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  1. Devices
  2. EFR32FG23 Series
  3. EFR32FG23A021
  4. EFR32FG23A021F512GM40

EFR32FG23A021F512GM40

Silicon Labs

- 32-bit ARM Cortex-M33 core with 78 MHz maximum operating frequency
- Up to 512 kB of flash and 64 kB of RAM
- Energy-efficient radio core with low active and sleep currents
- Integrated PA with up to 20 dBm (Sub-GHz) TX power
- Robust peripheral set and up to 31 GPIO

The EFR32FG23 Flex Gecko SoC is an ideal solution for sub-GHz "Internet of Things" for smart home, security, lighting, building automation, and metering. 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