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数据搜索系统，热门电子元器件搜索 |
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HT45F56 数据表(PDF) 86 Page - Holtek Semiconductor Inc |
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HT45F56 数据表(HTML) 86 Page - Holtek Semiconductor Inc |
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86 / 90 page  Rev. 1.11 86 April 11, 2017 Rev. 1.11 87 April 11, 2017 HT45F56 Shock Detector Flash MCU HT45F56 Shock Detector Flash MCU SUBM A,[m] SubtractDataMemoryfromACCwithresultinDataMemory Description ThespecifiedDataMemoryissubtractedfromthecontentsoftheAccumulator.Theresultis storedintheDataMemory.Notethatiftheresultofsubtractionisnegative,theCflagwillbe clearedto0,otherwiseiftheresultispositiveorzero,theCflagwillbesetto1. Operation [m]←ACC−[m] Affectedflag(s) OV,Z,AC,C SUB A,x SubtractimmediatedatafromACC Description TheimmediatedataspecifiedbythecodeissubtractedfromthecontentsoftheAccumulator. TheresultisstoredintheAccumulator.Notethatiftheresultofsubtractionisnegative,theC flagwillbeclearedto0,otherwiseiftheresultispositiveorzero,theCflagwillbesetto1. Operation ACC←ACC−x Affectedflag(s) OV,Z,AC,C SWAP [m] SwapnibblesofDataMemory Description Thelow-orderandhigh-ordernibblesofthespecifiedDataMemoryareinterchanged. Operation [m].3~[m].0↔[m].7~[m].4 Affectedflag(s) None SWAPA [m] SwapnibblesofDataMemorywithresultinACC Description Thelow-orderandhigh-ordernibblesofthespecifiedDataMemoryareinterchanged.The resultisstoredintheAccumulator.ThecontentsoftheDataMemoryremainunchanged. Operation ACC.3~ACC.0←[m].7~[m].4 ACC.7~ACC.4←[m].3~[m].0 Affectedflag(s) None SZ [m] SkipifDataMemoryis0 Description IfthecontentsofthespecifiedDataMemoryis0,thefollowinginstructionisskipped.Asthis requirestheinsertionofadummyinstructionwhilethenextinstructionisfetched,itisatwo cycleinstruction.Iftheresultisnot0theprogramproceedswiththefollowinginstruction. Operation Skipif[m]=0 Affectedflag(s) None SZA [m] SkipifDataMemoryis0withdatamovementtoACC Description ThecontentsofthespecifiedDataMemoryarecopiedtotheAccumulator.Ifthevalueiszero, thefollowinginstructionisskipped.Asthisrequirestheinsertionofadummyinstruction whilethenextinstructionisfetched,itisatwocycleinstruction.Iftheresultisnot0the programproceedswiththefollowinginstruction. Operation ACC←[m] Skipif[m]=0 Affectedflag(s) None SZ [m].i SkipifbitiofDataMemoryis0 Description IfbitiofthespecifiedDataMemoryis0,thefollowinginstructionisskipped.Asthisrequires theinsertionofadummyinstructionwhilethenextinstructionisfetched,itisatwocycle instruction.Iftheresultisnot0,theprogramproceedswiththefollowinginstruction. Operation Skipif[m].i=0 Affectedflag(s) None |
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