标签: pic18f8

ThePIC18FXXXXfamilyoffersthelargestrangeofon-chipenhancedFLASHprogrammemoryandtherichestselectionofperipheralsinthecurrentlineofMicrochipmicrocontrollers.ThePIC18F8XXXsubsetismadeupof80-pinpartsthatfurtherextendthecapabil-itiesbyprovidingaccesstoexternalmemorydevices.Throughtheadditionofexternalmemorydevices,an8-bitapplicationhasthepowertoutilizeunprecedentedamountsofcodeordata;upto2Mbytesforan8-bitmicrocontroller!AN869ExternalMemoryInterfacingTechniquesforthePIC18F8XXXThisapplicationnotecontainsthefollowingmainAuthor:TimRovnaksections:MicrochipTechnologyInc.ExternalMemoryInterface(EMI)OverviewDescribestheOperatingmodes,pinimplementation,INTRODUCTIONregisters,andcontrolbitsthatdeterminetheThePIC18FXXXXfamilyoffersthelargestrangeof……