9.1 Features

  • 8-Bit, High-Performance AVR RISC CPU:
    • 135 instructions
    • Hardware multiplier
  • 32 8-Bit Registers Directly Connected to the Arithmetic Logic Unit (ALU)
  • Stack in RAM
  • Stack Pointer Accessible in I/O Memory Space
  • Direct Addressing of up to 64 KB of Unified Memory:
    • Entire Flash accessible with all LD/ST instructions
  • True 16/24-Bit Access to 16/24-Bit I/O Registers
  • Efficient Support for 8-, 16-, and 32-Bit Arithmetic
  • Configuration Change Protection for System Critical Features