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AR# 33843

11.x ChipScope IBERT - Spartan-6 FPGA sweep test does not change sampling point

Description

There is an issue with IBERT 2.0 for the Spartan-6 FPGA sweep test. The sampling point is not moved during the test; therefore, whatever point the channel was using when the sweep test starts seems to be used regardless of the width of the eye sweep.

Solution

To work around this issue, set the sampling point by hand using the slider and observe the BER to determine the optimum value. This issue is scheduled to be resolved in the ChipScope tool (12.1).

Linked Answer Records

Associated Answer Records

Answer Number Answer Title Version Found Version Resolved
32651 Spartan-6 - ISE Software 11 Update Known Issues related to Spartan-6 FPGA N/A N/A
AR# 33843
Date Created 11/18/2009
Last Updated 12/15/2012
Status Active
Type General Article