| Field | Offset | Width | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|---|
| DIFSEL0 | 0 | 1 | ✘ | ✘ | ✔ |
| DIFSEL1 | 1 | 1 | ✘ | ✘ | ✔ |
| DIFSEL2 | 2 | 1 | ✘ | ✘ | ✔ |
| DIFSEL3 | 3 | 1 | ✘ | ✘ | ✔ |
| DIFSEL4 | 4 | 1 | ✘ | ✘ | ✔ |
| DIFSEL5 | 5 | 1 | ✘ | ✘ | ✔ |
| DIFSEL6 | 6 | 1 | ✘ | ✘ | ✔ |
| DIFSEL7 | 7 | 1 | ✘ | ✘ | ✔ |
| DIFSEL8 | 8 | 1 | ✘ | ✘ | ✔ |
| DIFSEL9 | 9 | 1 | ✘ | ✘ | ✔ |
| DIFSEL10 | 10 | 1 | ✘ | ✘ | ✔ |
| DIFSEL11 | 11 | 1 | ✘ | ✘ | ✔ |
| DIFSEL12 | 12 | 1 | ✘ | ✘ | ✔ |
| DIFSEL13 | 13 | 1 | ✘ | ✘ | ✔ |
| DIFSEL14 | 14 | 1 | ✘ | ✘ | ✔ |
| DIFSEL15 | 15 | 1 | ✘ | ✘ | ✔ |
| DIFSEL16 | 16 | 1 | ✘ | ✘ | ✔ |
| DIFSEL17 | 17 | 1 | ✘ | ✘ | ✔ |
| DIFSEL18 | 18 | 1 | ✘ | ✘ | ✔ |