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Place and Route Hard Macros
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10-29-2009 04:25 AM
Hello everybody,
I have an error in the placement process,
Place:346 - The components related to Macro Instance <CRYPTO/LxorR/g12> of the Macro Definition <XOR_STTL> can not be placed in the required relative placement form
The following components are part of this structure:
SLICEL CRYPTO/LxorR/CRYPTO/LxorR/g12/slice1, locked to site SLICE_X39Y122
SLICEL CRYPTO/LxorR/CRYPTO/LxorR/g12/slice2
SLICEM CRYPTO/LxorR/CRYPTO/LxorR/g12/slice3
SLICEM CRYPTO/LxorR/CRYPTO/LxorR/g12/slice4
SLICEL CRYPTO/LxorR/CRYPTO/LxorR/g12/slice5
SLICEL CRYPTO/LxorR/CRYPTO/LxorR/g12/slice6
The reason for this issue is the following:
Some of the logic associated with this structure is locked. This should cause the rest of the logic to be locked.A problem was found at site SLICE_X39Y120 where we must place SLICEM CRYPTO/LxorR/CRYPTO/LxorR/g12/slice3 in order to satisfy the relative placement requirements of this logic. SLICEL CRYPTO/sboxes/sb7/CRYPTO/sboxes/sb7/g16/slice0 appears to already be placed there which makes this design unplaceable.
Someone have an idea ?
Thanks
Board : Spartan3E-xc3s1600E
Xilinx ISE 11.2 and 9.2











