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AR# 35694

11.5 EDK - Flash Writer hangs intermittently


When programming a file into Flash using Flash Writer from XPS or SDK, I can see the programming percentage information in the console, such as:
Programming completed: 10.13%

Sometimes the Flash can be programmed successfully, sometimes the Flash Writer hangs.


The issue has been observed with the Flash Writer in ISE 11.5 software.

If BRAM is used as the Scratch Memory for programming the Flash, please try increasing the size of the BRAM or using an external memory.

This intermittent hanging behavior has not been seen in ISE 12.1 software.
AR# 35694
Date Created 05/14/2010
Last Updated 05/19/2012
Status Active
Type Known Issues
  • EDK - 11.5