[SI-LIST] Re DDR2 DQS pins

  • From: saira shaikh <saira_pune@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Wed, 17 Jun 2009 14:10:41 +0530 (IST)

Hi
 
I am using DDR2 SODIMM of 200 pin interface(2GB) with Virtex5 and it is working 
fine only the problem is with one byte as because of DQ and DQS# (3) by mistake 
these are interchanged while routing the board on DDR2 module. EDK is used for 
DDR2 and it is not allowing in changing UCF file to swap these P and N signal. 
And if it is tried then EDK changing all constraints.
 
Has any one face this problem and solve it ?
 
Thanks in Advance 
 
Ms. Saira Shaikh
 
 
 

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