Data Sheet OXU140CM USB On-The-Go Full Speed Host, High Speed Peripheral with Multi-Storage Interface Features SinglechipUSBOTGfullspeedhostandhighspeedperipheral controller Replacestwochipsystem Reducessystemcostandboardspace Minimizessystemdesigncomplexityandpower SimultaneousUSBhost,peripheral,and CEATA/MMC/SDinterfaceoperation USBperipheraltoCEATA/MMC/SDbridging CompatiblewiththeUniversalSerialBusSpecification,Revision2.0 andtheOnTheGoSupplementtotheUSBSpecification2.0,Revision 1.0 CEATA1.1commandsupportwithbuiltinflowcontrol MMC4.1compatible Configurable1/4/8bitdatabusatupto48MHzclock frequency Dualvoltage(3.3Vand1.8V)I/Osupport Integratedsmartclockcontrolforreducedpower consumption 3.3Vpowersupply,flexibleI/Ovoltageof1.65Vto3.6V (LVCMOS/TTL)tointerfacetoawiderangeofCPUs Lowpowersleepmodetominimizepowerconsumptionwhen notinuse Integratedonchipchargepump,supportsupto100mAof current,enablessupportforbroadrangeofUSBdevices Packaging 88mmBGA,100ball,RoHScompliant 1414mmLQFP,128pin,RoHScompliant 16bitmemorymappedinterfacecangluelesslyinterfacetomost popularmicroprocessorsandDSPs Fastmicroprocessoraccesscycleanddouble/multibuffering supportforallfourtypesofUSBtransfers DS-0038 Mar 07 ExternalFree Release 1OXU140CM Data Sheet Oxford Semiconductor, Inc. TwoDMA(slave)channelsupportforperipheralcontrollerand multistorageinterfacecontrollerlowersCPUutilization IntegratedPLLsupports12MHzor30MHzexternalcrystalor crystaloscillatorsforsystemflexibility 16KbytesofonchipSRAMenablesoptimalsystemthroughput USBperipheralallowsupto8bidirectionalendpointsfor supportofmultifunctionsystems HostNegotiationProtocolandSessionRequestProtocol implementedinhardware Transactionschedulingandtransferlevelprotocolimplemented inhardware(includingdatatoggle,retry,andbandwidth management)forhighperformance Device TheOxfordSemiconductorOXU140CMisasinglechipUSBOnTheGo (OTG)controllerthatincorporatesafullspeedhost,ahighspeed Overview peripheralcontroller,andamultistorageinterfacethatsupportsthe followingtechnologies: Consumerelectronicsadvancedtechnologyattachment (CEATA)HDDs MultiMediaCard(MMC) SecureDigital(SD) Thehighspeedperipheralportoffershighdataratetransferstoand fromhostPCs.Thisisessentialfordevicessuchassmartphones, portablemediaplayers,caraudio/navigationunits,andpersonalstorage devices,wheremediatransfertimesgreatlyimpacttheuserexperience. Thefullspeedhostportenablestheconnectionofawiderangeof devices,suchasflashdrives,keyboards,mice,anddigitalstillcameras. TheOXU140CMlowpowerdesignisidealforextendingthebatterylife inmobileapplications. ThemultistorageinterfaceprovidesgluelesssupportforCEATAhard drives.Thisnewclassofdrivesisdesignedforlowerpincount,better powerutilization,andamoreefficientcommandprotocolthanexisting harddrives,makingitidealforportableapplications.Theinterfacealso supportsMMCandSDflashmemorydevices,providingadditional productflexibilityinmemorycapacityexpansion.(MultibitSDIOand encryptionarenotsupported.)TheOXU140CMimplementsfast protocolawarebridgingbetweentheUSBperipheralportandthe multistorageinterface,improvingdatatransferratesandminimizing CPUutilization. 2 ExternalFree Release DS-0038 Mar 07