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HT66F20 Datasheet(PDF) 267 Page - Holtek Semiconductor Inc |
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HT66F20 Datasheet(HTML) 267 Page - Holtek Semiconductor Inc |
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267 / 298 page  Rev. 1.90 �66 �e���a�� 18� �01� Rev. 1.90 �67 �e���a�� 18� �01� HT66F20/HT66F30/HT66F40/HT66F50/HT66F60 HT66FU30/HT66FU40/HT66FU50/HT66FU60 Enhanced A/D Flash Type 8-Bit MCU with EEPROM HT66F20/HT66F30/HT66F40/HT66F50/HT66F60 HT66FU30/HT66FU40/HT66FU50/HT66FU60 Enhanced A/D Flash Type 8-Bit MCU with EEPROM CALL addr Subroutinecall Description Unconditionallycallsasubroutineatthespecifiedaddress.TheProgramCounterthen incrementsby1toobtaintheaddressofthenextinstructionwhichisthenpushedontothe stack.Thespecifiedaddressisthenloadedandtheprogramcontinuesexecutionfromthis newaddress.Asthisinstructionrequiresanadditionaloperation,itisatwocycleinstruction. Operation Stack←ProgramCounter+1 ProgramCounter←addr Affectedflag(s) None CLR [m] ClearDataMemory Description EachbitofthespecifiedDataMemoryisclearedto0. Operation [m]←00H Affectedflag(s) None CLR [m].i ClearbitofDataMemory Description BitiofthespecifiedDataMemoryisclearedto0. Operation [m].i←0 Affectedflag(s) None CLR WDT ClearWatchdogTimer Description TheTO,PDFflagsandtheWDTareallcleared. Operation WDTcleared TO←0 PDF←0 Affectedflag(s) TO,PDF CLR WDT1 Pre-clearWatchdogTimer Description TheTO,PDFflagsandtheWDTareallcleared.Notethatthisinstructionworksin conjunctionwithCLRWDT2andmustbeexecutedalternatelywithCLRWDT2tohave effect.RepetitivelyexecutingthisinstructionwithoutalternatelyexecutingCLRWDT2will havenoeffect. Operation WDTcleared TO←0 PDF←0 Affectedflag(s) TO,PDF CLR WDT2 Pre-clearWatchdogTimer Description TheTO,PDFflagsandtheWDTareallcleared.Notethatthisinstructionworksinconjunction withCLRWDT1andmustbeexecutedalternatelywithCLRWDT1tohaveeffect. RepetitivelyexecutingthisinstructionwithoutalternatelyexecutingCLRWDT1willhaveno effect. Operation WDTcleared TO←0 PDF←0 Affectedflag(s) TO,PDF CPL [m] ComplementDataMemory Description EachbitofthespecifiedDataMemoryislogicallycomplemented(1′scomplement).Bitswhich previouslycontaineda1arechangedto0andviceversa. Operation [m]←[m] Affectedflag(s) Z |
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