AVR

Hardware

ATmega328p Data Sheet (pdf)

Arduino

Simulation of Blink

5 Ways to Blink

AarduinoCore AVR Source

C

Getting Started

Assembly / GCC

Instruction Set

Inline Assembly

  asm(R"(
    mov %[result], %[val]
    inc %[result]
    BREAK
  )"
    : /* write */ [result]"=r"(value)
    : /* read */ [val]"r"(value)
  );