| Field | Offset | Width | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|---|
| PE | 0 | 1 | ✘ | ✘ | ✔ |
| FE | 1 | 1 | ✘ | ✘ | ✔ |
| NF | 2 | 1 | ✘ | ✘ | ✔ |
| ORE | 3 | 1 | ✘ | ✘ | ✔ |
| IDLE | 4 | 1 | ✘ | ✘ | ✔ |
| RXNE | 5 | 1 | ✘ | ✘ | ✔ |
| TC | 6 | 1 | ✘ | ✘ | ✔ |
| TXE | 7 | 1 | ✘ | ✘ | ✔ |
| CTSIF | 9 | 1 | ✘ | ✘ | ✔ |
| CTS | 10 | 1 | ✘ | ✘ | ✔ |
| BUSY | 16 | 1 | ✘ | ✘ | ✔ |
| CMF | 17 | 1 | ✘ | ✘ | ✔ |
| SBKF | 18 | 1 | ✘ | ✘ | ✔ |
| RWU | 19 | 1 | ✘ | ✘ | ✔ |
| WUF | 20 | 1 | ✘ | ✘ | ✔ |
| TEACK | 21 | 1 | ✘ | ✘ | ✔ |
| REACK | 22 | 1 | ✘ | ✘ | ✔ |