vertex-II configuration architecture

[sudarshan banerjee]

I have a question about Virtex-II configuration architecture. <br>
Any help/pointers would be greatly appreciated. <br>
Thanks, <br>
Sudarshan <br><br>problem: according to XAPP 151 (vertex config architecture user's guide), each CLB column in Virtex has 48 frames <br>
So, XC2V2000 (56 rows 48 columns), should have at least <br>
48 * 48 = 2244 frames <br>
however, Virtex-II platform user's guide (v 1.8, page 309) <br>
says there are only 1456 frames. <br><br>So, it seems Virtex-II configuration architecture is different <br>
from Virtex configuration architecture. <br>
Unfortunately I have so far not been able to locate any document specific to Virtex-II configuration architecture

 

[John Williams]

Hi Sudarshan,

sudarshan banerjee wrote:

So, it seems Virtex-II configuration architecture is different
from Virtex configuration architecture.
Unfortunately I have so far not been able to locate any document
specific to Virtex-II configuration architecture

I think the Virtex2 Users Guide has a chapter dedicated to the
configuration architecture. It should give you all the equations and
numbers about frames and so on. Grab it from the Xilinx website.

Regards,

John