26.5.7 NVM User Configuration
The NVM user configuration resides in the Configuration Rows. Refer to the Physical Memory Map of the device for the Configuration Rows address mapping (See NVM User Row Mapping for more information).
It contains a BOOTPROT field allowing to define a write protected memory section, starting at offset zero, for a bootloader software.
| BOOTPROT [3:0] | Rows Protected by BOOTPROT | Boot Loader Size |
|---|---|---|
| 0xF(1) | None | 0 |
| 0xE | 2 | 512 Bytes |
| 0xD | 4 | 1 KB |
| 0xC | 8 | 2 KB |
| 0xB | 16 | 4 KB |
| 0xA | 32 | 8 KB |
| 0x9 | 64 | 16 KB |
| 0x8 | 128 | 32 KB |
| 0x7 | 160 | 40 KB |
| 0x6 | 192 | 48 KB |
| 0x5 | 224 | 56 KB |
| 0x4 | 256 | 64 KB |
| 0x3 | 288 | 72 KB |
| 0x2 | 320 | 80 KB |
| 0x1 | 352 | 88 KB |
| 0x0 | 384 | 96 KB |
Note:
- Default value is 0xF.