Altera_Forum
Honored Contributor
Honored ContributorWhy the output of this Code is 'U' ?
Hi all Why the Sum Value is 'U' in this code ? :
LIBRARY ieee;
USE ieee.std_logic_1164.all;
ENTITY Adder_4_Bit_2C IS
PORT(
A, B : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
Mode : IN STD_LOGI...
