标签: i2cbus

I2CBUS中文版广州周立功单片机发展有限公司Tel:(020)3873097638730977Fax:38730925http://www.zlgmcu.comI2C总线规范目录1序言........................................................................................................................31.11.21.31.4版本1.0-1992....................................................................................................................3版本2.0-1998....................................................................................................................3版本2.1-2000....................................................................................................................3购买Philips的IC总线元件..............................................................................................3设计人员的得益............................................……

多通道I2C/SMBus的复用器和开关增加设计的灵活性NXP2-,4-,and8-channelI2C/SMBusmuxesandswitchesPCA954xAdddesignexibilitywithmulti-channelI2C/SMBusmuxesandswitchesDesignedforsystemsthatusemultipleI2C/SMBusdeviceswithidenticaladdresses,thesemulti-channeldevicesenableI2Cmultiplexing,voltagelevelshifting,capacitiveloadsharing,andmore.KeyfeaturesApplicationsMulti-channelmultiplexersandswitchesforuseinI2Cmultiplexing:splitasingleI2CaddresswithoutconictsI2C/SMBussystemsV……

I2C总线的评估与综合工具包NXPI2C2002-1AevaluationboardkitsOM6285andOM6278EvaluatetheI2C-buswithacomprehensivekitThisfull-featuredyeteasy-to-useevaluationkitgivesyoueverythingyouneedtostartexperimentingwiththemanydesignoptionsofNXP’sgeneral-purposeI2C-busportfolio.OM6278/LowCostOM6285(*)kitfeaturesTheOM6278evaluationkitprovidesasimple,easy-to-useI2C2002-1Aevaluationboardwith11I2C-busslavedevices*introductiontotheNXPportfolioofgeneral-purposeI2CPORTv2adaptercardwith4-wireconnectioncableI2C-busdevices.Itincludes……

多样的易于使用的GPIO扩展器NXP4/8/16-bitI2C/SMBusGPIOexpandersPCA9536/54/54A/55Versatile,easy-to-useGPIOexpandersTheseI2C/SMBus-compatibledevicesmakeiteasytoaddprogrammableI/Oportstoawiderangeofapplications.KeyfeaturesTheseexpandersprovideasimplewaytoaddI/OforACPICompatiblewithI2C-busandSMBuspowerswitches,sensors,pushbuttons,LEDs,fans,and4,8or16programmableGPIOcompatiblewithmostfunctions,inawidevarietyofI2C-busandSMBusapplications.processors……

很容易实现双主I2C总线应用上的隔离NXP2-to-1I2C-busmasterselectorPCA9541withinterruptlogicandresetEasilyisolateeachmasterindual-masterI2C-busapplicationsThisversatilebusselectorensurescontinuousoperationindual-masterconfigurations.Whenamasterfailsoracontrollercardisremovedformaintenance,thisdevicemakesiteasytoswitchfromtheprimarytotheback-upmaster.KeyfeaturesTheNXPPCA9541isusedtoselectabusmasterinI2C-bus4I2C-businterfacelogicsystemsthatusetwomasters.Inatypicalco……

I2C总线的EEPROMDIP开关方便系统管理NXP5-bitmultiplexed/1-bitlatched6-bitI2C-busEEPROMPCA9559I2C-busEEPROMDIPswitchforeasysystemmanagementAsimplewaytoimplementopen-drainbuffer,jumperlessconfigurations.Thedeviceprovidesfoursetsofpotentialoutputs―logichigh,logiclows,outputsthatreflectthepart’sparallelinputs,oroutputsconfiguredbytheI2C-bus.KeyfeaturesTheNXPPCA9559isusedtomultiplexadefaultparallelinput4Supports5-bit,2-to-1multiplexingwithanalternativesetofinputsprovidedbytheI2C-busor4Onechannelw……