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AR# 24802

LogiCORE FIFO Generator v3.3 - "Estimated FIFO usage" feature in the last page of the GUI is not accurate when ECC feature is enabled

Description

The reported number of FIFO used by the core given in the last page of the GUI is not accurate when ECC feature is enabled. This feature is only applicable to Virtex-5 Common or Independent Clock Built-in FIFO configurations.

Solution

Use the following formula instead to estimate the number of FIFO used: 

 

roundup(width/64) x roundup(depth/512)

AR# 24802
Date Created 09/04/2007
Last Updated 05/21/2014
Status Archive
Type General Article