EFR32FG23 in Silicon Labs EFR32 / EFM32 Family
The EFR32FG23 (FG23) is a family of sub-GHz wireless SoCs from Silicon Labs, designed as part of their Series 2 platform. It integrates a high-performance ARM Cortex-M33 core with a dedicated radio designed for long-range proprietary sub-GHz protocols, Connect, and Wi-SUN. This family is optimized for low-power operation, high sensitivity, and robust interference immunity, making it a primary choice for battery-powered industrial and smart city IoT applications requiring reliable communication over long distances.
Variants in This Sub-Family
Variants within the EFR32FG23 family are primarily differentiated by their maximum transmit power (up to +20 dBm), integrated flash memory capacity ranging from 128 KB to 512 KB, and SRAM size. Additionally, different part numbers specify package types such as QFN40 or QFN48, and certain versions include the Secure Vault High feature set while others utilize the standard Secure Vault Mid security configuration.
