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need a tool to open .bit file

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lahrach

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hi friends,

is there any software to open .bit file

thanks;
 

Why yes. These tools are quite expensive too. They are called "lawyers".

Alternative answer: Why do you think you need to peek inside the .bit file? You know, the bitfile that your chosen fpga vendor (who generally has a bigger legal department than the average user) doesn't like you to reverse engineer.

Is this in the same project that you need ICAP for?
 

I don't know about .bit files, but I can look at .mcs files in a common text editor. Woud that help?
 

Just open it with some bit-wise text editor (like ultraedit). The info inside corresponds directly with the configuration frames detailed in Virtex-5 Configuration Guide (I always reply you with the same phrase :D)
 
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I don't really know but it seems so.
 

aethor said:
Just open it with some bit-wise text editor (like ultraedit). The info inside corresponds directly with the configuration frames detailed in Virtex-5 Configuration Guide (I always reply you with the same phrase :D)
Click to expand...

Indeed, and with a lot (and I mean A LOT) of energy and time (especially) you might be able to interprete, what's inside.
Just some indicators:
a bit file for an average FPGA has about 10E6 bits ....

good luck
and have fun
 

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