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Forum: FPGA, VHDL & Verilog conver bitstream file to vhdl /verilog code


Author: Osama Elsadig (Company: saffat) (osama_elsadig)
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I am currently working on an old board which have old FPGA SPRTAN which 
its not available on market on board and i dont have a source code for 
those FPGA's except for .bit
file which was downloaded through VME bus.

Currently i am redesigning the board eliminating all the PAL's on the
board with high end FPGA and also want to incorporate the obsolescence
spartan into them.But i dont have a source code except for .BIT
(Bitstream)file.

Is there any software which could convert the .bit file to VHDL/
Verilog?or even a functional block?

Any alternative suggestions to go ahead with this board redesign ?

Thank you
osama

Author: Duke Scarring (Guest)
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Osama E. wrote:
> Is there any software which could convert the .bit file to VHDL/
> Verilog?or even a functional block?
I think the FPGA vendor (Xilinx) has a tool for such task, but I never 
heard that such tool is offical availibe for customers.

> Any alternative suggestions to go ahead with this board redesign ?
Ask the designer, take a look at the development documentation, guess 
the function and redesign...

Duke

Author: Osama Elsadig (Company: saffat) (osama_elsadig)
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thanks
i will try to contact the designer

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