HT67F5652 datasheet(23/224 Pages) HOLTEK

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HT67F5652

24-Bit Delta Sigma A/D + LCD Flash MCU

HT67F5652

24-Bit Delta Sigma A/D + LCD Flash MCU

Ifthestackisoverflow,thefirstProgramCountersaveinthestackwillbelost.

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Arithmetic and Logic Unit – ALU

Thearithmetic-logicunitorALUisacriticalareaofthemicrocontrollerthatcarriesoutarithmetic

andlogicoperationsoftheinstructionset.Connectedtothemainmicrocontrollerdatabus,theALU

receivesrelatedinstructioncodesandperformstherequiredarithmeticorlogicaloperationsafter

whichtheresultwillbeplacedinthespecifiedregister.AstheseALUcalculationoroperationsmay

resultincarry,borroworotherstatuschanges,thestatusregisterwillbecorrespondinglyupdatedto

reflectthesechanges.TheALUsupportsthefollowingfunctions:

• Arithmeticoperations:

ADD,ADDM,ADC,ADCM,SUB,SUBM,SBC,SBCM,DAA,

LADD,LADDM,LADC,LADCM,LSUB,LSUBM,LSBC,LSBCM,LDAA

• Logicoperations:

AND,OR,XOR,ANDM,ORM,XORM,CPL,CPLA,

LAND,LOR,LXOR,LANDM,LORM,LXORM,LCPL,LCPLA

• Rotation:

RRA,RR,RRCA,RRC,RLA,RL,RLCA,RLC,

LRR,LRRA,LRRCA,LRRC,LRLA,LRL,LRLCA,LRLC

• IncrementandDecrement:

INCA,INC,DECA,DEC,

LINCA,LINC,LDECA,LDEC

• Branchdecision:

JMP,SZ,SZA,SNZ,SIZ,SDZ,SIZA,SDZA,CALL,RET,RETI,

LSZ,LSZA,LSNZ,LSIZ,LSDZ,LSIZA,LSDZA

Flash Program Memory

TheProgramMemoryisthelocationwheretheusercodeorprogramisstored.Forthisdevicethe

ProgramMemoryisFlashtype,whichmeansitcanbeprogrammedandre-programmedalarge

numberoftimes,allowingtheusertheconvenienceofcodemodificationonthesamedevice.

Byusingtheappropriateprogrammingtools,thisFlashdeviceoffersuserstheflexibilityto

convenientlydebuganddeveloptheirapplicationswhilealsoofferingameansoffieldprogramming

andupdating.

Structure

TheProgramMemoryhasacapacityof8K×16bits.TheProgramMemoryisaddressedbythe

ProgramCounterandalsocontainsdata,tableinformationandinterruptentries.Tabledata,whichcan

besetupinanylocationwithintheProgramMemory,isaddressedbyaseparatetablepointerregister.

HT67F5652 Datasheet(PDF) 23 Page - Holtek Semiconductor Inc

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