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Aldec is committed to advancing the education of the engineers of tomorrow by offering internships to high-performing university students. This series of blogs was authored by our bright team of Aldec Interns. Learn how Aldec provides access to world-class tools, resources and training through its … More »

Introduction to AXI Protocol: Understanding the AXI interface

August 17th, 2016 by Aldec Interns

Introduction-to-AXI-ProtocolToday’s article is authored by Brandon Wade, Aldec FAE Intern. Brandon is currently working on his B.S. in computer engineering from the University of Nevada, Las Vegas and is set to graduate in 2017. His interests include processor architectures, and the logic of these hardware designs. As a field application engineer intern, Brandon has worked extensively with Aldec’s own simulation software such as Active-HDL and Riviera-PRO. 

When part of a team, your group can become more capable than a single individual, but only if your team can work together and communicate effectively. Having members of a group talk over each other leads to nothing but a cacophony, and nothing gets done. For this reason protocols need to be established, such as letting others speak without interruption, or facing those you are addressing. The same is necessary with electronics, especially with system on chip (SoC) designs.

The protocol used by many SoC today is AXI, or Advanced eXtensible Interface, and is part of the ARM Advanced Microcontroller Bus Architecture (AMBA) specification. It is especially prevalent in Xilinx’s Zynq devices, providing the interface between the processing system and programmable logic sections of the chip.

My first introduction with the interface was in a tutorial I was following that was to be implemented on Aldec’s own development board based off the Zynq XC7Z030, the TySOM™ board. The project utilized several of the board’s peripheral…


If you’d like to learn more, contact us at +1 (702) 990-4400 or Aldec also offers many TySOM Embedded Development Kit Resources including tutorials, demo videos and white papers.


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