标签: pic18f6620

基于PIC18F6620单片机多功能RS232485转换模块的设计.pdf

ThePIC18F6620/8620/6720/8720partsyouhavereceivedconformfunctionallytotheDeviceDataSheet(DS39609B),exceptfortheanomaliesdescribedbelow.AlloftheissueslistedherewillbeaddressedinfuturerevisionsofthePIC18F6620/8620/6720/8720silicon.PIC18F6620/8620/6720/8720PIC18F6620/8620/6720/8720Rev.A3Silicon/DataSheetErrataThePIC18F6620/8620/6720/8720partsyouhave1.Module:CorereceivedconformfunctionallytotheDeviceDataSheetCertaincodesequenceandplacementmaycause(DS39609B),exceptfortheanomaliesdescribedthecorruptionofafewbitsintheinstructionfetchbelow.whenthepartisusedabove4MHz.AcorruptedAlloftheissueslistedherewillbeaddressedinfutureinstructionfetchwillcausetheparttoexecuteanrevisionsofthePIC18F6620/8……