| Field | Offset | Width | STM32L100 | STM32L151 | STM32L152 | STM32L162 |
|---|---|---|---|---|---|---|
| EIE | 0 | 1 | ✔ | ✘ | ✘ | ✘ |
| IREN | 1 | 1 | ✔ | ✘ | ✘ | ✘ |
| IRLP | 2 | 1 | ✔ | ✘ | ✘ | ✘ |
| HDSEL | 3 | 1 | ✔ | ✘ | ✘ | ✘ |
| NACK | 4 | 1 | ✔ | ✘ | ✘ | ✘ |
| SCEN | 5 | 1 | ✔ | ✘ | ✘ | ✘ |
| DMAR | 6 | 1 | ✔ | ✘ | ✘ | ✘ |
| DMAT | 7 | 1 | ✔ | ✘ | ✘ | ✘ |
| RTSE | 8 | 1 | ✔ | ✘ | ✘ | ✘ |
| CTSE | 9 | 1 | ✔ | ✘ | ✘ | ✘ |
| CTSIE | 10 | 1 | ✔ | ✘ | ✘ | ✘ |
| ONEBIT | 11 | 1 | ✔ | ✘ | ✘ | ✘ |