Thisapplicationnotediscussestheorganizationofthe

PICmicroMCUandrelatedfirmwarefordeveloping

IEEE1451.2SmartTransducerInterfaceModules

(STIM).Althoughadetailedunderstandingofthe

1451.2isnotrequired,aworkingknowledgeof1451.2

conceptslikeTransducerElectronicDataSheet

(TEDS),STIMs,datamodels,etc.,isassumed.The

purposeofthisapplicationnoteistoprovidethedevel-

opersofaPICmicroMCUbasedSTIMwithsomekey

hardwareandfirmwarebuildingblocks,thatmaybeuti-

lizedinthedevelopmentofaSTIM.AN214ThePICmicroMCUasanIEEE1451.2CompatibleSmartTransducerInterfaceModule(STIM)TheIEEE1451.2standardprovidesthemeanstocon-Authors:RichardL.Fischernectsensorsandactuatorstoadigitalsystem,typicallyMicrochipTechnologyInc.anetwork,viaaNetworkCapableApplicationProces-JeffBurchsor(NCAP).Figure2depictsageneraldistributedAgilentTechnologiesmeasurementandcontrolapplicationandFigure3