| Field | Offset | Width | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|---|
| SB | 0 | 1 | ✘ | ✔ | ✘ |
| ADDR | 1 | 1 | ✘ | ✔ | ✘ |
| BTF | 2 | 1 | ✘ | ✔ | ✘ |
| ADD10 | 3 | 1 | ✘ | ✔ | ✘ |
| STOPF | 4 | 1 | ✘ | ✔ | ✘ |
| RxNE | 6 | 1 | ✘ | ✔ | ✘ |
| TxE | 7 | 1 | ✘ | ✔ | ✘ |
| BERR | 8 | 1 | ✘ | ✔ | ✘ |
| ARLO | 9 | 1 | ✘ | ✔ | ✘ |
| AF | 10 | 1 | ✘ | ✔ | ✘ |
| OVR | 11 | 1 | ✘ | ✔ | ✘ |
| PECERR | 12 | 1 | ✘ | ✔ | ✘ |
| TIMEOUT | 14 | 1 | ✘ | ✔ | ✘ |
| SMBALERT | 15 | 1 | ✘ | ✔ | ✘ |