Specification树莓派

树莓派  时间:2021-04-04  阅读:()
PublishedinJune2019byRaspberryPiTradingLtd.
RaspberryPi4ComputerModelBwww.
raspberrypi.
orgOverviewRaspberryPi4ModelBisthelatestproductinthepopularRaspberryPirangeofcomputers.
Itoffersground-breakingincreasesinprocessorspeed,multimediaperformance,memory,andconnectivitycomparedtotheprior-generationRaspberryPi3ModelB+,whileretainingbackwardscompatibilityandsimilarpowerconsumption.
Fortheenduser,RaspberryPi4ModelBprovidesdesktopperformancecomparabletoentry-levelx86PCsystems.
Thisproduct'skeyfeaturesincludeahigh-performance64-bitquad-coreprocessor,dual-displaysupportatresolutionsupto4Kviaapairofmicro-HDMIports,hardwarevideodecodeatupto4Kp60,upto4GBofRAM,dual-band2.
4/5.
0GHzwirelessLAN,Bluetooth5.
0,GigabitEthernet,USB3.
0,andPoEcapability(viaaseparatePoEHATadd-on).
Thedual-bandwirelessLANandBluetoothhavemodularcompliancecertification,allowingtheboardtobedesignedintoendproductswithsignificantlyreducedcompliancetesting,improvingbothcostandtimetomarket.
2RaspberryPi4ModelBProductBriefSpecificationProcessor:BroadcomBCM2711,quad-coreCortex-A72(ARMv8)64-bitSoC@1.
5GHzMemory:1GB,2GBor4GBLPDDR4(dependingonmodel)Connectivity:2.
4GHzand5.
0GHzIEEE802.
11b/g/n/acwirelessLAN,Bluetooth5.
0,BLEGigabitEthernet2*USB3.
0ports2*USB2.
0ports.
GPIO:Standard40-pinGPIOheader(fullybackwards-compatiblewithpreviousboards)Video&sound:2*microHDMIports(upto4Kp60supported)2-laneMIPIDSIdisplayport2-laneMIPICSIcameraport4-polestereoaudioandcompositevideoportMultimedia:H.
265(4Kp60decode);H.
264(1080p60decode,1080p30encode);OpenGLES,3.
0graphicsSDcardsupport:MicroSDcardslotforloadingoperatingsystemanddatastorageInputpower:5VDCviaUSB-Cconnector(minimum3A1)5VDCviaGPIOheader(minimum3A1)PoweroverEthernet(PoE)–enabled(requiresseparatePoEHAT)Environment:Operatingtemperature0–50CCompliance:Forafulllistoflocalandregionalproductapprovals,pleasevisithttps://www.
raspberrypi.
org/documentation/hardware/raspberrypi/conformity.
mdProductionlifetime:TheRaspberryPi4ModelBwillremaininproductionuntilatleastJanuary2026.
3RaspberryPi4ModelBProductBriefPhysicalSpecificationsNote:alldimensionsinmmWARNINGSThisproductshouldonlybeconnectedtoanexternalpowersupplyratedat5V/3ADCor5.
1V/3ADCminimum1.
AnyexternalpowersupplyusedwiththeRaspberryPi4ModelBshallcomplywithrelevantregulationsandstandardsapplicableinthecountryofintendeduse.
Thisproductshouldbeoperatedinawell-ventilatedenvironmentand,ifusedinsideacase,thecaseshouldnotbecovered.
Thisproductshouldbeplacedonastable,flat,non-conductivesurfaceinuseandshouldnotbecontactedbyconductiveitems.
TheconnectionofincompatibledevicestotheGPIOconnectionmayaffectcomplianceandresultindamagetotheunitandinvalidatethewarranty.
Allperipheralsusedwiththisproductshouldcomplywithrelevantstandardsforthecountryofuseandbemarkedaccordinglytoensurethatsafetyandperformancerequirementsaremet.
Thesearticlesincludebutarenotlimitedtokeyboards,monitorsandmicewhenusedinconjunctionwiththeRaspberryPi.
Whereperipheralsareconnectedthatdonotincludethecableorconnector,thecableorconnectormustofferadequateinsulationandoperationinorderthattherelevantperformanceandsafetyrequirementsaremet.
SAFETYINSTRUCTIONSToavoidmalfunctionordamagetothisproductpleaseobservethefollowing:Donotexposetowater,moistureorplaceonaconductivesurfacewhilstinoperation.
Donotexposeittoheatfromanysource;RaspberryPi4ModelBisdesignedforreliableoperationatnormalambientroomtemperatures.
Takecarewhilsthandlingtoavoidmechanicalorelectricaldamagetotheprintedcircuitboardandconnectors.
Avoidhandlingtheprintedcircuitboardwhilstitispoweredandonlyhandlebytheedgestominimisetheriskofelectrostaticdischargedamage.
1Agoodquality2.
5ApowersupplycanbeusedifdownstreamUSBperipheralsconsumelessthan500mAintotal.
4RaspberryPi4ModelBProductBrief5RaspberryPi4ModelBProductBriefHDMIisatrademarkofHDMILicensing,LLCMIPIDSIandMIPICSIareservicemarksofMIPIAlliance,IncRaspberryPiandtheRaspberryPilogoaretrademarksoftheRaspberryPiFoundationwww.
raspberrypi.
org

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