Devices EFR32BG26 Series EFR32BG26B320 EFR32BG26B320 Silicon Labs Devices 3 EFR32BG26B320F1024IM68 EFR32BG26B320 Cortex-M33 EFR32BG26B320F2048IM48 EFR32BG26B320 Cortex-M33 EFR32BG26B320F2048IM68 EFR32BG26B320 Cortex-M33