HT46RU66/HT46CU66--A/DType8-BitMCUwithLCDGeneralDescriptionTheHT46RU66/HT46CU66are8-bit,highperformance,RISCarchitecturemicrocontrollerdevicesspecificallydesignedforA/Dproductapplicati***thatinterfacedirectlytoanalogsignalsandwhichrequireanLCDInterface.TheHT46CU66maskversiondevice,isfullypinandfunctionallycompatiblewithitssisterHT46RU66OTPdevice.Theadvantagesoflowpowerc***umption,I/Oflexibility,timerfuncti***,oscillatoropti***,multi-channelA/DConverter,PulseWidthModulationfunction,PowerDownandWake-upfuncti***,inadditiontoaflexibleandconfigurableLCDinterfaceenhancetheversatilityofthesedevicestocontrolawiderangeofapplicati***requiringanalogsignalprocessingandLCDinterfacing,suchaselectronicmetering,environmentalmonitoring,handheldmeasurementtools,motordriving,etc.forboththeindustrialandhomeapplianceapplicationareas.FeaturesOperatingvoltage:fSYS=4MHz:2.2V~5.5VfSYS=8MHz:3.3V~5.5V32bidirectionalI/OlinesTwoexternalinterruptinputsTwo16-bitprogrammabletimer/eventcounterswithProgrammableFrequencyDivider,PFD,functionOne8-bitprogrammabletimer/eventcounterwithsourceclockprescaler47x3or46x4segmentLCDdriverwithlogicoutputoptionforSEG0~SEG23)16Kx16programmemory576x8datamemoryRAMUniversalAsynchronousReceiverTran***itter(UART)PFDfunctionforsoundgenerationRealTimeClock-RTC8-bitRTCprescalerWatchdogTimerBuzzeroutputfunctionCrystal,RCand32768HzcrystalsystemoscillatoroptionPowerdownandwake-upfuncti***reducepowerc***umption16-levelsubroutinenesting8-channel12-bitresolutionA/Dconverter4-channelPWMoutputsharedwith4I/OlinesBitmanipulationinstruction16-bittablereadinstructionUpto0.5msinstructioncyclewith8MHzsystemclock63powerfulinstructi***Instructionexecutionwithin1or2machinecyclesLowvoltagereset/detectorfunction52-pinQFP,56-pinSSOP,100-pinQFPpackages)