HT45F4MA datasheet(7/145 Pages) HOLTEK

7 / 145 page

Rev. 1.20

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Rev. 1.20

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HT45F4MA/HT45FH4MA/HT45FH4MA-1

Power Bank Flash MCU

HT45F4MA/HT45FH4MA/HT45FH4MA-1

Power Bank Flash MCU

Device

Features

HT45FH4MA

HT45FH4MA-1

AX/BX pin at Reset

—

Output high

AX/BX pin at Reset

Output low

—

CX/DX pin at Reset

Output low

Inte�nally Conne�ted

PB5/OUTL → A, PB4/OUTH → C

PB3/TP1_0 → ENBF

PB5/OUTL → A, PB4/OUTH → C

PB3/TP1_0 → Floating

Level Shift

AX/BX is inve�sion output of input A

CX/DX is inve�sion output of input C

AX/BX is non-inve�sion output of input A.

CX/DX is inve�sion output of input C.

Level Shift Ena�le Cont�ol – ENBF Cont�olled �y PB3/TP1_0

Always ena�led

Peripheral Features Comparison Table

General Description

ThedeviceisaFlashMemorytype8-bithighperformanceRISCarchitecturemicrocontroller.

OfferinguserstheconvenienceofFlashMemorymulti-programmingfeatures,thisdevicealso

includesawiderangeoffunctionsandfeatures.OthermemoryincludesanareaofRAMData

MemoryaswellasanareaoftrueEEPROMmemoryforstorageofnon-volatiledatasuchasserial

numbers,calibrationdataetc.

Analogfeaturesincludeamulti-channel12-bitA/Dconverter,anovervoltageprotectionfunction,

anovercurrentprotectionfunctionandaLDOregulator.MultipleandextremelyflexibleTimer

Modulesprovidetiming,pulsegenerationandPWMgenerationfunctions.Protectivefeaturessuch

asaninternalWatchdogTimer,LowVoltageResetandLowVoltageDetectorcoupledwithexcellent

noiseimmunityandESDprotectionensurethatreliableoperationismaintainedinhostileelectrical

environments.

AfullchoiceofHIRCandLIRCoscillatorfunctionsareprovidedincludingafullyintegrated

systemoscillatorwhichrequiresnoexternalcomponentsforitsimplementation.Theabilityto

operateandswitchdynamicallybetweenarangeofoperatingmodesusingdifferentclocksources

givesuserstheabilitytooptimisemicrocontrolleroperationandminimizepowerconsumption.

TheinclusionofflexibleI/Oprogrammingfeatures,Time-Basefunctionsalongwithmanyother

featuresensurethatthedevicewillfindexcellentuseinapplicationssuchaselectronicmetering,

environmentalmonitoring,handheldinstruments,householdappliances,electronicallycontrolled

tools,motordrivinginadditiontomanyothers.

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