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Message from discussion FPGA connection

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Date: Thu, 25 Oct 2012 09:01:01 -0700 (PDT)
From: matteo.sti...@gmail.com
To: pandaboard@googlegroups.com
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Subject: Re: [pandaboard] Re: FPGA connection
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> Yes.  There are many FPGA comes with USB interface. So you can simply 
> interconnect it with Pandaboard.


No need for new driver? How the Pandaboard "see" the FPGA? I mean it is 
like an extra memory and this way data can be sent form Pandaboard to the 
FPGA?

Major issue with USB is speed, when I 
> tried with entry level Spartan board, unable to go beyond 25MBps 
> bi-directional. YMMV. 
>
> If you are looking higher speed, GPMC is best one. Unfortunately in 
> panda, the A&D  lines are muxed and it may impose some limit on the 
> speed. 
>

What's the maximum speed that can be reached using GPMC? 
One more question. I'm planning to use a xilinx board, but I can't find any 
GPMC interface or something similar. Maybe this interface has a different 
name in the datasheet?

>
> Bye :) 
> -- 
> Bharathi Subramanian 
>

Thank you,

matteo 

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<br><blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;">Yes. &nbsp;There are many FPGA comes with USB interface. So you can simply
<br>interconnect it with Pandaboard.</blockquote><div><br></div><div>No need for new driver? How the Pandaboard "see" the FPGA? I mean it is like an extra memory and this way data can be sent form Pandaboard to the FPGA?</div><div><br></div><blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;"> Major issue with USB is speed, when I
<br>tried with entry level Spartan board, unable to go beyond 25MBps
<br>bi-directional. YMMV.
<br>
<br>If you are looking higher speed, GPMC is best one. Unfortunately in
<br>panda, the A&amp;D &nbsp;lines are muxed and it may impose some limit on the
<br>speed.
<br></blockquote><div><br></div><div>What's the maximum speed that can be reached using GPMC?&nbsp;</div><div>One more question. I'm planning to use a xilinx board, but I can't find any GPMC interface or something similar. Maybe this interface has a different name in the datasheet?</div><blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;">
<br>Bye :)
<br>-- 
<br>Bharathi Subramanian
<br></blockquote><div><br></div><div>Thank you,</div><div><br></div><div>matteo&nbsp;</div>
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