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1、SinglechipbriefintroductionThemonolithicintegratedcircuitsaidthatthemonolithicmicrocontroller,itisnotcompletessomelogicalfunctionthechip,butintegratesacomputersystemtoachipon.Summaryspeaking:Achiphasbecomeacomputer.Itsvolumeissmall,thequalityislight,andthepricecheap,forthestud
2、y,theapplicationandthedevelopmenthasprovidedtheconvenientcondition.Atthesametime,thestudyusemonolithicintegratedcircuitisunderstandsthecomputerprincipleandthestructurebestchoice.Themonolithicintegratedcircuitinterioralsouseswiththecomputerfunctionsimilarmodule,SCMbasiccomponen
3、tisacentralprocessingunit(CPUinthecomputingdeviceandcontroller),read-onlymemory(usuallyexpressedasaROM),read-writememory(alsoknownasRandomAccessMemoryMRAMisusuallyexpressedasaRAM),input/outputport(alsodividedintoparallelportandserialport,expressedasI/Oport),andsocomposed.Infac
4、tthereisalsoaclockcircuitmicrocontroller,sothatduringoperationandcontrolofthemicrocontroller,canrhythmicmanner.Inaddition,thereareso-called"breaksystem",thesystemisa"janitor"role,whenthemicrocontrollercontrolobjectparametersthatneedtobeinterventiontoreachaparticularstate,canaf
5、terthis"janitor"communicatedtotheCPU,sothatCPUprioritiesoftheexternaleventstotakeappropriatecounter-measures.whatisdifferentisitsthesepartperformanceisoppositeourhome-usecomputerweakmany,butthepriceisalsolow,generallydoesnotsurpass10Yuanthen......Madesomecontrolelectricapplian
6、ceonekindwithitisnotthe'verycomplexworkfoot,Weusenowthecompletelyautomaticdrumwasher,theplatoonpetti-coatpipe:VCDandsoonInsidetheelectricalappliancesmayseeitsform!......ItismainlytakesthecontrolsectionthecorepartItisonekindofonline-likereal-timecontrolcomputer,online-likeisthe
7、scenecontrol,needstohavethestrongantijammingability,thelowcost,thisisalsoandtheoff-linetypecomputer(forinstancehomeusePC,)maindifferenceThemonolithicintegratedcircuitisdependingontheprocedure,andmayrevise.Realizesthedifferentfunctionthroughthedifferentprocedure,particularlyspe
8、cialuniquesomefunctions,thisisothercomponentneedstotakethever
