Arm Keil MDK v6 Essential and Professional editions are now available to buy as monthly or annual subscriptions from our Developer Tools store. Visit the store to get access to the tools suite today!

  1. Devices
  2. EFR32FG25 Series
  3. EFR32FG25B221
  4. EFR32FG25B221F1920IM56

EFR32FG25B221F1920IM56

Silicon Labs

- 32-bit ARM Cortex-M33 core with 97.5 MHz maximum operating frequency
- Up to 1920 kB of flash and 512 kB of RAM
- Wi-SUN Multi-rate OFDM, FSK, and O- QPSK modulations
- Integrated PA with up to 14 dBm (Sub- GHz) TX power
- Robust peripheral set and up to 37 GPIO

The EFR32FG25 Flex Gecko SoC is an ideal solution for sub-GHz Wi-SUN applications for metering, lighting, and distribution automation. The high-performance sub-GHz radio provides long range and is not susceptible to 2.4 GHz interference from technologies like Wi-Fi.

Core

Processor

Cortex-M33
Maximum Clock Frequency 39 MHz
Memory Protection Unit MPU
Floating Point Unit SP_FPU
Trust Zone TZ
Digital Signal Processor DSP
CortexM Vector Extensions
Endian Little-endian