| Field | Offset | Width | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|---|
| PU0 | 0 | 1 | ✘ | ✘ | ✔ |
| PU1 | 1 | 1 | ✘ | ✘ | ✔ |
| PU2 | 2 | 1 | ✘ | ✘ | ✔ |
| PU3 | 3 | 1 | ✘ | ✘ | ✔ |
| PU4 | 4 | 1 | ✘ | ✘ | ✔ |
| PU5 | 5 | 1 | ✘ | ✘ | ✔ |
| PU6 | 6 | 1 | ✘ | ✘ | ✔ |
| PU7 | 7 | 1 | ✘ | ✘ | ✔ |
| PU8 | 8 | 1 | ✘ | ✘ | ✔ |
| PU9 | 9 | 1 | ✘ | ✘ | ✔ |
| PU10 | 10 | 1 | ✘ | ✘ | ✔ |
| PU11 | 11 | 1 | ✘ | ✘ | ✔ |
| PU12 | 12 | 1 | ✘ | ✘ | ✔ |
| PU13 | 13 | 1 | ✘ | ✘ | ✔ |
| PU14 | 14 | 1 | ✘ | ✘ | ✔ |
| PU15 | 15 | 1 | ✘ | ✘ | ✔ |