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Approccio Modulare a ESD

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1 Introduzione a Embedded System DesignProfessor Dhananjay V. GadreElectronics and Communication EngineeringNetaji Subhas University of TechnologyBadri SubudhiElectrical Engineering DepartmentIndian Institute of Technology, JammuLecture 03Modular Approach to Embedded System DesignHello, welcometothenextlectureinourcourseonintroduzionetoEmbeddedSystemDesignaouknow, Iamla DhananjayGadreandIwillbeconduzionezionizionizioniprogettizionewediscussedthedefinitionodelteapplicationare.applicationareasandinhowmanyvariousways possiamo implementare la embedded computer.BeforewestartthislectureIwanttofollow-uponsomeoftheissueswediscussedinthelastlecturenamelyifyourecallinthelastlectureImentionedthatthereare3methodsofimplementing il computer incorporato. (Fare Slide Time: 01 :10) Thefirstoneisusingageneralpurposeprocessor, thesecondisusinganapplicationspecificprocessorandthethirdbeingsinglepurposecomputer.Ididnotdiscussthatwhatisthesourceofthese3approachesmeaningthatifyouwantedtoimplementtheembeddedcomputerusingageneralpurposeprocessorwheredoyougetageneralpurposeprocessornowitturnsoutthat generalpurposeprocessereadymadeprovidedbysomemanufacturerandthissarebbe chiamato generico comunemente disponibile device.Foresempio, youcouldtake8086oryoucouldtake68000theseareexamplesofgeneralpurposeprocessorsthisisonemethod.Thesecondmethodcouldbethatyoucoulddesignyourownyoucoulddesignaprocessorofyourchoiceusingcontemporarytechniquesandthiswouldbe un approcach.Andthetrentdistisexistingcompaniescouldlicenseyouthecode, thehardwaredescriptioncodefortheirprocessorandyoucouldacquierethosecodesitaverwayandtargettecodein un dispositivo logico programmabile come FPGA questi sono i 3 metods.Ifwewanttoimplementourembeddedcomputerusingapplicationspecificprocessorthenagain, wecanchothefirstmetodthativotdisponibtlemicrocontrolleraDSPorcreateourowncustomapplicationcustomchipandthetredyoucouldtakethehardwaredescriptioncodeper quel particolare micro controller o DSP e target una logica programmabile device.Singlepurposecomputerontheotherhandperché, thereisnospecialchipavailabletodochequestaresulytwomethods:oneischeyoudesignyourownsinglepurposecomputerandthengetitainacustomwayoronceyouaredesignedityoucouldtargetteattualimplementationinafieldprogrammablegatearraydevice.OnemorepointIwouldliketomenzione qui.