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AT32UC3A4256 - 32-bit AVR Microcontroller

Download the AT32UC3A4256 datasheet PDF. This datasheet also covers the AT32UC3A3128 variant, as both devices belong to the same 32-bit avr microcontroller family and are provided as variant models within a single manufacturer datasheet.

General Description

The AT32UC3A3/A4 is a complete System-On-Chip microcontroller based on the AVR32 UC RISC processor running at frequencies up to 84MHz.

Key Features

  • High Performance, Low Power 32-bit Atmel® AVR® Microcontroller.
  • Compact Single-Cycle RISC Instruction Set Including DSP Instruction Set.
  • Read-Modify-Write Instructions and Atomic Bit Manipulation.
  • Performing up to 1.51DMIPS/MHz.
  • Up to 126 DMIPS Running at 84MHz from Flash (1 Wait-State).
  • Up to 63 DMIPS Running at 42MHz from Flash (0 Wait-State).
  • Memory Protection Unit.
  • Multi-Layer Bus System.
  • High-Performance Data.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AT32UC3A3128_ATMELCorporation.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription for AT32UC3A4256 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for AT32UC3A4256. For precise diagrams, and layout, please refer to the original PDF.

Features • High Performance, Low Power 32-bit Atmel® AVR® Microcontroller – Compact Single-Cycle RISC Instruction Set Including DSP Instruction Set – Read-Modify-Write In...

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C Instruction Set Including DSP Instruction Set – Read-Modify-Write Instructions and Atomic Bit Manipulation – Performing up to 1.