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AR# 32925: MIG v3.1, Virtex-6 QDRII+ - Issues exist in calibration logic that require an updated phy_read_stage1_cal.v module
MIG v3.1, Virtex-6 QDRII+ - Issues exist in calibration logic that require an updated phy_read_stage1_cal.v module
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.
Please download the udpated phy_read_stage1_cal.v module from the following location and replace with the file in the generated MIG design: