HT45F4MA/HT45FH4MA/HT45FH4MA-1
Power Bank Flash MCU
Device
HT45FH4MA
HT45FH4MA-1
Features
AX/BX pin at Reset
AX/BX pin at Reset
CX/DX pin at Reset
—
Output high
Output low
Output low
Output low
—
PB5/OUTL → A, PB4/OUTH → C
PB5/OUTL → A, PB4/OUTH → C
PB3/TP1_0 → Floating
Inteꢂnally Conne�ted
Level Shift
PB3/TP1_0 → ENBF
AX/BX is inveꢂsion output of input A AX/BX is non-inveꢂsion output of input A.
CX/DX is inveꢂsion output of input C CX/DX is inveꢂsion output of input C.
Level Shift Enaꢁle Contꢂol – ENBF Contꢂolled ꢁy PB3/TP1_0
Always enaꢁled
Peripheral Features Comparison Table
General Description
TheꢀdeviceꢀisꢀaꢀFlashꢀMemoryꢀtypeꢀ8-bitꢀhighꢀperformanceꢀRISCꢀarchitectureꢀmicrocontroller.ꢀ
OfferingꢀusersꢀtheꢀconvenienceꢀofꢀFlashꢀMemoryꢀmulti-programmingꢀfeatures,ꢀthisꢀdeviceꢀalsoꢀ
includesꢀaꢀwideꢀrangeꢀofꢀfunctionsꢀandꢀfeatures.ꢀOtherꢀmemoryꢀincludesꢀanꢀareaꢀofꢀRAMꢀDataꢀ
MemoryꢀasꢀwellꢀasꢀanꢀareaꢀofꢀtrueꢀEEPROMꢀmemoryꢀforꢀstorageꢀofꢀnon-volatileꢀdataꢀsuchꢀasꢀserialꢀ
numbers,ꢀcalibrationꢀdataꢀetc.
Analogꢀfeaturesꢀincludeꢀaꢀmulti-channelꢀ12-bitꢀA/Dꢀconverter,ꢀanꢀoverꢀvoltageꢀprotectionꢀfunction,ꢀ
anꢀoverꢀcurrentꢀprotectionꢀfunctionꢀandꢀaꢀLDOꢀregulator.ꢀMultipleꢀandꢀextremelyꢀflexibleꢀTimerꢀ
Modulesꢀprovideꢀtiming,ꢀpulseꢀgenerationꢀandꢀPWMꢀgenerationꢀfunctions.ꢀProtectiveꢀfeaturesꢀsuchꢀ
asꢀanꢀinternalꢀWatchdogꢀTimer,ꢀLowꢀVoltageꢀResetꢀandꢀLowꢀVoltageꢀDetectorꢀcoupledꢀwithꢀexcellentꢀ
noiseꢀimmunityꢀandꢀESDꢀprotectionꢀensureꢀthatꢀreliableꢀoperationꢀisꢀmaintainedꢀinꢀhostileꢀelectricalꢀ
environments.
AꢀfullꢀchoiceꢀofꢀHIRCꢀandꢀLIRCꢀoscillatorꢀfunctionsꢀareꢀprovidedꢀincludingꢀaꢀfullyꢀintegratedꢀ
systemꢀoscillatorꢀwhichꢀrequiresꢀnoꢀexternalꢀcomponentsꢀforꢀitsꢀimplementation.ꢀTheꢀabilityꢀtoꢀ
operateꢀandꢀswitchꢀdynamicallyꢀbetweenꢀaꢀrangeꢀofꢀoperatingꢀmodesꢀusingꢀdifferentꢀclockꢀsourcesꢀ
givesꢀusersꢀtheꢀabilityꢀtoꢀoptimiseꢀmicrocontrollerꢀoperationꢀandꢀminimizeꢀpowerꢀconsumption.
TheꢀinclusionꢀofꢀflexibleꢀI/Oꢀprogrammingꢀfeatures,ꢀTime-Baseꢀfunctionsꢀalongꢀwithꢀmanyꢀotherꢀ
featuresꢀensureꢀthatꢀtheꢀdeviceꢀwillꢀfindꢀexcellentꢀuseꢀinꢀapplicationsꢀsuchꢀasꢀelectronicꢀmetering,ꢀ
environmentalꢀmonitoring,ꢀhandheldꢀinstruments,ꢀhouseholdꢀappliances,ꢀelectronicallyꢀcontrolledꢀ
tools,ꢀmotorꢀdrivingꢀinꢀadditionꢀtoꢀmanyꢀothers.
Rev. 1.20
7
De�eꢀꢁeꢂ 1ꢃꢄ 201ꢅ