AR8035

COMPANYCONFIDENTIAL•1DataSheet©2011byAtherosCommunications,Inc.Allrightsreserved.Atheros®,AtherosDriven®,Align®,AtherosXR®,DrivingtheWirelessFuture®,Intellon®,NoNewWires®,Orion®,PLC4Trucks®,Powerpacket®,SpreadSpectrumCarrier®,SSC®,ROCm®,SuperA/G®,SuperG®,SuperN®,TheAirisCleanerat5-GHz®,Total802.11®,U-Nav®,WakeonWireless®,WirelessFuture.UnleashedNow.®,andXSPAN®,areregisteredbyAtherosCommunications,Inc.AtherosSST™,Signal-SustainTechnology™,Ethos™,InstallNGo™,IQUE™,ROCm™,amp™,Simpli-Fi™,ThereisHere™,U-Map™,U-Tag™,and5-UP™aretrademarksofAtherosCommunications,Inc.TheAtheroslogoisaregisteredtrademarkofAtherosCommunications,Inc.Allothertrademarksarethepropertyoftheirrespectiveholders.Subjecttochangewithoutnotice.March2011AR8035Integrated10/100/1000GigabitEthernetTransceiverGeneralDescriptionTheAR8035ispartoftheArcticfamilyofdevices-whichincludestheAR8031,AR8033,andtheAR8035.ItisAtheros’4thgeneration,singleport10/100/1000MbpsTri-speedEthernetPHY.ItsupportsRGMIIinterfacetotheMAC.™TheAR8035providesalowpower,lowBOM(BillofMaterials)costsolutionforcomprehensiveapplicationsincludingconsumer,enterprise,carrierandhomenetworkssuchasPC,HDTV,Gamingmachines,Blue-rayplayers,IPTVSTB,MdiaPlayers,IPCameras,NAS,Printers,DigitalPhotoFrames,MoCA/Homeplug(Powerline)/EoC/adaptersandHomeRouter&Gateways,etc.TheAR8035integratesAtheroslatestGreenEthos®powersavingtechnologiesandsignificantlysavespowernotonlyduringworktime,butalsoduringovertime.AtherosGreenEthos®powersavingsincludeultra-lowpowerincableunpluggedmodeorportpowerdownmode,andautomaticoptimizedpowersavingbasedoncablelength.Furthermore,theAR8035supportsWake-on-LAN(WoL)featuretobeabletohelpmanageandregulatetotalsystempowerrequirements.TheAR8035embedsCDT(CableDiagnosticsTest)technologyon-chipwhichallowscustomerstomeasurecablelength,detectthecablestatus,andidentifyremoteandlocalPHYmalfunctions,badormarginalpatchcordsegmentsorconnectors.Someofthepossibleproblemsthatcanbedetectedincludeopens,shorts,cableimpedancemismatch,badconnectors,terminationmismatch,andabadtransformer.TheAR8035alsointegratesavoltageregulatoronchip.ItreducestheterminationR/CcircuitryonboththeMACinterface(RGMII)andlineside.TheAR8035supportsIEEE802.3azEnergyEfficientEthernet(EEE)standardandAtherosproprietarySmartEEE,whichallowslegacyMAC/SoCdeviceswithout802.3azsupporttofunctionasthecomplete802.3azsystem.Thekeyfeaturessupportedbythedeviceare:n10BASE-TePHYsupportsreducedtransmitamplitude.n100BASE-Txand1000BASE-TuseLowPowerIdle(LPI)modetoturnoffunusedanaloganddigitalblockstosavepowerwhiledatatrafficisinidle.Featuresn10BASE-Te/100BASE-Tx/1000BASE-TIEEE802.3compliantnSupports1000BASE-TPCSandauto-negotiationwithnextpagesupportnSupportsRGMIIinterfacetoMACdeviceswithabroadI/Ovoltageleveloptionsincluding2.5V,1.8Vand1.5V,andiscompatiblewith3.3VI/OnRGMIItimingmodessupportinternaldelayandexternaldelayonRxpathnError-freeoperationupto140metersofCAT5cablenSupportsAtheroslatestGreenEthos®powersavingmodeswithinternalautomaticDSPpowersavingschemenSupports802.3az(EnergyEfficientEthernet)nFullyintegrateddigitaladaptiveequalizers,echocancellers,andnearendcrosstalk(NEXT)cancellersnSupportsWake-on-LAN(WoL)todetectmagicpacketandnotifythesleepingsystemtowakeupnArobustCableDischargeEvent(CDE)tolerenceof±6kVnArobustsurgeprotectionwith±750V/differentialmodeand±4KV/commonmodenJumboFramesupportupto10KB(fullduplex)nAlldigitalbaselinewandercorrectionnAutomaticchannelswap(ACS)nAutomaticMDI/MDIXcrossovernAutomaticpolaritycorrectionnIEEE802.3ucompliantAuto-NegotiationnSoftwareprogrammableLEDmodesnMultipleLoopbackmodesfordiagnostics2�AR8035Integrated10/100/1000MbpsEthernetTransceiverAtherosCommunications,Inc.2�March2011COMPANYCONFIDENTIALnCableDiagnosticTest(CDT)nSinglepowersupply:3.3Vn5mmx5mm.40-pinQFNpackageAR8035FunctionalBlockDiagramDACWaveshapeFilterEchoCancellerNextCancellerHybridCircutPGAFeedForwardEqualizerADCAGCTimingandPhaseRecoveryDeskewerDecisionFeedbackEqualizerSymbolEncoderSymbolDecoderAuto-NegotiationMIIManagementRegistersDLLTRD[0:3]RGMIIPMAPCSTrellisDecoderRGMIIAtherosCommunications,Inc.AR8035Integrated10/100/1000MbpsEthernetTransceiver�1COMPANYCONFIDENTIALMarch2011�1TableofContentsGeneralDescription........................................1Features............................................................1AR8035FunctionalBlockDiagram..............21PinDescriptions............................32FunctionalDescription.................92.1TransmitFunctions................................102.2ReceiveFunctions..................................102.2.1DecoderModes...........................102.2.2AnalogtoDigitalConverter......102.2.3EchoCanceller.............................102.2.4NEXTCanceller..........................102.2.5BaselineWanderCanceller.......102.2.6DigitalAdaptiveEqualizer.......102.2.7Auto-Negotiation........................112.2.8SmartspeedFunction.................112.2.9AutomaticMDI/MDIXCrossover112.2.10PolarityCorrection.....................112.3LoopbackModes....................................112.3.1DigitalLoopback.........