SFIOR – Special Function IO Register
PORTB – The Port B Data Register
DDRB – The Port B Data Direction Register
PINB – The Port B Input Pins Address
PORTC – The Port C Data Register
DDRC – The Port C Data Direction Register
PINC – The Port C Input Pins Address
PORTD – The Port D Data Register
DDRD – The Port D Data Direction Register
PIND – The Port D Input Pins Address
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.
