标签: pic串行编程

Manyembeddedcontrolapplications,wheresensoroffsets,slopesandconfigurationinformationaremea-suredandstored,requireacalibrationstep.Tradition-ally,potentiometersorSerialEEPROMdevicesareusedtosetupandstorethiscalibrationinformation.Thisapplicationnotewillshowhowtoconstructapro-grammingjigthatwillreceivecalibrationparametersfromtheapplicationmid-rangePICmicro™microcon-trollers(MCU)andprogramthisinformationintotheapplicationbaselinePICmicrousingtheIn-CircuitSerialProgramming(ICSP™)protocol.ThismethodusesthePIC16CXXXIn-CircuitSerialProgrammingalgorithmofthe14-bitcoremicrocontrollers.AN656In-CircuitSerialProgramming(ICSP)ofCalibrationParametersUsingaPICmicroMicrocontrollerPROGRAMMINGFIXTUREAuthor:JohnDayMicrochipTechnologyInc.Aprogrammingxtureisneededtoassistwiththeselfprogrammingoperation.Thisistypicallyasmallre-usablemodulethatplugsintotheapplicationPCBINTRODUCTIONbeingcalibrated.Onlyvepinconnectionsareneeded……