PEmicro Blog

Add Support for Silicon Labs EFR32FG23L

Feb 13, 2026

With the release of Cyclone software v11.68 and PROG-HL-ARM software v9.94, PEmicro development and production programmers now support the Silicon Labs EFR32FG23L microcontrollers.

The EFR32FG23L contains a High Performance 32-bit 78 MHz ARM Cortex®-M33 with up to 128 KB of flash program memory. The EFR32FG23L Sub-GHz solution is an ultra-low power, cost-effective SoC designed with optimal flash and RAM for a diverse set of applications. The single die, multi-core solution, provides best-in-class link budget, low power consumption with fast wakeup times, and an integrated power amplifier to enable the next generation of secure connectivity for IoT devices. The FG23L provides efficiency and reliability, making it suitable for applications such as home and industrial automation, key fobs and smart city sensor nodes.