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:
  • 32 bytes in size
  • Can be read and written from software
  • Can be written from UPDI on locked device
  • Content is kept after chip erase