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HT66F019 Fiches technique(PDF) 21 Page - Holtek Semiconductor Inc |
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HT66F019 Fiches technique(HTML) 21 Page - Holtek Semiconductor Inc |
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21 / 175 page ![]() Rev. 1.00 �0 De�e��e� 01� �01� Rev. 1.00 �1 De�e��e� 01� �01� HT66F019 A/D Flash MCU with EEPROM HT66F019 A/D Flash MCU with EEPROM Sta�k Pointe� Sta�k Level � Sta�k Level 1 Sta�k Level 3 : : : Sta�k Level 8 P�og�a� Me�o�y P�og�a� Counte� Botto� of Sta�k Top of Sta�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 • Logicoperations:AND,OR,XOR,ANDM,ORM,XORM,CPL,CPLA • RotationRRA,RR,RRCA,RRC,RLA,RL,RLCA,RLC • IncrementandDecrementINCA,INC,DECA,DEC • Branchdecision,JMP,SZ,SZA,SNZ,SIZ,SDZ,SIZA,SDZA,CALL,RET,RETI |
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