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Problem with FPGA Parallel JTAG

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pavan.emb

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Hi all,


I am working with xilinx XCS3S400. for this I want to load the program in the PROM, which was working previously.



But now the problem is "ERROR:iMPACT-583-'1', device idcode not matched........"


As I am new to the FPGA world,

I googled the ERROR. I found in some post that "slowing down the speed of the port can solve the problem".


So, if any body has a solution for this kindly let me resolve the problem.

1.How to slow down the speed
2.what was the actual problem.

Thanks all.
 

There should be some settings in the "impact" software interface.
 
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    buliga

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try changing the baud rate in the settings ... can i know what programmer u r using? check if the setting are set to right one....

cheers

Hope this helps

---------- Post added at 22:16 ---------- Previous post was at 22:10 ----------

check that link
 
Let me know the settings if you know it.



Thanks.

---------- Post added at 06:33 ---------- Previous post was at 06:29 ----------

Hi amnandu,

I am using the Xilinx Parallel jtag.

After opening the iMPACT and when I am trying to build the chain.

It is showing that ERROR.

Also to make sure that the HARDWARE is working fine, I traced out the signals coming from the parallel port onto the jtag. the buffers in the board are working fine.

Kindly let me know is there any other possibility to debug the hardware.

Thanks all..
 

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