time_sim.vhd

实用的程序代码

-- Xilinx VHDL produced by program ngd2vhdl, Version M1.4.12
-- Date: Tue Jan  6 16:23:33 1998
-- Design file: time_sim.nga
-- Device: 4005epc84-2
----- CELL TOC -----
-- Model for  Tristate-On-Configuration Cell
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.VITAL_Timing.all;

entity TOC is
    generic ( InstancePath: STRING := "*");
    port( O : out std_ulogic := '0' ) ;
    attribute VITAL_LEVEL0 of TOC : entity is TRUE ;
end TOC ;

architecture TOC_V of TOC is
attribute VITAL_LEVEL0 of TOC_V : architecture is TRUE ;
begin
    ONE_SHOT: process
    begin
      wait;
    end process ONE_SHOT ;
end TOC_V ;

configuration CFG_TOC_V of TOC is
    for TOC_V
    end for ;
end CFG_TOC_V ;
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
library SIMPRIM;
use SIMPRIM.VCOMPONENTS.ALL;
use SIMPRIM.VPACKAGE.ALL;
entity MUX_TBUF is
  port (
    A : in STD_LOGIC := 'X' ;
    B : in STD_LOGIC := 'X' ;
    C : in STD_LOGIC := 'X' ;
    D : in STD_LOGIC := 'X' ;
    E : in STD_LOGIC := 'X' ;
    SIG : out STD_LOGIC ;
    SEL : in  STD_LOGIC_VECTOR ( 4 downto 0 )
  ) ;
end MUX_TBUF ;

architecture STRUCTURE of MUX_TBUF is
  component TOC
       port ( O : out STD_ULOGIC ) ;
  end component ;
  signal N227 , N191 , SIG_TRI_ENABLE151 , N188 , SIG_TRI_ENABLE55 , N189 , 
  SIG_TRI_ENABLE87 , N187 , SIG_TRI_ENABLE , N190 , SIG_TRI_ENABLE119 , 
  U105_1I20_GTS_TRI , SIG_TRI5_2_INV , SIG_TRI2_2_INV , SIG_TRI3_2_INV , 
  SIG_TRI_2_INV , SIG_TRI4_2_INV , U105_1I20_GTS_TRI_2_INV , GTS : STD_LOGIC ;
  begin
    SIG_TRI5 : X_TRI 
      port map ( I => N191 , O => N227 , CTL => SIG_TRI5_2_INV ) ;
    SIG_TRI2 : X_TRI 
      port map ( I => N188 , O => N227 , CTL => SIG_TRI2_2_INV ) ;
    SIG_TRI3 : X_TRI 
      port map ( I => N189 , O => N227 , CTL => SIG_TRI3_2_INV ) ;
    SIG_TRI : X_TRI 
      port map ( I => N187 , O => N227 , CTL => SIG_TRI_2_INV ) ;
    SIG_TRI4 : X_TRI 
      port map ( I => N190 , O => N227 , CTL => SIG_TRI4_2_INV ) ;
    U95 : X_BUF 
      port map ( I => SEL(4) , O => SIG_TRI_ENABLE151 ) ;
    U96 : X_BUF 
      port map ( I => SEL(3) , O => SIG_TRI_ENABLE119 ) ;
    U97 : X_BUF 
      port map ( I => SEL(2) , O => SIG_TRI_ENABLE87 ) ;
    U98 : X_BUF 
      port map ( I => SEL(1) , O => SIG_TRI_ENABLE55 ) ;
    U99 : X_BUF 
      port map ( I => SEL(0) , O => SIG_TRI_ENABLE ) ;
    U100 : X_BUF 
      port map ( I => A , O => N187 ) ;
    U101 : X_BUF 
      port map ( I => B , O => N188 ) ;
    U102 : X_BUF 
      port map ( I => C , O => N189 ) ;
    U103 : X_BUF 
      port map ( I => D , O => N190 ) ;
    U104 : X_BUF 
      port map ( I => E , O => N191 ) ;
    U105_1I20 : X_BUF 
      port map ( I => N227 , O => U105_1I20_GTS_TRI ) ;
    U105_1I20_GTS_TRI_0 : X_TRI 
      port map ( I => U105_1I20_GTS_TRI , O => SIG , 
      CTL => U105_1I20_GTS_TRI_2_INV ) ;
    SIG_TRI5_2_INV_1 : X_INV 
      port map ( I => SIG_TRI_ENABLE151 , O => SIG_TRI5_2_INV ) ;
    SIG_TRI2_2_INV_2 : X_INV 
      port map ( I => SIG_TRI_ENABLE55 , O => SIG_TRI2_2_INV ) ;
    SIG_TRI3_2_INV_3 : X_INV 
      port map ( I => SIG_TRI_ENABLE87 , O => SIG_TRI3_2_INV ) ;
    SIG_TRI_2_INV_4 : X_INV 
      port map ( I => SIG_TRI_ENABLE , O => SIG_TRI_2_INV ) ;
    SIG_TRI4_2_INV_5 : X_INV 
      port map ( I => SIG_TRI_ENABLE119 , O => SIG_TRI4_2_INV ) ;
    U105_1I20_GTS_TRI_2_INV_6 : X_INV 
      port map ( I => GTS , O => U105_1I20_GTS_TRI_2_INV ) ;
    TOC_NGD2VHDL : TOC 
      port map ( O => GTS ) ;
end STRUCTURE ;