EFR32MG21 Mighty Gecko Multiprotocol
Wireless SoC Family Data Sheet
The Mighty Gecko multiprotocol family of SoCs is part of the Wireless Gecko portfolio. Mighty Gecko SoCs are ideal for enabling energy-friendly multiprotocol, multiband networking for IoT devices. KEY FEATURES • 32-bit ARM® Cortex®-M33 core with 80
MHz maximum operating frequency The single-die solution combines an 80 MHz ARM Cortex-M33 with a high performance
2.4 GHz radio to provide an industry-leading, energy efficient wireless SoC for IoT connected applications. • Up to 1024 kB of flash and 96 kB of RAM
• 12-channel Peripheral Reflex System
enabling autonomous interaction of MCU
peripherals Mighty Gecko applications include:
•
•
•
•
• • Integrated PA with up to 20 dBm (2.4
GHz) TX power IoT Multi-Protocol Devices
Lighting
Connected Home
Gateways and Digital Assistants
Building Automation and Security • Robust peripheral set and up to 20 GPIO
in a 4x4 QFN package Core / Memory
ARM CortexTM M33 processor
with DSP extensions,
FPU and TrustZone ETM Clock Management
HF Crystal …
