EFM32 Wonder Gecko

Silicon Labs' EFM32™ Wonder Gecko ARM® Cortex®-M4 based 32-bit microcontrollers (MCUs) provide flash memory configurations up to 256 kB, 32 kB of RAM and CPU speeds up to 48 MHz, providing a full DSP instruction set and includes a hardware FPU for faster computation performance.


Silicon Labs' EFM32WG-STK3800 is an excellent starting point to get familiar with the EFM32™ Wonder Gecko 32-bit microcontrollers. The starter kit contains sensors and peripherals demonstrating some of the MCU's many capabilities and can serve as a starting point for application development. The Wonder Gecko features an on-board SEGGER J-Link debugger and an Advanced Energy Monitoring system, allowing you to program, debug and perform real-time current profiling of your application without using external tools.


Wonder Gecko Platform Features

  • Starter kit features
    • 20 pin expansion header
    • Breakout pads for easy access to I/O pins
    • Power sources (USB and CR2032 battery)
    • USB interface for Host/Device/OTG
  • On-board peripherals
    • 32 MB NAND Flash
    • 2 user buttons, 2 user LEDs
    • 160 Segment LCD
    • Touch slider
    • Ambient light sensor
    • Inductive-capacitive metal sensor
    • Backup capacitor for RTC mode

Getting started with ARM mbed and EFM32

Additional Resources

More information

Learn more about Silicon Labs' EFM32 Wonder Gecko Starter Kit

 Buy Now

You need to log in to post a discussion


See more related questions