PIC16C56跳码解码器

Thisapplicationnotefullydescribestheworkingofa

codehoppingdecoderimplementedonaMicrochip

PIC16C56microcontroller.Backgroundisgivenonthe

variousKEELOQ

®

codehoppingencodersthatcanbe

usedwiththedecoder,thedecoderhardwaredescribed,

anddescriptionsofthevarioussoftwaremodulescom-

prisingthesystem.Thesoftwarecanbeusedtoimple-

mentastand-alonedecoderorintegratedwithfull

functionsecuritysystems.Thedecodersupportsthe

MicrochipHCS200,HCS201,HCS300,HCS301,

HCS360,HCS361andHCS410KEELOQCodeHopping

Encoders.AN661CodeHoppingDecoderUsingaPIC16C56KEYFEATURESAuthor:StevenDawsonStand-alonedecoderMicrochipTechnologyInc.CompatiblewithMicrochipHCS200,HCS201,HCS300,HCS301,HCS360,HCS361andHCS410encodersOVERVIEWAutomaticbaudratedetectionAutomaticencodertypedetectionThisapplicationnotefullydescribestheworkingofaFourfu