MIG v3.1, Virtex-6 QDRII+ - Issues exist in calibration logic that require an updated phy_read_stage1_cal.v module

AR#	32925	Search For Another Answer
Topic	MIG
Last Updated	06/13/2011
Status	Active

Description

There are numerous fixes to the MIG 3.1 QDRII+ Virtex-6 calibration logic that were released in MIG 3.2. In particular, issues were seen during simulation with a Cypress memory model. However, updating the calibration module is recommended for all users.

Solution

Please download the udpated phy_read_stage1_cal.v module from the following location and replace with the file in the generated MIG design: 

http://www.xilinx.com/txpatches/pub/applications/misc/ar32925.zip

These calibration issues were resolved in MIG 3.2.