STM32U031F4P3
Manufacturer package reference image
Ultra-low-power Arm Cortex-M0+ MCU with 16 Kbytes of Flash memory, 56 MHz CPU
Key Specifications
| Complete manufacturer part number | STM32U031F4P3 |
|---|---|
| Manufacturer | STMicroelectronics |
| Description | Ultra-low-power Arm Cortex-M0+ MCU with 16 Kbytes of Flash memory, 56 MHz CPU |
| Package / case | TSSOP-20 |
| Product category | Microcontrollers |
| Pins | 20 |
| MCU series | STM32U0 |
| Operating temperature (manufacturer ordering record) | -40.0 °C to 125.0 °C |
| Core | Arm Cortex-M0+ |
| Flash memory (exact ordering overview) | 16 KB |
| Maximum CPU frequency (ordering overview) | 56 MHz |
| Operating supply voltage | 1.71 V to 3.6 V |
| Packing type | Tube |
| RoHS compliant | Ecopack2 |
| Grade | Industrial |
| In stock | 8,052 pcs |
| Unit price | Request a quote |
| Lead time | To be confirmed |
Technical documentation and image source
Exact ST ordering page verified on 2026-11-04. Temperature labels preserve manufacturer ordering scope; ambient or junction basis is not inferred. Package reference image is not a stock-lot photograph. Consult the datasheet for electrical limits and test conditions.
Manufacturer package reference image for TSSOP-20. Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.