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HT66F20 Datasheet(PDF) 265 Page - Holtek Semiconductor Inc |
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HT66F20 Datasheet(HTML) 265 Page - Holtek Semiconductor Inc |
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265 / 298 page  Rev. 1.90 �64 �e���a�� 18� �01� Rev. 1.90 �65 �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 Mnemonic Description Cycles Flag Affected Data Move MOV A�[m] Move Data Memo�� to ACC 1 None MOV [m]�A Move ACC to Data Memo�� 1Note None MOV A�x Move immediate data to ACC 1 None Bit Operation CLR [m].i Clea� �it of Data Memo�� 1Note None SET [m].i Set �it of Data Memo�� 1Note None Branch JMP add� J�mp �nconditionall� � None SZ [m] Skip if Data Memo�� is ze�o 1Note None SZA [m] Skip if Data Memo�� is ze�o with data movement to ACC 1Note None SZ [m].i Skip if �it i of Data Memo�� is ze�o 1Note None SNZ [m].i Skip if �it i of Data Memo�� is not ze�o 1Note None SIZ [m] Skip if inc�ement Data Memo�� is ze�o 1Note None SDZ [m] Skip if dec�ement Data Memo�� is ze�o 1Note None SIZA [m] Skip if inc�ement Data Memo�� is ze�o with �es�lt in ACC 1Note None SDZA [m] Skip if dec�ement Data Memo�� is ze�o with �es�lt in ACC 1Note None CALL add� S���o�tine call � None RET Ret��n f�om s���o�tine � None RET A�x Ret��n f�om s���o�tine and load immediate data to ACC � None RETI Ret��n f�om inte���pt � None Table Read TABRD [m] Read ta�le to TBLH and Data Memo�� �Note None TABRDL [m] Read ta�le (last page) to TBLH and Data Memo�� �Note None Miscellaneous NOP No ope�ation 1 None CLR [m] Clea� Data Memo�� 1Note None SET [m] Set Data Memo�� 1Note None CLR WDT Clea� Watchdog Time� 1 TO� PD� CLR WDT1 P�e-clea� Watchdog Time� 1 TO� PD� CLR WDT� P�e-clea� Watchdog Time� 1 TO� PD� SWAP [m] Swap ni��les of Data Memo�� 1Note None SWAPA [m] Swap ni��les of Data Memo�� with �es�lt in ACC 1 None HALT Ente� powe� down mode 1 TO� PD� Note:1.Forskipinstructions,iftheresultofthecomparisoninvolvesaskipthentwocyclesarerequired,ifno skiptakesplaceonlyonecycleisrequired. 2.AnyinstructionwhichchangesthecontentsofthePCLwillalsorequire2cyclesforexecution. 3.Forthe“CLRWDT1”and“CLRWDT2”instructionstheTOandPDFflagsmaybeaffectedbythe executionstatus.TheTOandPDFflagsareclearedafterboth“CLRWDT1”and“CLRWDT2” instructionsareconsecutivelyexecuted.OtherwisetheTOandPDFflagsremainunchanged. |
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