HT45F5Q datasheet(7/114 Pages) HOLTEK

7 / 114 page

Rev. 1.10

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HT45F5Q

Charger Flash MCU

HT45F5Q

Charger Flash MCU

General Description

TheHT45F5QisanASSPMCUspecificallydesignedforBatteryChargerapplications.Offering

userstheconvenienceofFlashMemorymulti-programmingfeatures,thedevicealsoincludesa

widerangeoffunctionsandfeatures.OthermemoryincludesanareaofRAMDataMemoryaswell

as an area of true EEPROM memory for storage of non-volatile data such as serial numbers,

calibrationdataetc.

Analogfeaturesincludeamulti-channel12-bitA/Dconverterfunction.Multipleandextremely

flexibleTimerModulesprovidetiming,pulsegeneration,captureinput,comparematchoutput,

singlepulseoutputandPWMgenerationfunctions.ProtectivefeaturessuchasaninternalWatchdog

TimerandLowVoltageResetcoupledwithexcellentnoiseimmunityandESDprotectionensure

thatreliableoperationismaintainedinhostileelectricalenvironments.

AfullchoiceofHIRCandLIRCoscillatorfunctionsareprovidedincludingafullyintegrated

systemoscillatorwhichrequiresnoexternalcomponentsforitsimplementation.

TheinclusionofflexibleI/Oprogrammingfeatures,Time-Basefunctionsalongwithmanyother

featuresensurethatthedevicewillfindexcellentuseinapplicationssuchaselectronicmetering,

environmentalmonitoring,handheldinstruments,householdappliances,electronicallycontrolled

tools,motordrivinginadditiontomanyothers.

Block Diagram

8-�it

RISC

MCU

Co�e

I/O

Ti�e�

Module

Flash

P�og�a�

Me�o�y

EEPROM

Data

Me�o�y

Flash/EEPROM

P�og�a��ing Ci��uit�y

RAM

Data

Me�o�y

Ti�e

Bases

Low

Voltage

Reset

Wat�hdog

Ti�e�

Low

Voltage

Dete�t

Inte��upt

Cont�olle�

Reset

Ci��uit

Inte�nal RC

Os�illato�s

1�-�it A/D

Conve�te�

Ove� Cu��ent

P�ote�tion

Ove� Voltage

P�ote�tion

Batte�y

Cha�ge Ci��uit

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