使用PIC16C774 Ratiometric Sensing

ThisapplicationnoteshowshowtousethePIC16C774

microcontroller(MCU)inaratiometricsensingapplica-

tion.Ablockdiagramoftheapplicationisshownin

Figure1.Thedesigntakesadvantageoftheadvanced

analogperipheralsofthePIC16C774,includinga

12-bitA/Dconverterandtwoon-chipvoltagerefer-

ences.AN694RatiometricSensingUsingthePIC16C774OtherusefulfeaturesofthemicrocontrollerincludeaAuthors:SteveBowling9-bitaddressableUSARTforserialcommunicationsMicrochipTechnologyInc.andMasterSynchronousSerialPort(MSSP)thatsup-portstheI2CandSPIprotocols.INTRODUCTIONThisapplicationnoteshowshowtousethePIC16C774microcontroller(MCU)inaratiometricsensingapplica-tion.AblockdiagramoftheapplicationisshowninFi