Forum Discussion
New ContributorError 10500
Library IEEE;
USE IEEE.NUMERIC_STD.ALL;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY mux4 IS
PORT(
mux_in_a:IN UNSIGNED(3 downto 0);
mux_in_b :IN UNSIGNED(3 downto 0);
mux_sel :IN STD_LOGIC;
mux_out :OUT UNSIGNED(3 downto 0);
);
END mux4;
ARCHITECTURE behavior OF mux4 IS
begin
if mux_sel='0' then mux_out <= mux_in_a
elsif mux_sel='1' then mux_out <= mux_in_b
end if;
end architecture behavior;
when i run this code i get the error
Error (10500): VHDL syntax error at mux4.vhd(12) near text ")"; expecting an identifier, or "constant", or "file", or "signal", or "variable"
2 Replies
sstrellSuper Contributor
You have a semicolon (;) at the end of the mux_out port that should be removed.
KhaiChein_Y_IntelRegular Contributor
Library IEEE;
USE IEEE.NUMERIC_STD.ALL;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY mux4 IS
PORT(
mux_in_a:IN UNSIGNED(3 downto 0);
mux_in_b :IN UNSIGNED(3 downto 0);
mux_sel :IN STD_LOGIC;
mux_out :OUT UNSIGNED(3 downto 0)
);
END mux4;
ARCHITECTURE behavior OF mux4 IS
begin
process(mux_in_a, mux_in_b, mux_sel) begin
if mux_sel='0' then mux_out <= mux_in_a;
elsif mux_sel='1' then mux_out <= mux_in_b;
end if;
end process ;
end behavior;
