32.2 Features

  • Selectable input and output configuration for each individual pin
  • Software-controlled multiplexing of peripheral functions on I/O pins
  • Flexible pin configuration through a dedicated Pin Configuration register
  • Configurable output driver and pull settings:
    • Totem-pole (push-pull)
    • Pull configuration
    • Driver strength
  • Configurable input buffer and pull settings:
    • Internal pull-up or pull-down
    • Input sampling criteria
    • Input buffer can be disabled if not needed for lower power consumption
  • Input event:
    • Up to four input event pins for each PORT group
    • SET/CLEAR/TOGGLE event actions for each event input on output value of a pin
    • Can be output to pin
  • Selectable secured or non-secured attribution for each individual pin (SAM L11)