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使用I2C总线缓冲器可以减少大型总系统中的噪声水平AN11084VerylargeI2C-bussystemsandlongbusesRev.1―14October2011ApplicationnoteDocumentinformationInfoContentKeywordsI2C-bus,twistedpaircables,verylongbuses,communicationcables,Cat5e,Cat6,Fast-mode,Fast-modePlus,Fm+,inter-IC,SDA,SCL,P82B96,PCA9600,PCA9605,RS-485,CANbusAbstractTheavailabilityofpowerfulI2C-busbuffersthatdrivetheirI/Osonbothsidestoanominalgroundor‘zerooffset’logiclevelallowstheremovalofnoiseintroducedintoonesectionofaverylargebussystem.That‘regeneration’ofcleanI2CsignalsenablesbuildingverylongI2Cbusesbycombiningtogether……