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ThischaptercontainsgeneralinformationthatwillbeusefultoknowbeforeusingtheMCP3909/dsPIC33F3-PhaseEnergyMeterReferenceDesign.Itemsdiscussedinthischapterinclude:•DocumentLayout•ConventionsUsedinthisGuide•RecommendedReading•TheMicrochipWebSite•CustomerSupport•DocumentRevisionHistoryMCP3909/dsPIC33FJ128GP2063-PhaseEnergyMeterReferenceDesign2009MicrochipTechnologyInc.DS51823ANotethefollowingdetailsofthecodeprotectionfeatureonMicrochipdevices:MicrochipproductsmeetthespecificationcontainedintheirparticularMicrochipDataSheet.Microchipbelievesthatitsfamilyofproductsisoneofthemostsecurefamiliesofitskindonthemarkettoday,whenusedintheintendedmannerandundernormalconditions.Therearedishonestandpossiblyillegalmethodsusedtobreachthecodeprotectionfeature.Allofthesemethods,toourknowledge,requireusingtheMicrochipproductsinamanneroutsidetheoperatingspecificationscontainedinMicrochip’sData……