPlane ActiveHigh Reservedfor32kHz crystalifarealtime clockisneededduring modulesleep Reservedfor32kHz crystalifarealtime clockisneededduring modulesleep Activelow ConnecttoGNDPlane 7 GEM2ModuleHardwareIntegrationGuide Version0.1 Recommended Operating Parameters Design Considerations Max 3.6V 10mV 60ms
+85C Electrical Specifications Absolute Maximum ratings Max
+3.9V VCC+.3V
+85C Typical 3.0V Maximumandminimumratingsfordigitalandanalogpinsarelistedbelow. Parameter Min VCCVoltage 0.3V 0.3V VoltageatVIO StorageTemperature 40C Parameter Min VCC 1.7V VCCmaximumripple VCCRisetime OperatingTemperature@3.3V 40C TheGEM2modulehasbeendesignedforeasyintegrationintoOEMapplicationsrequiring minimaladditionalcomponentry.Thefollowingsectionprovidessuggestionstoensure successfuldesigninoftheGEM2module. VCCEnsurethepowersourceoperatingrangeandnoiseiswithinthespecifiedlimitsforthe GEM2moduleandfiltercapacitorsareincorporatedasneeded.TheGEM2module includesdecouplingcapacitorsforcircuitswithinthemodule.Externalcircuitssharingthe samepowersourceshouldalsobedecoupledlocallyatconnectionstoVCCandGND. TheGEM2modulefirmwarecanbeupdatedovertheairusingtheWahooutility application.TheWahooutilityapplicationcanbedownloadedhere:www.xxxx.yyy.com TheGEM2modulefirmwarecanalsobeupdatedthroughtheSerialWireDebuginterface. Thefollowingcircuitexampleprovidesareferencefordeveloperswantinganalternativeto programmingtheGEM2moduleovertheair:
WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 Updating Module Firmware Hardware 8 GEM2ModuleHardwareIntegrationGuide Version0.1 UART Host ExampleforSerialWireDebugInterface TheUARTisrequiredforcommunicatingbetweentheGEM2moduleandfitnessmachine consoleusingtheGEMSAFEorHCIcommandprotocol.Pins13and14ofthemodulehave beenconfiguredastheUARTinterface.Pin13istheUARTTXlineandpin14istheUART RXline. TheGEM2modulecanberesetbyholdingPIN25lowfor0.5us.Thefollowingisan exampleresetcircuit:
Reset ExampleResetCircuit WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 9 GEM2ModuleHardwareIntegrationGuide Module Layout Considerations Version0.1 1. Good:Placemoduleantennasideascloseaspossibletotheboardedge.Better:
Allowmoduleantennaareatooverhangtheedgeoftheboardby~5.6mm. 2. Good:Defineacopperkeepoutareaapprox.53mmx20mm,6mminfrommodule edge.Better:Increasethekeepoutarea,startingat6mminfrommoduleedge. 3. Mechanicalitems(especiallymetal)shouldbekeptasfaraspossiblefromthe moduleantennainalldirections,includingaboveandbelowtheboardsurface.If possible,movemechanicalitemsoutandawayfromthekeepoutarea. 4. Bottomlayergroundplaneunderthemodulestronglyrecommended.Connectall groundpinsdirectlytogroundplane. 5. Toplayergroundplaneisgoodtohavewhereverpractical,butavoidhavingcopper directlyunderthemodule. 6. PlaceViastitchingwherebothtopandbottomlayergroundplanesareused, especiallyalongtheplaneedgesadjacentthemodule. Topsideareadirectlyunderthemoduleshouldbekeptclearofcopper,silkscreenand vias 10 WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 GEM2ModuleHardwareIntegrationGuide Version0.1 TheGEM2moduleincludesanintegratedmonopolechipantenna.Antennaperformance willdependonhostPCBlayout.Thefollowingplotsshowantennaradiationpatternofthe GEM2antenna. Antenna Characteristics 2.4GHz 2.442GHz 2.484GHz Antenna Gain: 5.46dBi (Typ.) WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 11 GEM2ModuleHardwareIntegrationGuide Mechanical Information Dimensions (in mm) Version0.1 TopView SideView Thelandpatterndimensionscanbemodifiedbasedonexperience. Recommended Pad Layout WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 12 Version0.1 Soldering Guidelines Tape and Reel Information Regulatory & Standards Information FCC & Industry Canada GEM2ModuleHardwareIntegrationGuide TBD SeetheStencilpatternaboveforsolderpasteapplication.RecommendedStencilthickness