| Field | Offset | Width | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|---|
| GPIOAEN | 0 | 1 | ✘ | ✘ | ✔ |
| GPIOBEN | 1 | 1 | ✘ | ✘ | ✔ |
| GPIOCEN | 2 | 1 | ✘ | ✘ | ✔ |
| GPIODEN | 3 | 1 | ✘ | ✘ | ✔ |
| GPIOEEN | 4 | 1 | ✘ | ✘ | ✔ |
| GPIOFEN | 5 | 1 | ✘ | ✘ | ✔ |
| GPIOGEN | 6 | 1 | ✘ | ✘ | ✔ |
| GPIOHEN | 7 | 1 | ✘ | ✘ | ✔ |
| GPIOIEN | 8 | 1 | ✘ | ✘ | ✔ |
| OTGFSEN | 12 | 1 | ✘ | ✘ | ✔ |
| ADCEN | 13 | 1 | ✘ | ✘ | ✔ |
| DCMIEN | 14 | 1 | ✘ | ✘ | ✔ |
| AESEN | 16 | 1 | ✘ | ✘ | ✔ |
| HASH1EN | 17 | 1 | ✘ | ✘ | ✔ |
| RNGEN | 18 | 1 | ✘ | ✘ | ✔ |