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GCC Compilers for AVR® and Arm®-Based MCUs and MPUs

Toolchains for AVR® Microcontrollers (MCUs)

The AVR Toolchain is a collection of tools/libraries used to create applications for AVR microcontrollers. This collection includes compiler, assembler, linker and Standard C and math libraries.

Most of these tools are based on efforts from GNU (www.gnu.org), and some are developed by Microchip. For more information please refer to the release notes.

Key Features

  • C/C++ cross compiler
  • Assembler and linker
  • C-libraries for developing C/C++ programs
  • Binutils version: 2.44
  • AVR-LibC version: 2.2.1
  • GCC version: 15.1.0

Toolchains for Arm-Based Devices

The Arm GNU Toolchain is a collection of tools/libraries used to create applications for our Arm-based MCUs and MPUs. This collection includes compilers, assemblers, linkers and Standard C, C++ and math libraries. Most of these tools are based on efforts from GNU and GNU Tools for Arm Embedded Processors. 

Key Features

  • C/C++ cross compiler
  • Assembler and linker
  • C-libraries for developing C/C++ programs

Downloads, Documentation, and Archives

Title
Version Number
Date
AVR 8-Bit Toolchain (Windows) 4.0.0 24 Sep 2025 Download
AVR 8-Bit Toolchain (Linux) 4.0.0 24 Sep 2025 Download
AVR 8-Bit Toolchain (macOS) 4.0.0 24 Sep 2025 Download
Using Device Family Packs (DFP) with Toolchain 4.9.3 06 Jun 2019 Download
Arm GNU Toolchain Frequently Asked Questions 4.9.3 06 Jun 2019 Download
View Arm 32-bit GNU Toolchain Downloads

GCC Compilers for AVR® and Arm®-Based Devices

Title
Date
Title
AVR 8-Bit Toolchain (Windows) 12 May 2022 AVR 8-Bit Toolchain (Windows)
AVR 8-Bit Toolchain (Linux) 12 May 2022 AVR 8-Bit Toolchain (Linux)
AVR 8-Bit Toolchain (OSX) 12 May 2022 AVR 8-Bit Toolchain (OSX)
AVR 8-Bit Toolchain- Release Notes 12 May 2022 AVR 8-Bit Toolchain- Release Notes
AVR 8-bit Toolchain 3.6.2 - Linux 64-bit 17 Aug 2020 AVR 8-bit Toolchain 3.6.2 - Linux 64-bit
AVR 8-bit Toolchain 3.6.2 - Mac OS X 64-bit 17 Aug 2020 AVR 8-bit Toolchain 3.6.2 - Mac OS X 64-bit
AVR 8-bit Toolchain v3.6.2 - Windows 17 Aug 2020 AVR 8-bit Toolchain v3.6.2 - Windows
Arm 32-bit GNU Toolchain (Linux) 06 Jun 2019 Arm 32-bit GNU Toolchain (Linux)
Arm 32-bit GNU Toolchain (Windows) 06 Jun 2019 Arm 32-bit GNU Toolchain (Windows)
Arm 32-bit GNU Toolchain (OSX) 06 Jun 2019 Arm 32-bit GNU Toolchain (OSX)