chufa.v

运用TLC5510A高速(20M),扫描出波形,测量相位差,两个TLC5510A测两个波形.

module chufa(D,Q,clr,clk);

input D,clr,clk;
output Q;
reg Q;
always@(posedge clk)
  begin
    if(!clr)
      Q<=0;               //异步清零
    else
      Q<=D;
  end
endmodule