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HT45F4N Datasheet(PDF) 7 Page - Holtek Semiconductor Inc |
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HT45F4N Datasheet(HTML) 7 Page - Holtek Semiconductor Inc |
7 / 170 page Rev. 1.30 � De�e��e� 1�� �01� Rev. 1.30 7 De�e��e� 1�� �01� HT45F4N/HT45FH4N Power Bank Flash MCU HT45F4N/HT45FH4N Power Bank Flash MCU Device Features HT45FH4N AX/BX pin at Reset Output high CX/DX pin at Reset Output low Inte�nally Conne�ted PB4/OUT0L→A, PB3/OUT0H→C Level Shift AX/BX is non-inve�sion output of input A CX/DX is inve�sion output of input C Peripheral Features Table General Description ThedeviceisaFlashMemorytype8-bithighperformanceRISCarchitecturemicrocontroller. OfferinguserstheconvenienceofFlashMemorymulti-programmingfeatures,thisdevicealso includesawiderangeoffunctionsandfeatures.OthermemoryincludesanareaofRAMData MemoryaswellasanareaoftrueEEPROMmemoryforstorageofnon-volatiledatasuchasserial numbers,calibrationdataetc. Analogfeaturesincludeamulti-channel12-bitA/Dconverter,twoovercurrentprotectionfunctions, anover/undervoltageprotectionfunction,anUSBcharge/dischargeautodetectionfunctionanda LDOregulator.MultipleandextremelyflexibleTimerModulesprovidetiming,pulsegenerationand PWMgenerationfunctions.ProtectivefeaturessuchasaninternalWatchdogTimer,LowVoltage ResetandLowVoltageDetectorcoupledwithexcellentnoiseimmunityandESDprotectionensure thatreliableoperationismaintainedinhostileelectricalenvironments. AfullchoiceofHIRCandLIRCoscillatorfunctionsareprovidedincludingafullyintegrated systemoscillatorwhichrequiresnoexternalcomponentsforitsimplementation.Theabilityto operateandswitchdynamicallybetweenarangeofoperatingmodesusingdifferentclocksources givesuserstheabilitytooptimisemicrocontrolleroperationandminimizepowerconsumption. ThisdevicecontainsUSBportswhichareusedtoimplementtheCharge/DischargeDetection function.AlsotheinclusionofflexibleI/Oprogrammingfeatures,Time-Basefunctionsalong withmanyotherfeaturesensurethatthedevicewillfindexcellentuseinUSBcharge/discharge applications. |
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