call_fpq.vhd

计数器、频率计、优先编码器、数码管扫描电路、数据选择器

LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;

ENTITY call_fpq IS
		PORT( clk		: IN	STD_LOGIC;
		       y		: OUT	STD_LOGIC);
END call_fpq;

ARCHITECTURE a OF call_fpq IS
signal m:std_logic;
 COMPONENT fpq IS
  PORT( clk	: IN	STD_LOGIC;
		  y	: OUT	STD_LOGIC);
 END COMPONENT;

BEGIN
	u1:fpq PORT MAP(clk,m);
    u2:fpq PORT MAP(m,y);
END;