Always good to keep track of Errata items in case you are doing new development..for example a new errata item was just created specifying that the I2C interface must be run below 90KHz...
Master Summary of all Erratas:
http://www.xilinx.com/support/answers/47916.html
Production Version (PDF)::
* http://www.xilinx.com/support/documenta ... /en247.pdf
Engineering Version (PDF): (Kickstarter+pre-orders):
* http://www.xilinx.com/support/documenta ... /en208.pdf
Andreas