KEY FEATURES

• 32-bit ARM® Cortex®-M4 core with 40

MHz maximum operating frequency

• Up to 1 MB of flash and 256 kB of RAM

• Pin-compatible across EFR32FG families

(exceptions apply for 5V-tolerant pins)

• 12-channel Peripheral Reflex System,

Low-Energy Sensor Interface & Multichannel

Capacitive Sense Interface

• Autonomous Hardware Crypto Accelerator

and True Random Number Generator

• Integrated PA with up to 19 dBm (2.4

GHz) or 20 dBm (Sub-GHz) TX power

• Integrated balun for 2.4 GHz

• Robust peripheral set and up to 65 GPIO