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AR# 22401

BitGen, Spartan-3E - BLVDS output does not work correctly


I am using BLVDS in a Spartan-3E, and the output does not appear to drive. The output always appears to be tri-stated when the driver is enabled. However, the input works correctly.


This problem has been fixed in the latest 8.1i Service Pack available at:

The first service pack containing the fix is 8.1i Service Pack 1.

AR# 22401
Date 12/15/2012
Status Active
Type General Article
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