NXP
| Device Code | MK21DX256xxx5 |
| Family | Kinetis K2x Series |
| Protocol(s) | FlashRunner 2.0: SWD - FR Cube: EzPort, SWD |
| Memory Size | FLASH: 256 KB, EEPROM: 64 KB |
| Algorithm | FlashRunner 2.0: KINETIS - FR Cube: armm002 |
| Commercial Class | Mass Market |
| Big-Size Memory | No |
Availability
| FlashRunner HS, FlashRunner NXG, FlashRunner 2.0 | Available in 10 days |
| FlashRunner CUBE | Available |