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Salient Features of Modern Microcontroller

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1 Introduzione a Embedded System DesignProfessor Dhananjay V. GadreNetaji Subhas University of Technology, New DelhiLecture 5Salient Features of Modern MicrocontrollersHello, welcometothisnewsessiononintroduttiontoEmbeddedSystemDesign.Inthelastsessions, wediscussedvariousmetricsforselectingerightmicrocontrollerbeddedapplications.Thenwelookedatsixboxmodelswithchevisualizzazione_visualizevarioutilizzazione_dedsistemapplicazione.Andthenwearenowheringtolookatmoredetails mediante il quale selezioniamo un microcontrollore per un dato application.Quindi, letusstartat, soIamgoingtodiscute whatarethesalientfeaturemicrocontrollers.Whatdowewantfromthem?Andbasedontheseneeds, howtoselectanappropriatemicrocontrollerafilewemaybeusingTexasInstruments, MSP430microcontrollerforourcourse.Asaprofessional, oneusesverydifferentmetricsforusingagivenmicrocontroller.Si, awarenessofamicrocontrollerisoftenasignificativo, buttherearealtri fattori professionali ed economici per la selezione del microcontrollore giusto. (Fare Slide Time: 01 :49) Così, inthisslide, wearegoingtolookatwhatarethefunctionsadesigner, youasadesignerwouldexpectfromamicrocontrollerbecausethemicrocontrollerisacentralpieceinthis six box model, six block model o sei box model it non significa nulla di diverso.
Itinteractswiththeinput, itinteractswiththeoutputoutputsandsoon.Così, ithastoperformallthosefunctions.Così, thefirstveryimportantfunctionthatembeddedmicrocontrollermustperforfrazionechedovdbeabletoreaddigitalinputs.Thereasonischeamicrocontrollerè un circuito integrato digitale. Può anche avere capacità di lettura di tensioni analogiche e così on.Wecometothatprossimamente, butprimarilymicrocontrollerisalogicdeviceandthereforeitisverynaturalforamicrocontrollertobeabletoreaddiscretedigitalvalues.Thesevalues, eveniftheyarediscrete, theymustconformtocertainvoltagelevels.Whatwecallaslowvoltageandhighvoltageoroftentimesrepresentedas0and1.So, themicrocontrollerdbeabletoreaddigitale inputs.Thenitancidbeabletoonceitreadseinput, itmightbeprocessingthoseinputsandwouldprovideanoutput.Andthenaturalwayforalogicdevicesuchasamicrocontrollertoprovideanoutputwouldbeinadigitalform, whichmeansitcanproducealogic1oralogic0.Letmeshowyouwhataretekindofoutputstemaybeedtechefromamicrocontrollodellimmissione digitale e la natura in uscita digitale. (Fare Slide Time: 03 :50) Quindi, ifthisismymicrocontroller, themostcommonmetodwouldbetobeabletinputallyreadinputsqualialeinnature, che are.innatura, suchasaswitch.Aswitchdoesnotproducea0and1voltage.Instead, ithastwostatesche wecallasopenandclose, sowe