Devices EFR32MG26 Series EFR32MG26 Series Silicon Labs Devices 24 EFR32MG26B521F3200IM48 EFR32MG26B521 Cortex-M33 EFR32MG26B521F3200IM68 EFR32MG26B521 Cortex-M33 EFR32MG26B610F3200IM48 EFR32MG26B610 Cortex-M33 1 2