emdesigns.ThereareexistingNASAandDODprogramsthataredoingtechnologydevelopmenttoprovideHBD.Microcontrollersareonesuchvehiclethatisbeinginvestigatedtoquantifytheradiationhardnessimprovement.ExamplesoftheseprogramsarethemicrocontrollerbeingdevelopedbyMissionResearchCorporation(MRC)andtheIAμE(thefocusofthisstudy).AstheseHBDtechnologiesbecomeavailable,validationofthetechnology,inthenaturalspaceradiationenvironment,forNASA’suseinspaceflightsystemsisrequired.Themicrocontrollerisanindustrystandardarchitecturethathasbroadacceptance,wide-rangingapplicationsanddevelopmenttoolsavailable.Therearenumerouscommercialvendorsthatsupplythiscontrollerorhaveitintegratedintosometypeofsystem-on-a-chipstructure.BothMRCandIAμEchosethisdevicetodemonstratetwodistinctlydifferenttechnologiesforhardening.TheMRCexampleofthisistousetemporallatchesthatrequirespecifictimingtoensurethatsingleeventeffectsaremini,但这个时候,代码不是启动/串行装入程序代码,而是测试代码。
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