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  • 差分时钟仿真测试模块

    //产生100MHz差分时钟:

    //写法一:

    module sim_top;
    reg clk;
    initial clk <= 1'b0;
    always #5 clk=~clk;
    system system(
      .clk_in1_p(clk),
      .clk_in1_n(~clk)
      );
    endmodule

    //写法二:

    module sim_top(

    );

    reg clk_in1_p;

    wire clk_in1_n;

    assign clk_in1_n = ~clk_in1_p;

    initial clk_in1_p = 0;

    always #5 clk_in1_p <= ~clk_in1_p;

    system system(
      .clk_in1_p(clk_in1_p),
      .clk_in1_n(clk_in1_n) 
      ); 
    endmodule

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  • 原文地址:https://www.cnblogs.com/achangchang/p/11260265.html
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