This guide is divided into a number of sections:

Introduction
  Covers installing CrossWorks on your machine and verifying that it operates correctly, followed by a brief guide to the operation of the CrossStudio integrated development environment, debugger, and other software supplied in the CrossWorks package.
CrossStudio Tutorial
  Describes how to get started with CrossStudio and runs through all the steps from creating a project to debugging it on hardware.
CrossStudio Reference
  Contains information on how to use the CrossStudio development environment to manage your projects, build, and debug your applications.
C Compiler Reference
  Contains documentation for the C compiler, including syntax and usage details and a description of extensions provided by CrossWorks.
Tasking Library Tutorial
  Contains documentation on using the CrossWorks tasking library to write multi-threaded applications.
AVR Library Reference
  Contains documentation for the functions that are specific to the AVR.
AVR Device Reference
  Contains documentation that relates to the peripherals and registers of AVR devices that CrossWorks supports.
Standard C Library Reference
  Contains documentation for the functions in the standard C library supplied in the package.
Assembler Reference
  Contains detailed documentation covering how to use the assembler, the assembler notation, an instruction set reference, macros, and other assembler features and extensions.
Command Line Tools Reference
  Contains detailed reference material about the CrossWorks command line tools.