9.1 Features

  • Unified Memory
  • In-System Programmable
  • Self-Programming and Boot Loader Support
  • Configurable Sections for Write Protection:
    • 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