Data Sheet OXU121HP USB On-The-Go Full-Speed Host and High-Speed Peripheral Controller Features SinglechipUSBOTGfullspeedhostandhighspeedperipheral controller Replacestwochipsystem Reducessystemcostandboardspace Minimizessystemdesigncomplexityandpower consumption Simultaneoushostandperipheraloperation CompatiblewiththeUniversalSerialBusSpecification,Revision2.0 andtheOnTheGoSupplementtotheUSBSpecification2.0,Revision 1.0 Single3.3Vpowersupply,flexibleI/Ovoltageof1.65Vto3.6V (LVCMOS/TTL)tointerfacetoawiderangeofMCUs Lowpoweroperation,suitableformobileapplications 30mA(max)forhostoperation 75mA(max)forperipheraloperation Powersavingmodeforthehostcontrollerandsuspendmodefor peripheralcontroller Integratedonchipchargepump,supportsupto100mAof current,enablessupportforbroadrangeofUSBdevices Smallpackageandfootprintsavesboardspace 77mmBGA,84ball,RoHScompliant 1212mmLQFP,100pin,RoHScompliant 16bitmemorymappedinterfacecangluelesslyinterfacetomost popularmicroprocessorsandDSPs Fastmicroprocessoraccesscycleanddouble/multibuffering supportforallfourtypesofUSBtransfers TwoDMA(slave)channelsforthehighspeedperipheral controller,loweringCPUutilization IntegratedPLLsupports12MHzor30MHzexternalcrystalor crystaloscillatorsforsystemflexibility 16KbytesofonchipSRAMenablesoptimalsystemthroughput DS-0040 Mar 07 ExternalFree Release 1OXU121HP Data Sheet Oxford Semiconductor, Inc. USBperipheralallowsupto8bidirectionalendpointsfor supportofmultifunctionsystems ConfigurablehardwareHostNegotiationProtocol(HNP)and SessionRequestProtocol(SRP) Transactionschedulingandtransferlevelprotocolimplemented inhardware(includingdatatoggle,retryandbandwidth management)forhighperformance Operatingtemperaturerange:40to85C Device TheOxfordSemiconductorOXU121HP(anupdateoftheTD1120)isa singlechipUSBOnTheGo(OTG)controllerthatincorporatesafull Overview speedhostandahighspeedperipheralcontroller.Itenablesan embeddedsystemtooperateasaUSBhostandaperipheral simultaneously,therebydramaticallyexpandingthedegreeof interconnectivityandextendingtheapplicabilityofUSBintomanynew areas,especiallyinmobilecommunication,consumerelectronics,and printerapplications.ThecombinationoftheOXU121HPhighspeed peripheralandfullspeedhostcontrollerenablesuserstoperformhigh speedUSBdatatransferforperipheralconnectivitywhenconnectedtoa hostdevice,andoperateatfullspeedinhostmodetomaximizesystem batterylifeinamobileenvironment. TheOXU121HPisidealformobileapplications.Itenableshighspeed PCsynchronizationtoreducedatafiletransfertimewhenoperatingin USBperipheralmode.Inhostmode,itenablesthesystemtoconnecttoa widerangeofUSBdevicessuchasflashdrives,keyboards,mice,and digitalstillcameras(DSC).Thesemobileapplicationsincludesmart phones,PDAs,MP3players,portablemediaplayers,digitalphoto albums,andGPSdevices. TheOXU121HPiswellsuitedforPictBridgeprinters.Itenableshigh speeddatatransferbetweenPCandprinter.Whileutilizingthehost port,itaddsPictBridgeprintingcapabilitytotheprintertosupport directphotoprintingfromaDSC.TheOXU121HPreplacesexistingtwo chipsolutionsbycombiningdiscretehostandperipheralcontrollersinto asinglechip,thusminimizingsystemcost,boardspace,design complexity,andpowerconsumption. TheOXU121HPallowsforsimultaneoushostandperipheraloperation. Theportscanbeconfiguredinoneoftwomodes: 1OTG+1Host:oneOTGportandonefullspeedhostport 1Peripheral+2Host:onehighspeedperipheralportandtwo fullspeedhostports TheOXU140CMissupportedwithUSBdevicedriversandtheOxford TM SemiconductorUSBLink productsuite.TheUSBLinkhost,peripheral, andOTGstackshavebeenportedtoawidevarietyofrealtimeoperating systemincludingVxWorks ,ThreadX ,andNucleus . 2 ExternalFree Release DS-0040 Mar 07