代码搜索：std
找到约 10,000 项符合「std」的源代码
代码结果 10,000
www.eeworm.com/read/325744/13186593
vhd stopwatch.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;
entity stopwatch is
port(led1:out std_logic_vector(3 downto 0); --???????
www.eeworm.com/read/240876/13189699
vhd i60bcd.vhd
--The IEEE standard 1164 package, declares std_logic, rising_edge(), etc.
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.std_logic_arith.all;
use IEEE.std_logic_unsigned.all;
entity i60bcd i
www.eeworm.com/read/240876/13189716
vhd regne.vhd
--regne.vhd n-bit register with enable
library ieee ;
use ieee.std_logic_1164.all ;
entity regne is
generic ( n : integer := 12 ) ;
port (
r : in std_logic_vector(n-1 downto 0) ;--register
www.eeworm.com/read/240876/13189783
vhd negative.vhd
--negative.vhd correct negative number circuit
library ieee ;
use ieee.std_logic_1164.all;
use work.components.all;
entity negative is
port(
a : in std_logic_vector(11 downto 0);--块
www.eeworm.com/read/240876/13189812
vhd bcdadd.vhd
--bcdadd.vhd 1 digit bcd adder
library ieee ;
use ieee.std_logic_1164.all;
use work.components.all;
entity bcdadd is
port(
a : in std_logic_vector(3 downto 0);--砆
www.eeworm.com/read/240876/13189819
vhd bcd.vhd
--bcd.vhd 1 digits bcd adder/subtractor
library ieee ;
use ieee.std_logic_1164.all;
use work.components.all;
entity bcd is
port(
a : in std_logic_vector(3 downto 0);--砆
www.eeworm.com/read/240876/13189834
vhd multiplier.vhd
--multiplier.vhd n-bit multiplier
library ieee ;
use ieee.std_logic_1164.all ;
use ieee.std_logic_unsigned.all ;
use work.components.all ;
entity multiplier is
generic ( n : integer := 7; nn :
www.eeworm.com/read/240876/13189864
vhd bcd3.vhd
--bcd3.vhd 3 digits bcd adder/subtractor
library ieee ;
use ieee.std_logic_1164.all;
use work.components.all;
entity bcd3 is
port(
a : in std_logic_vector(11 downto 0);--砆
www.eeworm.com/read/325597/13194935
vhd i60bcd.vhd
--The IEEE standard 1164 package, declares std_logic, rising_edge(), etc.
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.std_logic_arith.all;
use IEEE.std_logic_unsigned.all;
entity i60bcd i
www.eeworm.com/read/325597/13194963
vhd regne.vhd
--regne.vhd n-bit register with enable
library ieee ;
use ieee.std_logic_1164.all ;
entity regne is
generic ( n : integer := 12 ) ;
port (
r : in std_logic_vector(n-1 downto 0) ;--register