10.2.4.1 SAM L10 Boot Configuration Row
| Bit Pos. | Name | Usage | 
                             Factory Setting  | 
                             Related Peripheral Register  | 
|---|---|---|---|---|
| 31:0 | Reserved | Reserved | Reserved | Reserved | 
| 39:32 | BOOTPROT | Boot Protection size = BOOTPROT*0x100 | 0x00 | Boot ROM | 
| 95:40 | Reserved | Reserved | Reserved | Reserved | 
| 127:96 | Reserved | Reserved | Reserved | Reserved | 
| 511:128 | Reserved | Reserved | Reserved | Reserved | 
| 639:512 | CRCKEY | CRC Key | All '1's | Boot ROM | 
| 2047:640 | Reserved | Reserved | Reserved | Reserved | 
| Offset | Bit Pos.  | Name | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 0x00-0x03 | 31:0 | Reserved | |||||||
| 0x04 | 39:32 | BOOTPROT | |||||||
| 0x05-0x0B | 95:40 | Reserved | |||||||
| 0x0C-0x0F | 127:96 | Reserved | |||||||
| 0x10-0x3F | 511:128 | Reserved | |||||||
| 0x40-0x4F | 639:512 | CRCKEY | |||||||
| 0x50-0xFF | 2047:640 | Reserved | |||||||
