| Field | Offset | Width | STM32L412 | STM32L4P5 | STM32L4R5 | STM32L4R9 | STM32L4x1 | STM32L4x2 | STM32L4x3 | STM32L4x5 | STM32L4x6 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| HSTXDCL | 0 | 2 | ✘ | ✘ | ✘ | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ |
| HSTXDLL | 2 | 2 | ✘ | ✘ | ✘ | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ |
| LPSRCL | 6 | 2 | ✘ | ✘ | ✘ | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ |
| LPSRDL | 8 | 2 | ✘ | ✘ | ✘ | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ |
| SDCC | 12 | 1 | ✘ | ✘ | ✘ | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ |
| HSTXSRCCL | 16 | 2 | ✘ | ✘ | ✘ | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ |
| HSTXSRCDL | 18 | 2 | ✘ | ✘ | ✘ | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ |
| FLPRXLPM | 22 | 1 | ✘ | ✘ | ✘ | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ |
| LPRXFT | 25 | 2 | ✘ | ✘ | ✘ | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ |