Renesas
| Device Code | R5F2121C |
| Family | R8C |
| Protocol(s) | FlashRunner 2.0: UART1, UART2 - FR Cube: SINGLE_WIRE |
| Memory Size | FLASH: 128 KB, DATA: 2 KB |
| Algorithm | FlashRunner 2.0: RNSS_B - FR Cube: r8c01 |
| Commercial Class | Mass Market |
| Big-Size Memory | No |
Availability
| FlashRunner HS, FlashRunner NXG, FlashRunner 2.0 | Available |
| FlashRunner CUBE | Available |