标签: expansion

   IntheExcalibur?familyofdevices,anARM922T?processor,memoryandperipheralsareembeddedonanFPGA.Fordesigners,thiscombinationofelementsprovidesaneasyandflexiblewayofintegratinghighly-complexembeddedmicroprocessordesignsintoacost-effectiveandfastertime-to-marketsystem-on-a-programmable-chip(SOPC)solution.……

摘要：设计理念，概述了如何使用的I²C控制的模拟开关连接到一个I²C总线上的设备数量增加两倍。Maxim>AppNotes>AnalogSwitchesandMultiplexersInterfaceCircuitsKeywords:I2C,analogswitch,clockdataSDASCLportexpansion,analogueswitchApr12,2002APPLICATIONNOTE955AnalogSwitchExpandsICInterfaceAbstract:DesignideaoutlininghowtouseanIC-controlledanalogswitchtotriplethenumberofdevicesconnectedtoanICbus.Perhapsthemosteffectivewaytogainboardspaceandincreasecomponentdensityistominimizewiringontheboard.AwidelyusedarchitecturethatallowssuchminiaturizationistheICbus.Comprisingonlyabidirectionaldataline,SDA,andaclockline,SCL,thisbusrequiresnochipselectsorotheradditionalconnections.MicrocontrollersfromPhilips,Microchip,a……

【应用笔记】使用FPGA为TITMS320C6000做外设扩展与协处理器(FPGAPeripheralExpansion&FPGACo-ProcessingwithaTITMS320C6000)本应用笔记描述了外设和协处理器如何添加到德州仪器(TexasInstrument,TI)的TMS320C6000系列数字信号处理器件中去。Thisapplicationnotedescribeshowperipheralsandco-processorscanbeaddedtoTexasInstrument’s(TI’s)TMS320C6000familyofdigitalsignalprocessing(DSP)devices.ThehardwareinterfaceisaconnectionbetweenTI'sexternalmemoryinterface(EMIF)andafirst-infirst-out(FIFO)buffer.IntheAltera?AtemeEMIFreferencedesign,afastFouriertransform(FFT)co-processorandanLEDperipheralprovideexamplesofhowasystemcanbedevelopedusingAlteradevelopmenttoolsandarchitectureelements.Thearchitectureprovidesflexibilitytoallowmanytypesofperipheralsandco-processors.TheconceptisdemonstratedonAteme'sDMDK642developmentboard,whichfeaturesaTIDM642digitalmediaprocessorandanAlteraEP1C20Cyclone?FPGA.FPGAPeripheralExpansion&FPGACo-ProcessingwithaTITMS320C6000July2004,ver1.0ApplicationNote352IntroductionThisapplicationnotedescribeshowperipheralsandco-processorscanbeaddedtoTexasInstrument’s(TI’s)TMS320C6000familyofdigitalsignalprocessing(DSP)devices.ThehardwareinterfaceisaconnectionbetweenTI'sexternalmemoryinterface(EMIF)andafirst-infirst-out(FIFO)buffer.IntheAlteraAtemeEMIFreferencedesign,afas……

Thischaptercontainsgeneralinformationthatwillbeusefultoknowbeforeusingthestarterkit.Itemsdiscussedinthischapterinclude:•DocumentLayout•ConventionsUsedinthisGuide•RecommendedReading•TheMicrochipWebSite•DevelopmentSystemsCustomerChangeNotificationService•CustomerSupport•DocumentRevisionHistoryMultimediaExpansionBoardUser’sGuide2010MicrochipTechnologyInc.DS61160ANotethefollowingdetailsofthecodeprotectionfeatureonMicrochipdevices:MicrochipproductsmeetthespecificationcontainedintheirparticularMicrochipDataSheet.Microchipbelievesthatitsfamilyofproductsisoneofthemostsecurefamiliesofitskindonthemarkettoday,whenusedintheintendedmannerandundernormalconditions.Therearedishonestandpossiblyillegalmethodsusedtobreachthecodeprotectionfeature.Allofthesemethods,toourknowledge,requireusingtheMicrochipproductsinamanneroutsidetheoperatingspecificationscontainedinMicrochip’sDataSheets.Mo……