STMicroelectronics
| Device Code | STM8S903K3 |
| Family | STM8 |
| Protocol(s) | FlashRunner 2.0: SWIM - FR Cube: SWIM |
| Memory Size | FLASH: 8 KB, EEPROM: 640 B, OPTION_BYTES: 11 B |
| Algorithm | FlashRunner 2.0: STM8 - FR Cube: stm801 |
| Commercial Class | Mass Market |
| Big-Size Memory | No |
Availability
| FlashRunner HS, FlashRunner NXG, FlashRunner 2.0 | Available |
| FlashRunner CUBE | Available |