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Forum: FPGA, VHDL & Verilog Verilog FPGA Compatibility


Author: Charan Mehta (Company: Dxsign) (thematrix)
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If we have a Verilog program, can it be run on different brand FPGA 
boards (like Spartan 3 vs. Altera DE2) without any compatibility 
problems? Do we need to change or add anything at all in the project 
folder to make it run successfully on another FPGA board?

Author: Duke Scarring (Guest)
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It depends.
If you use vendor specific librarys, than you have a lot of work.
You need to check the function of vendor specific primitivs and find an 
equivalent for it on an other platform.
Without vendor specific library the probability is high, but there may 
be language constructs which are interpreted diffrent on diffrent vendor 
tools.

Duke

Author: Lothar Miller (lkmiller) (Moderator)
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Charan Mehta wrote:
> a Verilog program
Verilog is not a programming language. Its a hardware description 
language (HDL). And therefore you have a Verilog description...

> can it be run on different brand FPGA boards (like Spartan 3 vs. Altera
> DE2) without any compatibility problems?
If this description is a little bit more than basic (e.g. if it uses 
clock managers or LVDS or DDR-IO) then: No!
If it is a very basic and generic description then: Maybe yes.

: Edited by Moderator

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