4 Hardware Guidelines

This section contains guidelines for designing or reviewing electrical schematics using AVR 8-bit microcontrollers. The information presented here is just a brief overview of the most common topics. For more detailed information, suitable application notes are presented where applicable.

The Hardware Guidelines covers the following topics:

  • General guidelines
  • Power supply
  • RESET
  • UPDI (Unified Program and Debug Interface)
  • Crystal Oscillators
  • External voltage references