F458F4580.pdf

PIC单片机移植资料F458-F4580.pdfPIC18F458→PIC18F4580MigrationDEVICE MIGRATIONSThePIC18F4580is an extended architecture based on thePIC18F458family,but offers many new features.Thisdocument is intended to describe the functional differences,configuration differences and the electrical specificationdifferences that are present when migrating from one device to the next.Table1summarizes the features that may have migration impact on the software code developed forPIC18F458.Table2lists the new and modified features ofPIC18F4580that should not have any migration impact.Table3andTable4summarize the differences in SFRs and configuration memory,respectively.Table5summarizes the differencesin specific DC characteristics.The descriptions in the tables explain the difference