05-16-2014 08:24 AM - edited 05-16-2014 08:31 AM
JESD204B IP is not available for Spartan6 devices.
It is available only for virtex6 ,7 series and Ultrascale devices.
05-16-2014 08:35 AM
Xilinx proovided JESD Ip core do not support Spartan-6, but you may check for third party IPs, please visit below link and contact the vendor.
Hope this helps
05-26-2014 03:53 AM
I would recommend to try the latest device for JESD204b design. For low cost solution you can use Artix-7 device
Here is the link for JESD204 High Speed Interface solutions and related documentation