| Field | Offset | Width | STM32L412 | STM32L4P5 | STM32L4R5 | STM32L4R9 | STM32L4x1 | STM32L4x2 | STM32L4x3 | STM32L4x5 | STM32L4x6 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TOCAL | 0 | 3 | ✘ | ✔ | ✔ | ✔ | ✘ | ✘ | ✘ | ✘ | ✔ |
| PHYSEL | 6 | 1 | ✘ | ✔ | ✔ | ✔ | ✘ | ✘ | ✘ | ✘ | ✔ |
| SRPCAP | 8 | 1 | ✘ | ✔ | ✔ | ✔ | ✘ | ✘ | ✘ | ✘ | ✔ |
| HNPCAP | 9 | 1 | ✘ | ✔ | ✔ | ✔ | ✘ | ✘ | ✘ | ✘ | ✔ |
| TRDT | 10 | 4 | ✘ | ✔ | ✔ | ✔ | ✘ | ✘ | ✘ | ✘ | ✔ |
| FHMOD | 29 | 1 | ✘ | ✔ | ✔ | ✔ | ✘ | ✘ | ✘ | ✘ | ✔ |
| FDMOD | 30 | 1 | ✘ | ✔ | ✔ | ✔ | ✘ | ✘ | ✘ | ✘ | ✔ |
| CTXPKT | 31 | 1 | ✘ | ✘ | ✘ | ✘ | ✘ | ✘ | ✘ | ✘ | ✔ |