Rev. 2.50 8 June 22, 2017 Rev. 2.50 9 June 22, 2017
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
General Description
TheHT66FXXseriesofdevicesareFlashMemoryA/Dtype8-bithighperformanceRISC
architecturemicrocontrollers.OfferinguserstheconvenienceofFlashMemorymulti-programming
features,thesedevicesalsoincludeawiderangeoffunctionsandfeatures.Othermemoryincludes
anareaofRAMDataMemoryaswellasanareaoftrueEEPROMmemoryforstorageofnon-
volatiledatasuchasserialnumbers,calibrationdataetc.
Analogfeaturesincludeamulti-channel12-bitA/Dconverteranddualcomparatorfunctions.
MultipleandextremelyflexibleTimerModulesprovidetiming,pulsegenerationandPWM
generationfunctions.Communicationwiththeoutsideworldiscateredforbyincludingfully
integratedSPIorI
2
Cinterfacefunctions,twopopularinterfaceswhichprovidedesignerswitha
meansofeasycommunicationwithexternalperipheralhardware.Protectivefeaturessuchasan
internalWatchdogTimer,LowVoltageResetandLowVoltageDetectorcoupledwithexcellent
noiseimmunityandESDprotectionensurethatreliableoperationismaintainedinhostileelectrical
environments.
AfullchoiceofHXT,LXT,ERC,HIRCandLIRCoscillatorfunctionsareprovidedincludinga
fullyintegratedsystemoscillatorwhichrequiresnoexternalcomponentsforitsimplementation.
Theabilitytooperateandswitchdynamicallybetweenarangeofoperatingmodesusingdifferent
clocksourcesgivesuserstheabilitytooptimisemicrocontrolleroperationandminimisepower
consumption.
TheUARTmoduleiscontainedintheHT66FUx0seriesofdevices.Itcansupporttheapplications
suchasdatacommunicationnetworksbetweenmicrocontrollers,low-costdatalinksbetweenPCs
andperipheraldevices,portableandbatteryoperateddevicecommunication,etc.
TheinclusionofexibleI/Oprogrammingfeatures,Time-Basefunctionsalongwithmanyother
featuresensurethatthedeviceswillndexcellentuseinapplicationssuchaselectronicmetering,
environmentalmonitoring,handheldinstruments,householdappliances,electronicallycontrolled
tools,motordrivinginadditiontomanyothers.