AR# 34714


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


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


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.

There is no workaround at this time.

Please contact Xilinx Technical Support for further assistance.

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
32651 Spartan-6 - ISE Software 11 Update Known Issues related to Spartan-6 FPGA N/A N/A

Associated Answer Records

AR# 34714
Date 10/22/2014
Status Active
Type General Article
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