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Logic Analyzer 的代码
parallel.vhd
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.STD_LOGIC_ARITH.all;
use IEEE.STD_LOGIC_UNSIGNED.all;
-- Uncomment the following lines to use the declarations that are
-- provided for instantia
seltime.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
use ieee.std_logic_arith.all;
entity SELTIME is
port(
clk:in std_logic;
sec1,sec0,min1,min0,h1,h0:i
hour.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity HOUR is
port(clk,en:in std_logic;
h1,h0:out std_logic_vector(3 downto 0));
end HOUR;
architecture hour_
second.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity SECOND is
port(clk,clr:in std_logic;
sec1,sec0:out std_logic_vector(3 downto 0);
co:out std_logic);
minute.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity MINUTE is
port(clk,en:in std_logic;
min1,min0:out std_logic_vector(3 downto 0);
co:out std_logic);
e
seltime.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
use ieee.std_logic_arith.all;
entity SELTIME is
port(
clk:in std_logic;------扫描时钟
secm1,secm0,sec1,
hour.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity HOUR is
port(clk,en:in std_logic;----输入时钟/高电平有效的使能信号
h1,h0:out std_logic_vector(3 downto 0));----时高位/低位
en
second.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity SECOND is
port(clk,clr:in std_logic;----时钟/清零信号
sec1,sec0:out std_logic_vector(3 downto 0);----秒高位/低位
minute.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity MINUTE is
port(clk,en:in std_logic;
min1,min0:out std_logic_vector(3 downto 0);
co:out std_logic);
e
add.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity add is
port(clk:in std_logic;
adds:in std_logic_vector(15 downto 0):="0000000000000000";