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)