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  3. AR# 32925: MIG v3.1, Virtex-6 QDRII+ - Issues exist in calibration logic that require an updated phy_read_stage1_cal.v module

AR# 32925

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

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.

AR# 32925
Date 05/21/2014
Status Archive
Type General Article
Devices
  • Virtex-6 CXT
  • Virtex-6 HXT
  • Virtex-6 LX
  • More
  • Virtex-6 LXT
  • Virtex-6 SXT
  • Less
IP
  • MIG