使用PIC18F2520的MCP3909三相电表参考设计
Thischaptercontainsgeneralinformationthatwillbeusefultoknowbeforeusingthe
MCP39093-PhaseEnergyMeterReferenceDesign.Itemsdiscussedinthischapter
include:
•DocumentLayout
•ConventionsUsedinthisGuide
•RecommendedReading
•TheMicrochipWebSite
•CustomerSupport
•DocumentRevisionHistoryMCP39093-PhaseEnergyMeterReferenceDesignUsingthePIC18F25202008MicrochipTechnologyInc.DS51643BNotethefollowingdetailsofthecodeprotectionfeatureonMicrochipdevices:MicrochipproductsmeetthespecificationcontainedintheirparticularMicrochipDataSheet.Microchipbelievesthatitsfamilyofproductsisoneofthemostsecurefamiliesofitskindonthemarkettoday,whenusedintheintendedmannerandundernormalconditions.Therearedishonestandpossiblyillegalmethodsusedtobreachthecodeprotectionfeature.Allofthesemethods,toourknowledge,req