{"id":2999,"date":"2022-03-21T20:58:46","date_gmt":"2022-03-21T12:58:46","guid":{"rendered":"http:\/\/139.9.1.231\/?p=2999"},"modified":"2022-03-30T10:41:56","modified_gmt":"2022-03-30T02:41:56","slug":"verilog-hdlopraete","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2022\/03\/21\/verilog-hdlopraete\/","title":{"rendered":"Verilog HDL\u8bed\u6cd5"},"content":{"rendered":"\n\n\n<ol><li>\u7b97\u6570\u8fd0\u7b97\u7b26\uff1a+ &#8211; * \/ %(\u53d6\u6a21)<\/li><li>\u8d4b\u503c\u8fd0\u7b97\u7b26 =\uff08\u5835\u585e\uff09 &lt;=\uff08\u975e\u5835\u585e\uff09<\/li><li>\u5173\u7cfb\u8fd0\u7b97\u7b26 &gt; ,&lt; , &gt;= , &lt;= , ==\uff1a\u903b\u8f91\u76f8\u7b49\uff0c !=\uff1a\u903b\u8f91\u4e0d\u7b49\uff0c===\uff1a\u5168\u7b49\uff1b!==\uff1a\u4e0d\u5168\u7b49  &#8220;===&#8221;\u548c&#8221;!==&#8221;\u53ef\u4ee5\u6bd4\u8f83\u542b\u6709x\u548cz\u7684\u64cd\u4f5c\u6570\uff0c\u5728\u6a21\u5757\u7684\u529f\u80fd\u4eff\u771f\u4e2d\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/li><li>\u903b\u8f91\u8fd0\u7b97\u7b26\uff1a &amp;&amp; ||  \uff01<\/li><li>\u4f4d\u8fd0\u7b97\u7b26\uff1a \u6309\u4f4d &amp; | \uff01~ \uff0c^\u6309\u4f4d\u5f02\u6216  \uff0c^~ \u6309\u4f4d\u540c\u6216<\/li><li>\u6761\u4ef6\u8fd0\u7b97\u7b26\uff1a ?:  r=s?t:u<\/li><li>\u79fb\u4f4d\u8fd0\u7b97\u7b26\uff1a &lt;&lt; &gt;&gt;<\/li><li>\u62fc\u63a5\u8fd0\u7b97\u7b26\uff1a {\u4fe1\u53f71\u7684\u67d0\u51e0\u4f4d\uff0c\u4fe1\u53f72\u7684\u67d0\u51e0\u4f4d\uff0c\u4fe1\u53f73\u7684\u67d0\u51e0\u4f4d&#8230;.}     2{\u4fe1\u53f7\u7684\u67d0\u51e0\u4f4d}  \u8868\u793a{}\u4e2d\u7684\u4fe1\u53f7\u91cd\u590d2\u6b21<\/li><li>\u7f29\u51cf\u8fd0\u7b97\u7b26\uff1a \u5355\u76ee\u8fd0\u7b97\u7b26 &amp;\uff0c|\uff0c~    \uff1a c= &amp;b  \u6307\u7684\u662fb\u7684\u524d\u4e00\u4f4d&amp;\u540e\u4e00\u4f4d\uff0c\u77e5\u9053\u6700\u7ec8\u53ea\u5269\u4e0b\u4e00\u4e2abit <\/li><\/ol>\n\n\n\n<h2>Vector\uff1a<\/h2>\n\n\n\n<p>type [upper:lower] vector_name;<\/p>\n\n\n\n<p>\u5982\u679c\u58f0\u660evector\u65f6\u5019\u6307\u5b9a\u4e86vector\u65b9\u5411 [8:0] \u9ad8\u5230\u4f4e\uff0c\u90a3\u4e48\u5728\u4f7f\u7528\u8be5vector\u65f6\uff0c\u4e5f\u8981\u4ece\u9ad8\u5230\u4f4e\u6307\u5b9a\uff1a[3:0]  [4:1]<\/p>\n\n\n\n<p>\u5411\u91cf\u7684\u5b57\u8282\u987a\u5e8f\uff08\u6216\u975e\u6b63\u5f0f\u5730\u79f0\u4e3a\u201c\u65b9\u5411\u201d\uff09\u662f\u6307\u6700\u4f4e\u6709\u6548\u4f4d\u662f\u5177\u6709\u8f83\u4f4e\u7684\u7d22\u5f15\uff08\u8f83\u5c0f\u7684\u5b57\u8282\u5e8f\uff0c\u4f8b\u5982[3\uff1a0]\uff09\u8fd8\u662f\u5177\u6709\u8f83\u9ad8\u7684\u7d22\u5f15\uff08\u8f83\u5927\u7684\u5b57\u8282\u5e8f\uff0c\u4f8b\u5982[[ 0\uff1a3]\uff09\u3002\u5728<a href=\"https:\/\/so.csdn.net\/so\/search?q=Verilog&amp;spm=1001.2101.3001.7020\" target=\"_blank\" rel=\"noreferrer