STMicroelectronics
| Device Code | STM32L431RB |
| Family | STM32 L4x |
| Protocol(s) | FlashRunner 2.0: JTAG, SWD - FR Cube: SWD |
| Memory Size | FLASH: 128 KB, INFO: 28 KB, OTP: 1 KB, OPTION_BYTES: 40 B |
| Algorithm | FlashRunner 2.0: STM32 - FR Cube: armm001 |
| Commercial Class | Mass Market |
| Big-Size Memory | No |
Availability
| FlashRunner HS, FlashRunner NXG, FlashRunner 2.0 | Available |
| FlashRunner CUBE | Available |