17.1 Features

  • General Purpose Input and Output Pins with Individual Configuration
  • Output Driver with Configurable Inverted I/O and Pullup
  • Input with Interrupts and Events:
    • Sense both edges
    • Sense rising edges
    • Sense falling edges
    • Sense low level
  • Asynchronous Pin Change Sensing That Can Wake the Device From all Sleep Modes
  • Efficient and Safe Access to Port Pins
    • Hardware read-modify-write through dedicated toggle/clear/set registers
    • Mapping of often-used PORT registers into bit-accessible I/O memory space (virtual ports)