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525 Views
Registered: ‎03-19-2019

virtex 7 and the axi inteface

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hi guys this is my first time on the forum and developing with xilinx. I was wondering with the zynq family some of the SOCs aren't as powerful as some of the single board computers i have used with quad core arm processors. I was wondering if i connect the axi interface of the virtex 7 fpga to a faster processor of my choice is that the same as how the architecture of  a Zynq fpga family basicly works thanks anthony

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Registered: ‎03-19-2019

ok thanks for your help

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u4223374
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Registered: ‎04-26-2015

First, the Zynq UltraScale+ has a quad-core ARM processor. If that's what you need, it's going to be a whole lot easier than a two-chip solution.

 

I'm not sure you could actually implement something like what the Zynq offers. At the very least you'll be looking at hundreds of pins and PCB traces between the two devices - or thousands of pins to match the UltraScale+ chips. Some of the ports provide cache coherent access, which is only possible if the host processor supports it. All the HP AXI Slave ports have direct access to the CPU's memory, which again may not be supported.

I think it would make more sense to use the Virtex 7 as an "add-in card" using PCIe for communication. This is a well-established system; most of Xilinx's development boards can be plugged into a PCIe slot.

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Registered: ‎03-19-2019

ok thanks for your help

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