KEELOQ跳码解码器的使用安全学习

Thisapplicationnotefullydescribestheworkingofa

codehoppingdecoderimplementedonaMicrochip

PIC16C56microcontroller.Thisdecoderusesthe

securelearn(seed-based)methodoflearningnew

transmitters.Thisapplicationnotedescribesthevari-

ousKEELOQ

®

codehoppingencodersthatcanbeused

withthedecoder,thedecoderhardware,andthevari-

oussoftwaremodulescomprisingthesystem.Thesoft-

warecanbeusedtoimplementastandalonedecoder

orintegratewithfullfunctionsecuritysystems.The

decodersupportstheMicrochipHCS200,HCS300,

HCS301,HCS360,HCS361andHCS410KEELOQ

CodeHoppingEncoders.AN662KEELOQCodeHoppingDecoderUsingSecureLearnAuthor:StevenDawsonKEYFEATURESMicrochipTechnologyInc.StandalonedecoderOVERVIEWCompatiblewithMicrochipHCS200,HCS300,HCS301,HCS360HCS361andHCS410ThisapplicationnotefullydescribestheworkingofaencoderscodehoppingdecoderimplementedonaMicrochipAutomaticbitratedetectionPIC16C56microcontroller.ThisdecoderusestheAutomaticencodertypedetectionsecurelearn(seed-based)methodoflearningnewFourfunc