| Field | Offset | Width | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|---|
| FWDIS | 0 | 1 | ✘ | ✘ | ✔ |
| BOOSTEN | 8 | 1 | ✘ | ✘ | ✔ |
| I2C_PB6_FMP | 16 | 1 | ✘ | ✘ | ✔ |
| I2C_PB7_FMP | 17 | 1 | ✘ | ✘ | ✔ |
| I2C_PB8_FMP | 18 | 1 | ✘ | ✘ | ✔ |
| I2C_PB9_FMP | 19 | 1 | ✘ | ✘ | ✔ |
| I2C1_FMP | 20 | 1 | ✘ | ✘ | ✔ |
| I2C2_FMP | 21 | 1 | ✘ | ✘ | ✔ |
| I2C3_FMP | 22 | 1 | ✘ | ✘ | ✔ |
| FPU_IE | 26 | 6 | ✘ | ✘ | ✔ |