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Visitor
Visitor
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Registered: ‎02-12-2019

Library Issue with Xilinx ISe 9.2i

Hello everyone.

I am facing a problem with Xilinx ISE 9.2i and that problem lays in not recognizing an unsigned type, when I write an unsigned type it stays black and doesn't turn blue as when I type signed or any other type, to_unsigned works as well.

I used lots of libraries decleration but i just kept facing the same issue. Any help or clarification on the matter would be awesome, thank you very much for reading. 

 

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Explorer
Explorer
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Registered: ‎06-09-2015

Re: Library Issue with Xilinx ISe 9.2i

You might have placed your query at this "Design Tools-->Synthesis" thread:  https://forums.xilinx.com/t5/Synthesis/bd-p/SYNTHBD

Have you tried with using "use IEEE.STD_LOGIC_UNSIGNED.ALL;" on the library as following?

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL; 
use IEEE.STD_LOGIC_UNSIGNED.ALL;

Regards,
krishna@logictronix.com
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