| Field | Offset | Width | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|---|
| BR0 | 0 | 1 | ✘ | ✘ | ✔ |
| BR1 | 1 | 1 | ✘ | ✘ | ✔ |
| BR2 | 2 | 1 | ✘ | ✘ | ✔ |
| BR3 | 3 | 1 | ✘ | ✘ | ✔ |
| BR4 | 4 | 1 | ✘ | ✘ | ✔ |
| BR5 | 5 | 1 | ✘ | ✘ | ✔ |
| BR6 | 6 | 1 | ✘ | ✘ | ✔ |
| BR7 | 7 | 1 | ✘ | ✘ | ✔ |
| BR8 | 8 | 1 | ✘ | ✘ | ✔ |
| BR9 | 9 | 1 | ✘ | ✘ | ✔ |
| BR10 | 10 | 1 | ✘ | ✘ | ✔ |
| BR11 | 11 | 1 | ✘ | ✘ | ✔ |
| BR12 | 12 | 1 | ✘ | ✘ | ✔ |
| BR13 | 13 | 1 | ✘ | ✘ | ✔ |
| BR14 | 14 | 1 | ✘ | ✘ | ✔ |
| BR15 | 15 | 1 | ✘ | ✘ | ✔ |