AR# 56264


14.x iMPACT - Spartan-6 - Erase operation for Indirect Programming of the AT45DB642D fails for addresses higher than 0x400000


When SPI Indirect Programming of a AT45DB642D connected to a Spartan-6 device, failures can be seen if the MCS address range spans above 0x400000 . Sectors above this address are not reliably erased and this will lead to incorrect programming and Verify issues.


There is no reliable workaround for this problem. Multiple Erase attempts may work around the issue. if you need assistance with this issue, please contact Xilinx Technical Support via webcase:

AR# 56264
Date 06/06/2013
Status Active
Type General Article
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