PIC17CXXX到PIC18CXXX 迁移

ThespecificationofthePIC18CXXXArchitecturewas

donewithseveralgoals.Oneofthemostimportantof

thesegoalswascodecompatibilitywithexisting

PICmicro

®

families.Thisgoaleasesthemigrationfrom

oneproductfamilytothePIC18CXXXfamily.AN726PIC17CXXXtoPIC18CXXXMigrationMODULEDIFFERENCESAuthor:MarkPalmerMicrochipTechnologyInc.First,oneneedstounderstandwhatarethedifferencesbetweenthemodules.ThenthecodecanbeevaluatedINTRODUCTIONtoseeifthereareanychangesrequiredduetothesedifferences.SomemodulesarefunctionallycompatibleThespecificationofthePIC18CXXXArchitecturewasandshouldonlyrequireminorch