EFM32 Giant Gecko

Silicon Labs' EFM32™ Giant Gecko ARM® Cortex®-M3 based 32-bit microcontrollers (MCUs) provide flash memory configurations up to 1024 kB, 64-128 kB of RAM and CPU speeds up to 48 MHz, making them ideal for energy sensitive applications with high memory and connectivity requirements.


Silicon Labs' EFM32GG-STK3700 is an excellent starting point to get familiar with the EFM32™ Giant 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 Giant 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.


Giant Gecko Platform Features

  • EFM32GG990F1024 MCU
    • ARM® Cortex™-M3, up to 48MHz
    • 128 kB RAM
    • 1 MB Flash
    • EFM32 OPAMP footprint
  • 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

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