CNT2T

LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITY CNT2T IS
PORT(CO3:IN STD_LOGIC;
Q:OUT STD_LOGIC);
END CNT2T;
ARCHITECTURE bhv OF CNT2T IS
SIGNAL Q1:STD_LOGIC_VECTOR(0 TO 1);
BEGIN
PROCESS(CO3) BEGIN
IF CO3’EVENT AND CO3=‘1’ THEN
IF Q1<1 THEN Q1<=Q1+1;
ELSE Q1<=“00”;
END IF;
END IF;
IF Q1=1 THEN Q<=‘1’;
ELSE Q<=‘0’;
END IF;
END PROCESS;
END bhv;