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楼主: CHA

请教Verilog语言中的一个问题

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AAT 发表于 2010-6-26 11:54:24 | 显示全部楼层
还有就是既然是10010的检测,那么是不是应该100101001010010这样才算3个有效的序列?还是10010010010这样才算?<br>
<br>
个人认为应该是第1种情况才是巴,请高手解答???
HDL 发表于 2010-6-26 13:07:35 | 显示全部楼层
怎么这么复杂,一个异或补救解决了,flag = state^10010;
longtime 发表于 2010-6-26 14:56:34 | 显示全部楼层
谢谢,我刚好也碰到这个问题
AAT 发表于 2010-6-26 16:17:58 | 显示全部楼层
夏老师书上的............
ICE 发表于 2010-6-26 16:36:08 | 显示全部楼层
我按夏老师书上的测试文件<br>
`timescale 1ns/1ns<br>
module test(x, z, clk, rst);<br>
&nbsp; &nbsp; &nbsp; &nbsp; reg clk,rst;<br>
&nbsp; &nbsp; &nbsp; &nbsp; reg[23:0] data;<br>
&nbsp; &nbsp; &nbsp; &nbsp; wire z,x;<br>
&nbsp; &nbsp;assign x=data[23];<br>
&nbsp; &nbsp; &nbsp; &nbsp; <br>
&nbsp; &nbsp; &nbsp; &nbsp; initial<br>
&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;begin<br>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; clk=0;<br>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; rst=1;<br>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; #2 rst=0;<br>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; #30 rst=1;<br>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; data=20'b1100_1001_0000_1001_0100;<br>
&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;end<br>
&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;always #10 clk=~clk;<br>
&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;always @ (posedge clk)<br>
&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; data={data[22:0],data[23]};<br>
&nbsp; &nbsp; seqdet m(.x(x),.z(z),.clk(clk),.rst(rst));<br>
<br>
<br>
endmodule<br>
综合有问题
encounter 发表于 2010-6-26 17:14:55 | 显示全部楼层
好好好,精神可加
CHAN 发表于 2010-6-26 18:09:38 | 显示全部楼层
BUCUO BUCUO
interig 发表于 2010-6-26 18:48:47 | 显示全部楼层
的确学到不少!
FFT 发表于 2010-6-26 19:38:13 | 显示全部楼层
看了有收获
Sunlife 发表于 2015-6-25 10:35:31 | 显示全部楼层

楼上的好强,我尝试了下也碰到这个问题,用楼上的方法,解决了。非常感谢。不过,这与想法有点不同,斑竹能说明下原因么??为何要把状态设置在状态e上。而且,当状态设置在状态d上,为何只出现一个短脉冲。我估计这肯定与状态改变的瞬时有关。
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