Boot section for boot loader code
or application code
Application code section for
application code
Application data section for
application code or data storage
Signature Row for Factory-Programmed
Data:
ID for each device type
Serial number for each device
Calibration bytes for
factory-calibrated peripherals
User Row for Application Data:
Can be read and written from
software
Can be written from UPDI on locked
device
Content is kept after chip
erase
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.
