被动无钥门禁（PKE）参考设计用户手册

Thischaptercontainsgeneralinformationthatwillbeusefultoknowbeforeusingthe

PKEReferenceDesign.Itemsdiscussedinthischapterinclude:

•DocumentLayout

•ConventionsUsedinthisGuide

•RecommendedReading

•TheMicrochipWebSite

•CustomerSupportPassiveKeylessEntry(PKE)ReferenceDesignUser’sManual2006MicrochipTechnologyInc.DS21986ANotethefollowingdetailsofthecodeprotectionfeatureonMicrochipdevices:MicrochipproductsmeetthespecificationcontainedintheirparticularMicrochipDataSheet.Microchipbelievesthatitsfamilyofproductsisoneofthemostsecurefamiliesofitskindonthemarkettoday,whenusedintheintendedmannerandundernormalconditions.Therearedishonestandpossiblyillegalmethodsusedtobreachthecodeprotectionfeature.Allofthesemethods,toourknowledge,requireusingtheMicrochipproductsinamanneroutsidetheoperating