Silicon Laboratories TOOLSTICK C8051F850 User Manual page 7

5.4. Legacy 8-bit IDE
Note: Using the Simplicity Studio tools with the C8051F850 ToolStick is recommended. See "5. Software Overview‚" on page 3
for more information.
Download the 8-bit software from the website (www.silabs.com/8bit-software) to install the software tools for the
ToolStick-F850DC devices. After installation, examples can be found in ...\Examples\C8051F85x_86x in the
installation directory. At a minimum, the C8051F850 ToolStick requires:
 Silicon Labs IDE—Software enabling initial evaluation, development, and debugging.
 Keil C51 Tools—Keil 8051 Compiler/Assembler/Linker toolchain.
 ToolStick Development Tools—Software and examples for the ToolStick development platform. More
information on this platform can be found at www.silabs.com/toolstick.
Other software available includes:
 Keil µVision Driver—Driver for the Keil µVision IDE that enables development and debugging on
C8051Fxxx MCUs.
 Flash Programming Utilities and MCU Production Programmer—Programming utilities for the
production line. More information on the available programming options can be found on the website:
www.silabs.com/products/mcu/Pages/ProgrammingOptions.aspx.
The development kit includes the latest version of the C51 Keil 8051 toolset. This toolset is initially limited to a code
size of 2 kB and programs start at code address 0x0800. After registration, the code size limit is removed entirely
and programs will start at code address 0x0000.
To register the Keil toolset:
1. Register on the Silicon Labs website (www.silabs.com/8bit-software) to obtain the serial number.
2. Open the Keil µVision4 IDE from the installation directory with administrative privileges.

3. Select File License Management to open the License Management window.
Figure 7. Keil µVision4 IDE License Management Window
4. Click on the Get LIC via Internet... button to open the Obtaining a License IDE Code (LIC) window.
5. Press OK to open a browser window to the Keil website. If the window doesn't open, navigate to
www.keil.com/license/install.htm.
6. Enter the Silicon Labs Product Serial Number, along with any additional required information.
7. Once the form is complete, click the Submit button. An email will be sent to the provided email address
with the license activation code.
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