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8 的代码
8++
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity multi8x8 is
port(clk, start: in std_logic;
a, b: in std_logic_vector(7 downto 0);
ariend: out std_logic;
8++
-- 8-bit Identity Comparator
-- uses 1993 std VHDL
-- download from www.pld.com.cn & www.fpga.com.cn
library IEEE;
use IEEE.Std_logic_1164.all;
entity HCT688 is
port(Q, P : in std_logic_v
8++-
--
--
------------------------------------------------------------------------------------
-- DESCRIPTION : Flip-flop D type
-- Width: 8
-- Clock active: high