HT46R53A/HT46R54A--A/DType8-BitOTPMCUGeneralDescriptionTheHT46R53A/HT46R54Aare8-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:2Kx15OTP(HT46R53A)4Kx15OTP(HT46R54A)Datamemory:192x8RAM(HT46R53A)280x8RAM(HT46R54A)A/Dconverter:12bitsx8ChExternalA/Dconverterreferencevoltageinputpin22bidirectionalI/Olines1interruptinputsharedwithanI/Oline8-bitprogrammabletimer/eventcounterwithoverflowinterruptand7-stageprescalerOn-chipcrystalandRCoscillator6-levelsubroutinenestingWatchdogTimerLowvoltageresetfunctionHALTfunctionUpto0.5µsinstructioncyclewith8MHzsystemclockatVDD=5V1-channel8-bitPWMoutputsharedwithanI/OlinePFDfunctionBitmanipulationinstructionTablereadinstruction63powerfulinstructi***Allinstructi***inoneortwomachinecycles28-pinSKDIP/SOPpackage)