in8031.vhd

来自「8031仿真程序 用VHDL硬件描述语言写的」· VHDL 代码 · 共 29 行

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;

entity in8031 is
end in8031;

architecture in8031 of in8031 is
	constant clk_cy :time := 2 ns;
	signal clk,rst:std_logic;
		begin
		p1:process
			begin
				wait for 1 ns;
				clk<='0';
				wait for 1 ns;
				clk<='1';
				
			end process p1;
		p2:process
			begin
				wait for 24 ns;
				rst<='1';
				
				rst<='0';
				wait;
		end process p2;
end;