Features

• General Purpose Input and Output Pins with Individual Configuration:
  • Pull-up
  • Inverted I/O
• 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 (RMW) through dedicated toggle/clear/set registers
  • Mapping of often-used PORT registers into bit-accessible I/O memory space (virtual ports)