Silicon Labs
| Device Code | EFR32MG21A020F1024 |
| Family | EFR32 MGx |
| Protocol(s) | FlashRunner 2.0: SWD - FR Cube: SWD |
| Memory Size | FLASH: 1 MB, DATAFLASH: 1 KB |
| Algorithm | FlashRunner 2.0: EFX32 - FR Cube: armm001 |
| Commercial Class | Mass Market |
| Big-Size Memory | No |
Availability
| FlashRunner HS, FlashRunner NXG, FlashRunner 2.0 | Available |
| FlashRunner CUBE | Available |