Silicon Labs EFR32FG12 Flex Gecko Wireless SoCs

Silicon Labs EFR32FG12 Flex Gecko SoCs combine an energy-friendly MCU with a highly integrated radio transceiver. Flex Gecko SoCs are ideal for enabling energy-friendly proprietary protocol networking for IoT devices. The single-die solution provides industry-leading energy efficiency, ultra-fast wakeup times, a scalable power amplifier, an integrated balun, and no-compromise MCU features. Typical applications include home and building automation and security, metering, electronic shelf labels, industrial automation, and commercial and retail lighting.

Features

32-bit Arm® Cortex®-M4 core with 40MHz maximum operating frequency
Up to 1MB of flash and 256kB of RAM
Pin-compatible with EFR32FG1 QFN48 devices (exceptions apply for 5V-tolerant pins)
12-channel peripheral reflex system, low-energy sensor interface and multichannel capacitive sense interface

Integrated PA with up to 19.5dBm transmit power for 2.4GHz and 20dBm for sub-GHz radios
Autonomous hardware crypto accelerator and true random number generator
Integrated balun for 2.4GHz
Robust peripheral set and up to 65 GPIO