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Honored Contributor
Honored ContributorHow to make DDS with NCO megacore function?
I try to make square wave with NCO Megacore Function as below. But, The square wave is not good for use like dds. How to make square wave like ad9850 dds ----- below is VHDL Code -------...
Altera_ForumHonored Contributor
Honored ContributorThe phase accu isn't more than
accu :unsigned (NCO_W-1 downto 0);
freq :unsigned (NCO_W-1 downto 0);
...
process(clk);
begin
if rising_edge(clk) then
accu <= accu + freq;
end if;
end process,
square <= freq(NCO_W-1);
