tk3715 data sheet

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1、TK3715DataSheet–PreliminaryEPONSoCBridgeForChinaStandardONUFEATURES•2.5/1.25Gbpsdownstreamwithauto-•Line-ratelayer2/3/4packetclassificationdetection,1.25Gbpsupstreamandfilteringforupto256entries•IntegratedEPONSERDES(2.5/1.25Gbps)•Per-port802.3xflowcontrol•IEEE802.3ahEPONMAC•802.3ahFo

2、rwardErrorCorrection(FEC)•TripleChurningKeydecryption•UptoeightLogicalLinkIDs(LLID)•ChinaEPONstandardOAMcontrol•InternalManagementInformationBase•802.3ahOAMcontrol(MIB)countersfornetworkstatistics•Independent10/100and10/100/1000•RemoteMonitoring(RMON)statisticsSubscriberPorts•Embedde

3、d80C51processorwith•802.310/100MACand10/100/1000MACintegratedmemory•MACAddressLearningforupto64MAC•IEEE1149.1JTAGBoundaryScanAddressesperEthernetportfor802.1D•LowPower3.3VI/Oand1.2VCoresupplyBridging•128-pinLQFP,lead-freepackagewith•Highlyflexible802.1QVLANsupportexposedpad•802.1p/qs

4、upport•PincompatibilitywithTK3713,TK3714•40fully-configurablequeues(20upstream•Industrialtemperatureoperation,-40°Ctoand20downstream)+85°C•1.5MBofintegratedpacketbufferingDESCRIPTIONTheTK3715chipforOpticalNetworkUnits(ONU)isanIEEE802.3ah-compliantSystem-on-Chip(SoC)EthernetPassiveOpt

5、icalNetwork(EPON)Bridge.TheTK3715supportsallthefunctionsneededtocomplywiththeChinastandardforEPON.TheTK3715isa128-pin,Low-profileQuadFlatPackage(LQFP)chip.Itprovideshigh-speed,fiberopticbroadbandaccessforresidentialandbusinessCPE(CustomerPremisesEquipment)ONUs.Theauto-sensingTurboMod

6、eoperatesat1.25GHzdownstreamwithlegacysystemsand2.5GHzdownstreamwithTurboOLTs.TheTK3715iscompatiblewithallTeknovusOLTchipsets.TheTK3715iscost-optimizedformarketsusingtheChinastandardforEPON.ThehighlevelofintegrationintheTK3715greatlysimplifiestheONUdesign.TheTK3715containsan802.3ahEP

7、ONMAC,aSerDes,line-rateL2/L3/L4classificationandfiltering,ChinaEPONdecryption,ForwardErrorCorrection(FEC),integratedpacketbuffering,twoindependentsubscriberportsandanembeddedprocessor.TheprocessorsupportsasophisticatedONUmanagementsystem,includingalarms,provisioning,DHCPandIGMPfuncti

8、onsforastand