AVR 微控制器汽车应用解决方案

2AVRMicrocontrollersforAutomotiveScalableSolutionsforyourApplicationNeedsAVR®MicRocontRolleRSOLuTiONSBDTIC®devices,Atmel®bringsinnovativesolutions,whetherforsensororactuatorcontrolormore-sophisticatednetworkingapplications.Thesemicrocontrollersarefully-engineeredtofulfillOEMs’qualityrequirementstowardszerodefects.TypicalApplicationsSomeAVRmicrocontrollersarequalifiedforoperationupto+150°Cambienttemperature(AECQ100Grade0).Designerscandistributeintelligenceandcontrolfunctionsdirectlyintoorneargearboxes,transfercases,enginesensorsactuators,turbochargersandexhaustsystems.AutomotiveAVRavailableinGrade0areATtiny45,ATtiny87/167/327,ATtiny261/461/861,ATmega88/168,ATmega16M1,ATmega32M1,ATmega32C1,ATmega64M1,ATmega64C1.AtmelautomotiveAVRmicrocontrollersareavail-ableinfourdifferenttemperaturerangestoservevariousapplications:AECQ100Grade3T:-40°Cto+85°CAECQ100Grade2T1:-40°Cto+105°CAECQ100Grade1Z:-40°Cto+125°CAECQ100Grade0D,T2:-40°Cto+150°CAVRMicrocontrollersareQualifiedto+150°CPowertrain:Turbocharger,Fuelpump,Exhaustsystem,Fancontrol,BLDCmotorcontrol,Batterymonitoring,Torquesensor...Security:Remotekeylessentry,immobilizer…Body:Electronicmirror,Seatcontrol,Windowlock,Windowandsunroofcontrolwithanti-pinch,Capacitytouchsensingkeypads,CAN&LiNbusinterfaces…Chassis:Steeringcolumn,sensorforstabilitysystem,Gyroscope…Infotainment:Frontpanel,DVBtuner,Carradio…EverywhereYouAre®03AVRArchitectureBenefitsAVR8-bitRiSCCore:HighPerformance&LowPowerConsumptionHighestsystemintegrationwithalargenumberofanaloganddigitalperipheralsHighest8-bitCPuperformanceexecutingpowerfulinstructionsinasingleclockcycleHighestcodedensitywithhigh-levelC-languageoptimizationSelf-programmingmemoryProductcompatibilityforbothcodeandfeaturesCompleteandlow-costtoolsetincludingopen-sourceC-compilerBrown-outdetectionandFlashcorruptionsecurity.Programthroughanyinterface(e.g.SPi,TWi)Allows100%SecureEncryptedRemoteupdatesuSB,CAN,LiNprogrammingISPThenative3-wireinterfaceforquickupdateinthefieldEasy-to-useandefficientParallelOneofthefastestwaystodownloadCompatiblewithmajorprogrammersJTAGiEEEstd.1149.1-compliantinterface,canprogramNVMs,fusesandlockbitsAlsousedforon-chipdebuggingandtotestthePCB(boundary-scan)Theprogrammingchannelscanbedisabledtoavoidanyfurtherdownload.picoPowerFamilyalsoAutomotiveQualifiedTomeetthelowpowerrequirementsofmodernmicrocontrollers,AtmelhascombinedtenyearsofresearchanddevelopmentintothepicoPower™technologyforAVRmicrocontrollers.picoPowerenablesAVRmicrocontrollerstoachievetheindustry’slowestpowerconsumption(100nAinpower-downmode).ThepicoPowertechnologyincorporatesanumberoftechniquesforlowerpowerconsumptioninsleepandactivemodes.AutomotivepicoPowerAVRsareATmega328P,ATmega164P,ATmega324P,ATmega644PandATmega169P.EmbeddedFlashTechnology&FlexibleProgrammingCapabilitiesEmbeddedFlashandEEPROMmemoriesprogrammedandupdatedduringdesign,productionormaintenancephaseseliminatetheexpensiveandtime-consumingstepsinherenttomask-ROMandOTPmicrocontrollers.Atmelalsooffersfactory-programmedmicrocontrollers.TheAVR8-bitarchitecturehasreachedahighlevelofacceptanceinmanymarketsegmentsforits:04AVRMiCROCONTROLLERSFORAuTOMOTiVEAutomotive:ACompletelyDistributedArchitectureComfortandsafetyfeaturesarecontinuouslybe-ingaddedtomodernvehicles,requiringmoreem-beddedcomputingpower.Ascost-effectiveFlashmicrocontrollersbecomeavailable,carmakersnowhavetheabilitytodesigndistributedarchitec-tureswithscatteredandreprogrammablecom-putingintelligence.ThiscontributestoreducedElectronicControlunit(ECu)sizeandcost.8-bitAVRmicrocontrollersareperfectlysuitedforsuchdistributedarchitectures.Theyfeatureon-chipanaloginterfacesforsignalconditioningorprogrammablei/Osforactuatorsignaling.AdistributedarchitecturerequiresanetworktobroadcastsensitiveinformationbetweentheECus.ThemostcommonintelligentnetworksinavehicletodayaretheCANandLiNin-VehicleNetworks(iVN).TwofamiliesofautomotiveAVRmicrocon-trollersincludeaCANcontrollerperipheral:AT90CAN128/64/32seriesandATmega64M1/32M1/16M1,ATmega64C1/32C1series.Theyalsofeatureaselfprogrammingtechnologyandacomprehensivesetofanaloganddigitalperiph-erals.With16KbytesofFlashto128KbytesofFlashtheycoveralargerangeofapplications.TheembeddedCANcontrollerhandlesthema-jorityofthehardwareCANtransportlayertasks.CANsoftwaredriversareavailablefromVectorinformatik®forallAVRCANMicrocontrollers.CANMicrocontrollersEverywhereYouAre®AllautomotivemegaAVRsupportageneralpurposeuSARTtosupportLiNmasterandLiNslave.AstabilizedRCoscillatorsatisfiestheLiNslavesynchronizationrequirements.Anoscilla