如何在Verilog中连接两个模块?

问题描述

我已经编写了两个模块DLatch和RSLatch，并且我想编写Verilog代码以将这两个模块结合在一起.

I have written two modules DLatch and RSLatch and i want to write verilog code to join those two.

推荐答案

认真地讲，您应该自己获取Verilog手册或搜索一些在线资源.

Seriously, you should get yourself a Verilog handbook or search for some online resources.

无论如何，这样的事情应该起作用:

Anyway, something like this should work:

module dff (
    input Clk,
    input D,
    output Q,
    output Qbar
  );

  wire q_to_s;
  wire qbar_to_r;
  wire clk_bar;

  assign clk_bar = ~Clk;

  D_latch dlatch (
    .D(D),
    .Clk(Clk),
    .Q(q_to_s),
    .Qbar(qbar_to_r)
  );

  RS_latch rslatch (
    .S(q_to_s),
    .R(qbar_to_r),
    .Clk(clk_bar),
    .Qa(Q),
    .Qb(Qbar)
  );

endmodule

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