is120um. TheGEM2modulehasmodularapprovalfortheUnitedStatesandCanada.Toensure compliancewhenusingtheGEM2moduleinadesign,theOEMisrequiredtoadheretothe implementationconsiderationssuppliedinthishardwareintegrationguide. ThisdeviceisincompliancewithSARforgeneralpopulation/uncontrolledexposurelimits inANSI/IEEEC95.11999andhadbeentestedinaccordancewiththemeasurement methodsandproceduresspecifiedinOETBulletin65SupplementC. Thistransceivermustnotbecolocatedoroperatinginconjunctionwithanyotherantenna, transmitter,orexternalamplifiers.Furthertesting/evaluationoftheendproductwillbe requirediftheOEMsdeviceviolatesanyoftheserequirements. TheGEM2Moduleisfullyapprovedformobileandportableapplications. WARNING:TheOEMmustensurethatFCClabelingrequirementsaremet.Thisincludesa clearlyvisiblelabelontheoutsideoftheOEMenclosurespecifyingtheappropriateFCC identifierisvisible. FCCID:PADWF116 Contains IC:10563AWF116 IfOEMdeviceislargerthan8x10cm,thefollowingFCCpart15.19statementhastobe visibleonoutsideofdevice:
Federal Communication Commission (FCC) Radiation Exposure Statement: FCC Labeling Requirements The enclosed device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. 13 WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 Comments GEM2ModuleHardwareIntegrationGuide Version0.1 Labelandtextinformationtypeshouldbelargeenoughtobelegibleandconsistentwiththe dimensionsoftheequipmentandthelabel.Thetypesizeisnotrequiredtobelargerthan eightpoints. TheOEMshouldhavetheirdevicetestedbyaqualifiedtesthousetoverifycompliancewith FCCPart15SubpartBlimitsforunintentionalradiators. AnymodificationstotheGEM2modulecouldvoidtheOEMsauthoritytooperatethe equipment. ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigital device,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovide reasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.This equipmentgenerates,uses,andcanradiateradiofrequencyenergyand,ifnotinstalledand usedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewillnotoccurina particularinstallation.Ifthisequipmentdoesnotcauseharmfulinterferencetoradioor televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuser isencouragedtocorrecttheinterferencebyoneormoreofthefollowingmeasures:
Reorientorrelocatethereceivingantenna Increasetheseparationbetweentheequipmentandthereceiver Connecttheequipmenttoanoutletonacircuitthatisdifferentfromthattowhich thereceiverisconnected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. THISDEVICECOMPLIESWITHPART15OFTHEFCCRULESANDINDUSTRYCANADA LICENSEEXEMPTRSSSTANDARD(S).OPERATIONISSUBJECTTOTHEFOLLOWINGTWO CONDITIONS:(1)THISDEVICEMAYNOTCAUSEHARMFULINTERFERENCE,AND(2)THIS DEVICEMUSTACCEPTANYINTERFERENCERECEIVED,INCLUDINGINTERFERENCETHAT MAYCAUSEUNDESIREDOPERATION. ThisdevicecomplieswithIndustryCanadalicenseexemptRSSstandard(s).Operationis subjecttothefollowingtwoconditions:(1)thisdevicemaynotcauseinterference,and(2) thisdevicemustacceptanyinterference,includinginterferencethatmaycauseundesired operationofthedevice. LeprsentappareilestconformeauxCNRd'IndustrieCanadaapplicableauxappareilsradio exemptsdelicence.L'exploitationestautoriseauxdeuxconditionssuivantes:(1) l'appareilnedoitpasproduiredebrouillage,et(2)l'utilisateurdel'appareildoitaccepter 14 WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 Industry Canada (IC) Warning:
French equivalent:
FCC Warning:
