| Field | Offset | Width | STM32L0x3 | STM32L162 | STM32L4x6 |
|---|---|---|---|---|---|
| RDP | 0 | 8 | ✘ | ✘ | ✔ |
| BOR_LEV | 8 | 3 | ✘ | ✘ | ✔ |
| nRST_STOP | 12 | 1 | ✘ | ✘ | ✔ |
| nRST_STDBY | 13 | 1 | ✘ | ✘ | ✔ |
| IDWG_SW | 16 | 1 | ✘ | ✘ | ✔ |
| IWDG_STOP | 17 | 1 | ✘ | ✘ | ✔ |
| IWDG_STDBY | 18 | 1 | ✘ | ✘ | ✔ |
| WWDG_SW | 19 | 1 | ✘ | ✘ | ✔ |
| BFB2 | 20 | 1 | ✘ | ✘ | ✔ |
| DUALBANK | 21 | 1 | ✘ | ✘ | ✔ |
| nBOOT1 | 23 | 1 | ✘ | ✘ | ✔ |
| SRAM2_PE | 24 | 1 | ✘ | ✘ | ✔ |
| SRAM2_RST | 25 | 1 | ✘ | ✘ | ✔ |
| nSWBOOT0 | 26 | 1 | ✘ | ✘ | ✔ |
| nBOOT0 | 27 | 1 | ✘ | ✘ | ✔ |