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Altera_Forum
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14 years ago

[B]ERROR:object "std_logic_signed" is used but not declared[/B]

hi there, I'm VHDL beginner working on a Filter code, which is shown below and i'm getting the error as "error (10482): vhdl error at fir.vhd(17): object "std_logic_signed" is used but not declar...
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Altera_Forum
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14 years ago

you cannot use std_logic_arith and numeric_std in the same file because they conflict. numeric_std is the IEEE standard package, std_logic_arith is not (so dont use it).