| Field | Offset | Width | STM32F301 | STM32F302 | STM32F303 | STM32F373 | STM32F3x4 |
|---|---|---|---|---|---|---|---|
| CKPSC | 0 | 3 | ✘ | ✘ | ✘ | ✘ | ✔ |
| CONT | 3 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| RETRIG | 4 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| HALF | 5 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| PSHPLL | 6 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| SYNCRST | 10 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| SYNCSTRT | 11 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| DELCMP2 | 12 | 2 | ✘ | ✘ | ✘ | ✘ | ✔ |
| DELCMP4 | 14 | 2 | ✘ | ✘ | ✘ | ✘ | ✔ |
| TREPU | 17 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| TRSTU | 18 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| TBU | 20 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| TCU | 21 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| TDU | 22 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| TEU | 23 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| MSTU | 24 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| DACSYNC | 25 | 2 | ✘ | ✘ | ✘ | ✘ | ✔ |
| PREEN | 27 | 1 | ✘ | ✘ | ✘ | ✘ | ✔ |
| UPDGAT | 28 | 4 | ✘ | ✘ | ✘ | ✘ | ✔ |