Atmel AT91SAM9G20-EK Board Support Package

This package contains project templates, system files and example programs for the Atmel AT91SAM9G20-EK.

CrossWorks Version 3 Installation Instructions

This package can only be installed if you have the following CrossWorks license bolt-ons:

• ARM License

To install this support package

1. Click the Tools > Package Manager menu option to open the package manager window.
2. Right click on the Atmel AT91SAM9G20-EK Board Support Package entry and select Install Selected Packages.
3. Click Next to take you to the summary page.
4. Click Next to install the package.
5. Click Finish to close the package manager window.
6. Click the Tools > Show Installed Packages.
7. Click on the Atmel AT91SAM9G20-EK Board Support Package link to view the package and its contents.

To manually install this support package

1. If you have not done so already, follow the Atmel AT91SAM9 CPU Support Package and CrossWorks Tasking Library Package installation instructions.
2. Download the file Atmel_AT91SAM9G20_EK.hzq using your web browser.
3. Click the Tools > Manually Install Packages menu option.
4. Select the file you have just downloaded to install the package.
5. Click the Tools > Show Installed Packages.
6. Click on the Atmel AT91SAM9G20-EK Board Support Package link to view the package and its contents.

To install this support package using other versions

• CrossWorks Version 2 Installation Instructions
• CrossWorks Version 4 Installation Instructions

Release Notes

2.2

• Tested with CrossWorks Version 2.3.0 and Atmel AT91SAM9 CPU Support Package Version 2.4.

2.1

• DataFlash loader is built with sources contained in version 2.3 of the AT91SAM9 CPU support package.

2.0

• Initial Release.

Documentation

Creating Atmel AT91SAM9G20-EK Projects

CrossStudio for ARM supports the Atmel AT91SAM9G20-EK board with loading and debugging applications into SDRAM and into the serial DataFlash on NPCS0 or NPCS1.

To create a new Atmel AT91SAM9G20-EK Board project

• Select the File | New | New Project menu item.
• Select AT91SAM9G20_EK from the Boards category list.
• Select the required project template type from the Project Templates list.
• Set the required project name and location directory.
• Click OK.

To build, load and debug an application running in SDRAM

• Select the project to work on by using the Project | Set Active Project menu option.
• Select the SDRAM placement by clicking on the project node in the project explorer.
• Build the project by using the Build | Build Project menu option.
• Connect to the appropriate target in the target window.
• Download and start debugging the current project by using Debug | Start Debugging.

To load and debug an SDRAM application into the serial DataFlash on NPCS0.

• Connect to the appropriate target in the target window.
• Right click on the project node in the project explorer and select Program DataFlash (NPCS0).
• Start debugging by using Debug | Reset and Debug.

Atmel AT91SAM9G20-EK Project Specifics

Target Reset Script

The reset script for AT91SAM9G20_EK_Target.js supplies the function to set up the clocks and SDRAM that is called from the standard AT91SAM9_Target.js reset script.

Flash Loaders

The loaders (click to load solution) solution has projects to build the flash loader and secondary boot loader for the serial DataFlash on NPCS0 and NPCS1.

Board Specific Files

The file AT91SAM9G20_EK.c sets up the CTL timer and provides a led and button pressed function.