ATUC128L4U Datasheet, ATMEL

* High-performance, Low-power 32-bit Atmel® AVR® Microcontroller
  – Compact Single-cycle RISC Instruction Set Including DSP Instructions
 &nbs.

  – Prefetch Buffer Optimizing Instruction Execution at Maximum Speed
  – 100,000 Write Cycl.

The Atmel® AVR® ATUC64/128/256L3/4U is a complete system-on-chip microcontroller based on the AVR32 UC RISC processor running at frequencies up to 50MHz. AVR32 UC is a highperformance 32-bit RISC microprocessor core, designed for cost-sensitive embed.