tim_sim.v

实用的程序代码

// Xilinx Verilog produced by program ngd2ver, Version M1.3.7
// Date: Tue Oct 14 17:48:48 1997
// Design file: tim_sim.nga
// Device: 4005epc84-2
`timescale 1 ns/1 ps
`uselib dir=/home/zeppelin2/tech_apps/m1_3.7/verilog/data libext=.vmd

  module clock_enable (LOAD, IN2, IN1, DOUT, DATA, CLK);
    input LOAD;
    input IN2;
    input IN1;
    output DOUT;
    input DATA;
    input CLK;

    wire n74, n75, n76, n77, n78, n101, ENABLE, n100, DOUT_reg_GSR_OR, 
    \U45/$1I20_GTS_TRI , \U43/clkio_bufsig , \U46/2_0 , 
    \U45/$1I20_GTS_TRI_2_INV , GND;
    `ifdef GSR_SIGNAL
      wire GSR = `GSR_SIGNAL ;
    `else
      wire GSR ;
    `endif
    `ifdef GTS_SIGNAL
      wire GTS = `GTS_SIGNAL ;
    `else
      wire GTS ;
    `endif

    initial $sdf_annotate("tim_sim.sdf");

    X_BUF U40 (.IN (IN1), .OUT (n74));
    X_BUF U41 (.IN (IN2), .OUT (n75));
    X_BUF U42 (.IN (DATA), .OUT (n76));
    X_BUF U44 (.IN (LOAD), .OUT (n78));
    X_FF DOUT_reg (.IN (n76), .CLK (n77), .CE (ENABLE), .SET (GND), 
    .RST (DOUT_reg_GSR_OR), .OUT (n101));
    X_IPAD IN1_PAD (.PAD (IN1));
    X_IPAD IN2_PAD (.PAD (IN2));
    X_IPAD DATA_PAD (.PAD (DATA));
    X_IPAD CLK_PAD (.PAD (CLK));
    X_IPAD LOAD_PAD (.PAD (LOAD));
    X_OPAD DOUT_PAD (.PAD (DOUT));
    X_ZERO n100_ZERO (.OUT (n100));
    X_OR2 DOUT_reg_GSR_OR_22 (.IN0 (n100), .IN1 (GSR), .OUT (DOUT_reg_GSR_OR));
    X_BUF \U45/$1I20  (.IN (n101), .OUT (\U45/$1I20_GTS_TRI ));
    X_TRI \U45/$1I20_GTS_TRI_23  (.IN (\U45/$1I20_GTS_TRI ), .OUT (DOUT), 
    .CTL (\U45/$1I20_GTS_TRI_2_INV ));
    X_CKBUF \U43/clkbuf  (.IN (\U43/clkio_bufsig ), .OUT (n77));
    X_BUF \U43/clkio_buf  (.IN (CLK), .OUT (\U43/clkio_bufsig ));
    X_AND2 \U46/ENABLE/2_0  (.IN0 (n74), .IN1 (n75), .OUT (\U46/2_0 ));
    X_AND2 \U46/ENABLE  (.IN0 (\U46/2_0 ), .IN1 (n78), .OUT (ENABLE));
    X_INV \U45/$1I20_GTS_TRI_2_INV_24  (.IN (GTS), 
    .OUT (\U45/$1I20_GTS_TRI_2_INV ));
    X_ZERO GND_25 (.OUT (GND));
    X_PD NGD2VER_PD_20 (.OUT (GSR) );
    X_PD NGD2VER_PD_21 (.OUT (GTS) );
  endmodule