HT66FV240 datasheet(21/203 Pages) HOLTEK

21 / 203 page

Rev. 1.40

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HT66FV240

Wireless Voice Flash MCU

HT66FV240

Wireless Voice Flash MCU

Ifthestackisoverflow,thefirstProgramCountersaveinthestackwillbelost.

Pr og ra m Co un te r

St ac k Le ve l 1

St ac k Le ve l 2

St ac k Le ve l 3

St ac k Le ve l 8

Pr og ra m

Me mo ry

T op of S ta ck

St ac k

Po in te r

Bo tt om o f St ac k

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

LRRA,LRR,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

HT66FV240 Datasheet(PDF) 21 Page - Holtek Semiconductor Inc

HT66FV240 Datasheet(HTML) 21 Page - Holtek Semiconductor Inc

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