DSPIC DSCTMF检测库用户指南

Thischaptercontainsgeneralinformationthatwillbeusefultoknowbeforeusingthe

dsPIC

®

DSCDTMFDetectionLibrary.Itemsdiscussedinthischapterinclude:

•DocumentLayout

•ConventionsUsedinthisGuide

•WarrantyRegistration

•RecommendedReading

•TheMicrochipWebSite

•DevelopmentSystemsCustomerChangeNotificationService

•CustomerSupport

•DocumentRevisionHistorydsPICDSCDTMFDETECTIONLIBRARYUSER’SGUIDE2010MicrochipTechnologyInc.DS70332BNotethefollowingdetailsofthecodeprotectionfeatureonMicrochipdevices:MicrochipproductsmeetthespecificationcontainedintheirparticularMicrochipDataSheet.Microchipbelievesthatitsfamilyofproductsisoneofthemostsecurefamiliesofitskindonthemarkettoday,whenusedintheintendedmannerandundernormalconditions.Therearedishonestandpossiblyillegalmethodsusedtobreachthecodeprotectionfeature.Allofthesemethods,toourknowledge,requireusingtheMicrochipproductsinamanneroutsidetheoperatingspecificationscontainedinMicrochip’sDataSheets.Mostlikel