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ATUC128L4U Datasheet 32-bit Atmel AVR Microcontroller

Manufacturer: Atmel (now Microchip Technology)

Download the ATUC128L4U datasheet PDF. This datasheet also includes the ATUC256L3U variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ATUC256L3U-ATMEL.pdf) that lists specifications for multiple related part numbers.

Key Features

  • High-performance, Low-power 32-bit Atmel® AVR® Microcontroller.
  • Compact Single-cycle RISC Instruction Set Including DSP Instructions.
  • Read-modify-write Instructions and Atomic Bit Manipulation.
  • Performance.
  • Up to 64DMIPS Running at 50MHz from Flash (1 Flash Wait State).
  • Up to 36DMIPS Running at 25MHz from Flash (0 Flash Wait State).
  • Memory Protection Unit (MPU).
  • Secure Access Unit (SAU) providing User-defined Peripheral Pro.