Modular Approval Approbation modulaire REMARQUE IMPORTANTE IC Radiation Exposure Statement GEM2ModuleHardwareIntegrationGuide Version0.1 toutbrouillageradiolectriquesubi,mmesilebrouillageestsusceptibled'en compromettrelefonctionnement. ThisdeviceisincompliancewithSARforgeneralpopulation/uncontrolledexposurelimits inICRSS102andhadbeentestedinaccordancewiththemeasurementmethodsand proceduresspecifiedinIEEE1528. DclarationICd'expositionauxradiationsCeEUTestconformeavecSARpourla populationgnrale/limitesd'expositionnoncontrleICRSS102etattesten conformitaveclesmthodesdemesureetprocduresspcifiesdanslanormeIEEE1528. OEMisstillresponsiblefortestingtheirproductforanyadditionalcompliance requirementsrequiredwiththismoduleinstalled(forexample,digitaldeviceemissions,PC peripheralrequirements,etc.). OEMintgrateuresttoujoursresponsabledetesterleurproduitfinalpourlesexigencesde conformitsupplmentairesncessairescemoduleinstall(parexemple,lesmissionsde priphriquesnumriques,lesexigencesdepriphriquesPC,etc.) Intheeventthattheseconditionscannotbemet(forexamplecertainlaptopconfigurations orcolocationwithanothertransmitter),thentheCanadaauthorizationisnolonger consideredvalidandtheICIDcannotbeusedonthefinalproduct.Inthesecircumstances, theOEMintegratorwillberesponsibleforreevaluatingtheendproduct(includingthe transmitter)andobtainingaseparateCanadianauthorization. Danslecasocesconditionsnepeuventtresatisfaites(parexemplepourcertaines configurationsd'ordinateurportableoudecertainescolocalisationavecunautre metteur),l'autorisationduCanadan'estplusconsidrcommevalideetl'IDICnepeutpas treutilissurleproduitfinal.Danscescirconstances,l'intgrateurOEMserachargde rvaluerleproduitfinal(ycomprisl'metteur)etl'obtentiond'uneautorisationdistincte auCanada. Leproduitfinaldoittretiquetdansunendroitvisibleavecl'inscriptionsuivante:"GEM 2ModuleContientdesIC:TBD"
15 WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 NOTE IMPORTANTE:
IMPORTANT NOTE:
GEM2ModuleHardwareIntegrationGuide Version0.1 CETheGEM2Modulehasbeentestedagainsttheappropriateregulatorystandardsfor Europeanmarket.OEMsshouldconsultaqualifiedtesthousetoensuretheirproductmeets allregulatoryrequirements. TheGEMModuleDeclarationofConformitiesisbelow.Testreportsareavailableupon request. HealthandSafetyEN609501:2006+A11:2009+A1:2010+A12:2011 ElectromagneticcompatibilityEN30148917Vx.x.xinaccordancewithEN3014891 V1.8.1 RadioFrequencyRadiatedEmissions:EN300328V1.8.1 WahooFitnessdeclaresunderoursoleresponsibilitythattheessentialradiotestshave beencarriedoutandthattheGEMModuletowhichthisdeclarationrelatesisinconformity withallapplicableessentialrequirementsofArticle3oftheEUDirective1999/5/ECwhen usedforitsintendedpurpose. PlaceofIssue:
WahooFitnessLLC 90W.WieucaRoadSuite110 Atlanta,GA30342
+1(877)9781112 Date:
April,2016 AuthorizedPerson:
JamesHalter Signature:
WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 16 Bluetooth Qualification GEM2ModuleHardwareIntegrationGuide Version0.1 TheGEM2modulehasbeenlistedwiththeBluetoothSpecialInterestGroup(SIG)asa qualifiedanEndProduct.TheWahooFitnessDeclarationIDis:TBD TheBluetoothSIGrequireseveryproductimplementingBluetoothtechnologytohavea DeclarationIDeventhoughtheendproductreferencesaBluetoothdesignwithitsown DeclarationID. AnoveroftheBluetoothSIGQualificationProcessisasfollows:
1. RegisterasamemberoftheBluetoothSIGwww.bluetooth.org 2. Gotoproductlistingpagehttps://www.bluetooth.org/enus/test qualification/qualificationoverview 3. GotoCreateaListing:https://www.bluetooth.org/tpg/QLI_SDoc.cfm IntheareaReferenceaQualifiedDesign,EnterEndProductID:xxxxxxxx 4. 5. SelectyourDeclarationIDorPurchaseaDeclarationID.FeesforDeclarationIDs varybasedonBluetoothSIGmembershiplevel. 6. Onceyouhavecompletedyourlistingandpaidyourdeclarationfee,yourdesignwill belistedontheBlueoothSIGwebsite. YoucanfindmoredetailsontheBluetoothSIGlistingprocessatthefollowingwebpage:
https://www.bluetooth.org/enus/testqualification/qualificationoverview Multiple ReelSize PartNumber 500pieces GEMSRB02 500 PleasecontactWahooFitnessat18779781112orviaemailatinfo@wahoofitness.comif additionalhelpisneeded. ShippingWeight MOQ TBD 500 Further Assistance Ordering Details WahooFitness 90WestWieucaRoad,Suite110 Atlanta,GA30342 www.wahoofitness.com 18779781112 17