arduino - Direct port manipulation gives random result: Delay necessary? - Electrical Engineering Stack Exchange
Pin Diagram of ATmega328P Microcontroller | Download Scientific Diagram
What is the pin names mapping from Arduino to the actual AVR pin mapping? I need to use the board for pure AVR programming. The Arduino board uses an ATmega328P-PU chip. -
Pin Configuration and IO Multiplexing : Arduino / ATmega328p - Arnab Kumar Das