HT46R51A/HT46R52A--A/DType8-BitOTPMCUGeneralDescriptionTheHT46R51A/HT46R52Aare8-bithighperformance,RISCarchitecturemicrocontrollerdevicesspecificallydesignedforA/Dapplicati***thatinterfacedirectlytoanalogsignals,suchasthosefromsensors.Theadvantagesoflowpowerc***umption,I/Oflexibility,timerfuncti***,oscillatoropti***,multi-channelA/Dconverter,PulseWidthModulationfunction,HALTandwake-upfuncti***,watchdogtimer,aswellaslowcost,enhancetheversatilityofthesedevicestosuitawiderangeofA/Dapplicationpossibilitiessuchassensorsignalprocessing,chargers,motordriving,industrialcontrol,c***umerproducts,subsystemcontrollers,etc.FeaturesLow-powerfullystaticCMOSdesignOperatingvoltage:fSYS=4MHz:2.2V~5.5VfSYS=8MHz:3.3V~5.5VProgramMemory:1Kx15OTP(HT46R51A)2Kx15OTP(HT46R52A)Datamemory:96x8RAM(HT46R51A)128x8RAM(HT46R52A)A/Dconverter:12bitsx5ChExternalA/Dconverterreferencevoltageinputpin14bidirectionalI/Olines1interruptinputsharedwithanI/Oline8-bitprogrammabletimer/eventcounterwithoverflowinterruptand7-stageprescalerOn-chipcrystalandRCoscillator6-levelsubroutinenestingWatchdogTimerLowvoltageresetfunctionHALTfunctionUpto0.5µsinstructioncyclewith8MHzsystemclockatVDD=5V1-channel8-bitPWMoutputsharedwithanI/OlinePFDfunctionBitmanipulationinstructionTablereadinstruction63powerfulinstructi***Allinstructi***inoneortwomachinecycles16-pinNSOP,18-pinDIP,20-pinSOP/SSOPpackage)