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Spartan-6 FPGA Block RAM - Data2Mem does not support 9Kb block RAM

AR# 34714

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Topic Block RAM
Last Updated 01/14/2011
Status Active
Description

Data2Mem does not support use on 9K block RAM in Spartan-6 devices.

Solution


Issue Description

Data2Mem does not currently support the RAMB8 block in Spartan-6 devices. If Data2Mem is used on the RAMB8 block, it results in unknown behavior. 

Affected Components
RAMB8BWER in any mode when used with Data2Mem.

Software Behavior
  • ISE Design Suite 11.5 and earlier - Data2Mem is not supported for use with RAMB8BWER.
  • ISE Design Suite 12.1 and later - Data2Mem is not supported for use with RAMB8BWER.
  • A fix is still under investigation for a future revision of ISE Design Suite software.
Workaround

There is no workaround at this time. Please contact Xilinx Technical Support for further assistance.
Applies To

Devices

  • Spartan-6 LX
  • Spartan-6 LXT

Design Tools

  • ISE Design Suite - 11.1
  • ISE Design Suite - 11.2
  • ISE Design Suite - 11.3
  • ISE Design Suite - 11.4
  • ISE Design Suite - 11.5
  • ISE Design Suite - 12.1
  • ISE Design Suite - 12.2
  • ISE Design Suite - 12.3
  • ISE Design Suite - 12.4
 
 
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