Features
- 8-bit, high-performance AVR RISC CPU
- 135 instructions
- Hardware multiplier
- 32 8-bit registers directly connected
to the ALU
- Stack in RAM
- Stack Pointer accessible in I/O memory
space
- Direct addressing of up to 64 KB of
unified memory
- Efficient support for 8-, 16-, and 32-bit arithmetic
- Configuration Change Protection for
system-critical features
- Native On-Chip Debugging (OCD)
support
- Two hardware breakpoints
- Change of flow, interrupt, and
software breakpoints
- Run-time readout of Stack Pointer
(SP) register, Program Counter (PC), and Status register
- Register file read- and writable
in stopped mode