weixin_51000982的博客

原创 2020-11-23

LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; ENTITY JCQ IS PORT ( A : IN STD_LOGIC_VECTOR(151 DOWNTO 0); B : OUT STD_LOGIC ); END JCQ; ARCHITECTURE behav OF JCQ IS BEGIN PROCESS (A) IF A = ‘1111111111111111111111111111111111111111111111111111111111111.