16.1 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)