| Field | Offset | Width | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|---|
| DFEN | 0 | 1 | ✘ | ✘ | ✔ |
| JSWSTART | 1 | 1 | ✘ | ✘ | ✔ |
| JSYNC | 3 | 1 | ✘ | ✘ | ✔ |
| JSCAN | 4 | 1 | ✘ | ✘ | ✔ |
| JDMAEN | 5 | 1 | ✘ | ✘ | ✔ |
| JEXTSEL | 8 | 3 | ✘ | ✘ | ✔ |
| JEXTEN | 13 | 2 | ✘ | ✘ | ✔ |
| RSWSTART | 17 | 1 | ✘ | ✘ | ✔ |
| RCONT | 18 | 1 | ✘ | ✘ | ✔ |
| RSYNC | 19 | 1 | ✘ | ✘ | ✔ |
| RDMAEN | 21 | 1 | ✘ | ✘ | ✔ |
| RCH | 24 | 3 | ✘ | ✘ | ✔ |
| FAST | 29 | 1 | ✘ | ✘ | ✔ |
| AWFSEL | 30 | 1 | ✘ | ✘ | ✔ |