It's recommended to download Simplicity Studio, there you could find all datasheets and a lot more information about EFM32 microcontrollers.
A simple blinking LED example for the Olimex EM-32G210F128-H programmed with ARM-JTAG-COOCOX
or Ulink2 with Keil MDK-ARM-LITE, is available on
Forum thread about this example
Created by cprogrammer