Data Sheet OXU200 USB High-Speed Peripheral Controller Features HighspeedUSBperipheralcontroller CompatiblewiththeUniversalSerialBusSpecification,Revision2.0 Single3.3Vpowersupply,flexibleI/Ovoltageof1.65Vto3.6V (LVCMOS/TTL)tointerfacetoawiderangeofCPUsandDSPs 16bitmemorymappedinterfacecangluelesslyinterfacetomost popularmicroprocessorsandDSPs 8KbytesofonchipSRAMbuffer,optimizedforperformanceand cost DMAslavechannellowersCPUutilization Allowsupto8bidirectionalendpointsforsupportof multifunctionsystems TransferorientedcontrolmodelhandlesallUSBsignalingand packetization,minimizesCPUloading Lowpoweroperation,suitableformobileapplications Ultralowpowersleepmodeandpowersavingsuspendstate IntegratedPLLsupports12MHzexternalcrystalorcrystal oscillator Smallpackageandfootprintsavesboardspace 1212mmLQFP,100pin,RoHScompliant 66mmBGA,64ball,RoHScompliant Fastmicroprocessoraccesscycleandmultibufferingsupportfor allfourtypesofUSBtransfers Operatingtemperaturerange:40to85C DS-0051 Mar 07 ExternalFree Release 1OXU200 Data Sheet Oxford Semiconductor, Inc. Device TheOxfordSemiconductorOXU200isalowcost,singleportUSB highspeedperipheralcontroller.Itisdesignedforhighperformanceand Overview enablesembeddedsystemstoperformhighspeedUSBdatatransfersfor peripheralconnectivitywhenconnectedtoaUSBhost. Thelowpower,highperformancedesignandsmallpackagesizemake theOXU200idealforaddinghighspeedUSBintoabroadrangeof mobileconsumerelectronics,includingcellphones,portableGPS devices,andPDAs. TheOXU200hasa16bitSRAMlikememorymappedinterfaceand flexibleI/OvoltagethatcanconnectgluelesslytomostpopularCPUs andDSPs.The8KbytesofonchipSRAMbufferiscostandperformance optimizedtoreducesysteminterruptsandminimizeprocessor overhead. SoftwaresolutionsfortheOXU200includeUSBdevicedriversandthe TM OxfordSemiconductorUSBLink productsuite.USBLinkPeripheral hasbeenportedtoawidevarietyofrealtimeoperatingsystems includingVxWorks ,ThreadX ,andNucleus . Inaddition,OxfordSemiconductoralsomakesavailablelowlevel controllerdriversforothernativeUSBstackssuchasthoseincludedwith Windows CE5.0andLinux 2.6.x. Figure1showstheOXU200architecturaldiagram. Figure 1 OXU200 Architectural Diagram Clock/ OSC 1 Osc Pads and Clk OSC 2 Div System Configuration ACK & Control Registers DMA REQ Interface USB Peripheral D Controller Registers P /RESET USB D M HS USB Peripheral XCVR /CS Controller /WR V BUS /RD P Interface INT 8 Kbyte Memory A 10:1 D 15:0 2 ExternalFree Release DS-0051 Mar 07