使用PIC16F639的单片机智能无线应用

ThePIC16F639isasuitablemicrocontrollerforbi-

directionalcommunicationsandlow-frequencysensing

applications.ThedeviceincludesaPIC16F636micro-

controllerandathreechannelLow-Frequency(LF)

front-enddeviceinasingle20-pinSSOPpackage.

ThesetwodevicesareinternallyconnectedviaSPI

™

interfacepads.AN959UsingthePIC16F639MCUforSmartWirelessApplicationsTheanalogfront-endsectionalsohasadynamicallyAuthor:YoubokLee,Ph.D.reconfigurableoutputenablefilterthatcanallowtheMicrochipTechnologyInc.MCUtowake-uptothewantedinputsignalonly,butignoreallotherunwantedsignals.Foralow-powerbatteryoperation,thedeviceisINTRODUCTIONoptimizedtoconsumeverylowcu