Spartan® Family FPGAs

[mayuriprajapati@gmail.com]

i have implementing my thesis work on xillinx but during coding i am getting this error like

ERROR:Xst:899 - "dc.v" line 210: The logic for <led> does not match a known FF or Latch template. The description style you are using to describe a register or latch is not supported in the current software release.

any how i m not able to remov this error im using web version ISE 13.2.pls help me on mayuriprajapati@gmail.com

[gszakacs]

If you want help on this, I would suggest posting the portion of the code that includes

line 210, with line 210 clearly marked.

In general, this sort of error happens when you don't follow the standard templates

for creating a flip-flop or latch.  This can include processes with multiple edge dependencies

or multiple event waits.

-- Gabor

[bassman59]

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mayuriprajapati@gmail.com wrote:

i have implementing my thesis work on xillinx but during coding i am getting this error like

ERROR:Xst:899 - "dc.v" line 210: The logic for <led> does not match a known FF or Latch template. The description style you are using to describe a register or latch is not supported in the current software release.

any how i m not able to remov this error im using web version ISE 13.2.pls help me on mayuriprajapati@gmail.com

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Perhaps showing us the relevant code would help, seeing as how the error message is pretty explicit about your code being the problem.