EFR32BG21 Blue Gecko Wireless SoC
Family Data Sheet
The Blue Gecko family of SoCs is part of the Wireless Gecko portfolio. Blue Gecko SoCs are ideal for enabling energy-friendly Bluetooth 5 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 Blue Gecko applications include:
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• • Integrated PA with up to 20 dBm (2.4
GHz) TX power 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
Oscillator Flash Program
Memory Debug Interface HF …
