HT46R62/HT46C62--A/DwithLCDType8-BitMCUGeneralDescriptionTheHT46R62/HT46C62are8-bit,highperformance,RISCarchitecturemicrocontrollerdevicesspecificallydesignedforA/Dproductapplicati***thatinterfacedirectlytoanalogsignalsandwhichrequireLCDInterface.ThemaskversionHT46C62isfullypinandfunctionallycompatiblewiththeOTPversionHT46R62device.Theadvantagesoflowpowerc***umption,I/Oflexibility,timerfuncti***,oscillatoropti***,multi-channelA/DConverter,PulseWidthModulationfunction,HALTandwake-upfuncti***,inadditiontoaflexibleandconfigurableLCDinterfaceenhancetheversatilityofthesedevicestocontrolawiderangeofapplicati***requiringanalogsignalprocessingandLCDinterfacing,suchaselectronicmetering,environmentalmonitoring,handheldmeasurementtools,motordriving,etc.,forbothindustrialandhomeapplianceapplicationareas.FeaturesOperatingvoltage:fSYS=4MHz:2.2V~5.5VfSYS=8MHz:3.3V~5.5V20bidirectionalI/Olines(PA,PB0~PB5,PD0~PD2,PD4~PD6)TwoexternalinterruptinputOne8-bitprogrammabletimer/eventcounterwithPFD(programmablefrequencydivider)functionLCDdriverwith20×3or19×4segments(logicaloutputoptionforSEG0~SEG15)2K×14programmemory88×8datamemoryRAMSupportsPFDforsoundgenerationRealTimeClock(RTC)8-bitprescalerforRTCWatchdogTimerBuzzeroutputOn-chipcrystal,RCand32768Hzcrystaloscillator6-levelsubroutinenesting6channels9-bitresolutionA/Dconverter3-channel8-bitPWMoutputsharedwith3I/Olines2×7-bitmemorypoint(MP0andMP1)ExternallyconnectedLCDpadprotectdiode52-pinQFP,56-pinSSOPpackages)