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µVision3 User's Guide

µVision3 Overview User Interface Creating Applications Utilities Debugging Debug Commands Debug Functions Simulation Flash Programming Dialogs File Device Database License Management Single-User License Floating-User License Floating License Administrator Edit Find in Files Configuration Editor Colors & Fonts User Keywords Shortcut Keys Templates View Symbol Window Project Components, Enviornment, and Books Project Components Folders/Extensions Books Multi-Project Select Device Options Device Properties Target Target (Keil ARM) Target (Keil C51) Target (Keil C166) Target (Keil C251) Target (GNU ARM) Target (RealView ARM) Output Output (Keil) Output (GNU ARM) Output (RealView ARM) Listing Listing (Keil) Listing (GNU ARM) Listing (RealView ARM) User Keil EC++ Compiler Compiler Keil CA ARM Compiler Keil Cx51 Compiler Keil C166 Compiler Keil C251 Compiler GNU ARM C Compiler RealView ARM C Compiler Assembler Keil AA ARM Assembler Keil Ax51 Assembler Keil A166 Assembler Keil A251 Assembler GNU ARM Assembler RealView ARM Assembler Linker Keil LA Locate Keil LA Misc Keil BL51 Locate Keil BL51 Misc Keil Lx51 Locate Keil Lx51 Misc Keil L166 Locate Keil L166 Misc GNU ARM Linker RealView ARM Linker Debug Utilities Batch Build Debug Breakpoints Debug Settings Logic Analyzer Memory Map Performance Analyzer Function Editor Tools Setup PC-Lint Customize Tools Menu SVCS Configure Version Control Example Programs Command Line Appendix

Linker

Use Memory Layout from Target Dialog
Enable this option to use the memory information from the selected Device and the Target Page. You may still add additional classes or sections to these settings.
Reserve
The RESERVE directive allows you to prevent the linker from locating segments in the specified address ranges of the physical memory. The linker/locater will not use all memory addresses within the specified range. If an absolute segment uses a reserved memory area, a warning messages is generated.
C Classes
Displays the CLASSES directive created for the RAM and ROM definitions specified in the Target dialog.
User Classes
User classes are useful when you need to locate many variables from different source modules special memory areas.
User Segments
The SEGMENTS directive allows you to specify the absolute memory location of a segment. The absolute address can be either a start or an end address.
Linker Control String
Displays the current directives in the linker command line.
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