SAMD Flash Overview
Revision as of 15:21, 9 March 2018 by E.burkowski (talk | contribs)
Applicable for SAMD21x18 with 256k FLASH
EFU - External Flash Update
| address | size | Description |
|---|---|---|
| 0x00000-0x01FFF | 0x2000 (8k) | Arduino Bootloader |
| 0x02000-0x05FFF | 0x3FFF (16k) | 2nd stage update bootloader, last 8 bytes (0x05FF8-0x05FFF) Bootloader EEPROM |
| 0x06000-0x3DFFF | 0x38000 (224k) | Sketch |
| 0x3E000-0x3FFFF | 0x2000 (8k) | 8k virtual "flash EEPROM" |
IFU - Internal Flash Update
| address | size | Description |
|---|---|---|
| 0x00000-0x01FFF | 0x2000 (8k) | Arduino Bootloader |
| 0x02000-0x05FFF | 0x3FFF (16k) | 2nd stage update bootloader, last 8 bytes (0x05FF8-0x05FFF) Bootloader EEPROM |
| 0x06000-0x21FFF | 0x1C000 (112k) | Sketch |
| 0x22000-0x3DFFF | 0x1C000 (112k) | Update |
| 0x3E000-0x3FFFF | 0x2000 (8k) | 8k virtual "flash EEPROM" |