25.1 Features

  • Up to 16 External Interrupt Pins (EXTINTn), Plus One Non-Maskable Interrupt Pin (NMI)
  • Dedicated, Individually Maskable Interrupt for Each Pin
  • Interrupt on Rising, Falling, or Both Edges
  • Synchronous or Asynchronous Edge Detection Mode
  • Interrupt on High or Low Levels
  • Asynchronous Interrupts for Sleep Modes Without Clock
  • Filtering of External Pins
  • Event Generation From EXTINTn