noopener\">Verilog<\/a>\u4e2d\uff0c\u4e00\u65e6\u4ee5\u7279\u5b9a\u7684\u5b57\u8282\u5e8f\u58f0\u660e\u4e86\u5411\u91cf\uff0c\u5c31\u5fc5\u987b\u59cb\u7ec8\u4ee5\u76f8\u540c\u7684\u65b9\u5f0f\u4f7f\u7528\u5b83\u3002\u4f8b\u5982\uff0c\u58f0\u660evec[0:3]\u65f6\u5199\u662f\u975e\u6cd5\u7684\u3002\u4e0e\u5b57\u8282\u5e8f\u4e00\u81f4\u662f\u4e00\u79cd\u597d\u4e60\u60ef\uff0c\u56e0\u4e3a\u5982\u679c\u5c06\u4e0d\u540c\u5b57\u8282\u5e8f\u7684\u5411\u91cf\u4e00\u8d77\u5206\u914d\u6216\u4f7f\u7528\uff0c\u5219\u4f1a\u53d1\u751f\u5947\u602a\u7684\u9519\u8bef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">wire [7:0] w;         \/\/ 8-bit wire\nreg  [4:1] x;         \/\/ 4-bit reg\noutput reg [0:0] y;   \/\/ 1-bit reg that is also an output port (this is still a vector)\ninput wire [3:-2] z;  \/\/ 6-bit wire input (negative ranges are allowed)\noutput [3:0] a;       \/\/ 4-bit output wire. Type is 'wire' unless specified otherwise.\nwire [0:7] b;         \/\/ 8-bit wire where b[0] is the most-significant bit.<\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>wire &#091;2:0] a, c;   \/\/ Two vectors\nassign a = 3'b101;  \/\/ a = 101\nassign b = a;       \/\/ b =   1  implicitly-created wire\nassign c = b;       \/\/ c = 001  &lt;-- bug\nmy_module i1 (d,e); \/\/ d and e are implicitly one-bit wide if not declared.\n                    \/\/ This could be a bug if the port was intended to be a vector.\n\nAdding `default_nettype none would make the second line of code an error, which makes the bug more visible.<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>assign w = a;\ntakes the entire 4-bit vector a and assigns it to the entire 8-bit vector w (declarations are taken from above). If the lengths of the right and left sides don't match, it is zero-extended or truncated as appropriate.<\/code><\/pre>\n\n\n\n<h2>wire \u548c reg \u7684\u533a\u522b\u548c\u4f7f\u7528\uff1a<\/h2>\n\n\n\n<p>wire\u8868\u793a\u76f4\u901a\uff0c\u5373\u8f93\u5165\u6709\u53d8\u5316\uff0c\u8f93\u51fa\u9a6c\u4e0a\u65e0\u6761\u4ef6\u5730\u53cd\u6620\uff08\u5982\u4e0e\u3001\u975e\u95e8\u7684\u7b80\u5355\u8fde\u63a5\uff09\u3002<\/p>\n\n\n\n<p>reg\u8868\u793a\u4e00\u5b9a\u8981\u6709\u89e6\u53d1\uff0c\u8f93\u51fa\u624d\u4f1a\u53cd\u6620\u8f93\u5165\u7684\u72b6\u6001\u3002<\/p>\n\n\n\n<p>reg\u76f8\u5f53\u4e8e\u5b58\u50a8\u5355\u5143\uff0cwire\u76f8\u5f53\u4e8e\u7269\u7406\u8fde\u7ebf\u3002reg\u8868\u793a\u4e00\u5b9a\u8981\u6709\u89e6\u53d1\uff0c\u6ca1\u6709\u8f93\u5165\u7684\u65f6\u5019\u53ef\u4ee5\u4fdd\u6301\u539f\u6765\u7684\u503c\uff0c\u4f46\u4e0d\u76f4\u63a5\u5b9e\u9645\u7684\u786c\u4ef6\u7535\u8def\u5bf9\u5e94\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u4e24\u8005\u7684\u533a\u522b\u662f\uff1a\u5bc4\u5b58\u5668\u578b\u6570\u636e\u4fdd\u6301\u6700\u540e\u4e00\u6b21\u7684\u8d4b\u503c\uff0c\u800c\u7ebf\u578b\u6570\u636e\u9700\u8981\u6301\u7eed\u7684\u9a71\u52a8\u3002wire\u4f7f\u7528\u5728\u8fde\u7eed\u8d4b\u503c\u8bed\u53e5\u4e2d\uff0c\u800creg\u4f7f\u7528\u5728\u8fc7\u7a0b\u8d4b\u503c\u8bed\u53e5\uff08initial \uff0calways\uff09\u4e2d\u3002wire\u82e5\u65e0\u9a71\u52a8\u5668\u8fde\u63a5\uff0c\u5176\u503c\u4e3az\uff0creg\u9ed8\u8ba4\u521d\u59cb\u503c\u4e3a\u4e0d\u5b9a\u503c x \u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u5728\u8fde\u7eed\u8d4b\u503c\u8bed\u53e5\u4e2d\uff0c\u8868\u8fbe\u5f0f\u53f3\u4fa7\u7684\u8ba1\u7b97\u7ed3\u679c\u53ef\u4ee5\u7acb\u5373\u66f4\u65b0\u8868\u8fbe\u5f0f\u7684\u5de6\u4fa7\u3002\u5728\u7406\u89e3\u4e0a\uff0c\u76f8\u5f53\u4e8e\u4e00\u4e2a\u903b\u8f91\u4e4b\u540e\u76f4\u63a5\u8fde\u4e86\u4e00\u6761\u7ebf\uff0c\u8fd9\u4e2a\u903b\u8f91\u5bf9\u5e94\u4e8e\u8868\u8fbe\u5f0f\u7684\u53f3\u4fa7\uff0c\u800c\u8fd9\u6761\u7ebf\u5c31\u5bf9\u5e94\u4e8ewire\u3002\u5728\u8fc7\u7a0b\u8d4b\u503c\u8bed\u53e5\u4e2d\uff0c\u8868\u8fbe\u5f0f\u53f3\u4fa7\u7684\u8ba1\u7b97\u7ed3\u679c\u5728\u67d0\u79cd\u6761\u4ef6\u7684\u89e6\u53d1\u4e0b\u653e\u5230\u4e00\u4e2a\u53d8\u91cf\u5f53\u4e2d\uff0c\u800c\u8fd9\u4e2a\u53d8\u91cf\u53ef\u4ee5\u58f0\u660e\u6210reg\u7c7b\u578b\u7684\u3002\u6839\u636e<strong>\u89e6\u53d1\u6761\u4ef6<\/strong>\u7684\u4e0d\u540c\uff0c\u8fc7\u7a0b\u8d4b\u503c\u8bed\u53e5\u53ef\u4ee5\u5efa\u6a21\u4e0d\u540c\u7684\u786c\u4ef6\u7ed3\u6784\uff1a\u5982\u679c\u8fd9\u4e2a\u6761\u4ef6\u662f\u65f6\u949f\u7684\u4e0a\u5347\u6cbf\u6216\u4e0b\u964d\u6cbf\uff0c\u90a3\u4e48\u8fd9\u4e2a\u786c\u4ef6\u6a21\u578b\u5c31\u662f\u4e00\u4e2a\u89e6\u53d1\u5668\uff1b\u5982\u679c\u8fd9\u4e2a\u6761\u4ef6\u662f\u67d0\u4e00\u4fe1\u53f7\u7684\u9ad8\u7535\u5e73\u6216\u4f4e\u7535\u5e73\uff0c\u90a3\u4e48\u8fd9\u4e2a\u786c\u4ef6\u6a21\u578b\u5c31\u662f\u4e00\u4e2a\u9501\u5b58\u5668\uff1b\u5982\u679c\u8fd9\u4e2a\u6761\u4ef6\u662f\u8d4b\u503c\u8bed\u53e5\u53f3\u4fa7\u4efb\u610f\u64cd\u4f5c\u6570\u7684\u53d8\u5316\uff0c\u90a3\u4e48\u8fd9\u4e2a\u786c\u4ef6\u6a21\u578b\u5c31\u662f\u4e00\u4e2a\u7ec4\u5408\u903b\u8f91\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u5bf9\u7ec4\u5408\u903b\u8f91\u8f93\u51fa\u53d8\u91cf\uff0c\u53ef\u4ee5\u76f4\u63a5\u7528assign\u3002\u5373\u5982\u679c\u4e0d\u6307\u5b9a\u4e3areg\u7c7b\u578b\uff0c\u90a3\u4e48\u5c31\u9ed8\u8ba4\u4e3a1\u4f4dwire\u7c7b\u578b\uff0c\u6545\u65e0\u9700\u6307\u5b9a1\u4f4dwire\u7c7b\u578b\u7684\u53d8\u91cf\u3002\u5f53\u7136\u4e13\u95e8\u6307\u5b9a\u51fawire\u7c7b\u578b\uff0c\u53ef\u80fd\u662f\u591a\u4f4d\u6216\u4e3a\u4f7f\u7a0b\u5e8f\u6613\u8bfb\u3002<strong>wire\u53ea\u80fd\u88abassign\u8fde\u7eed\u8d4b\u503c\uff0creg\u53ea\u80fd\u5728initial\u548calways\u4e2d\u8d4b\u503c\u3002<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u8f93\u5165\u7aef\u53e3\u53ef\u4ee5\u7531wire\/reg\u9a71\u52a8\uff0c\u4f46\u8f93\u5165\u7aef\u53e3\u53ea\u80fd\u662fwire\uff1b\u8f93\u51fa\u7aef\u53e3\u53ef\u4ee5\u662fwire\/reg\u7c7b\u578b\uff0c\u8f93\u51fa\u7aef\u53e3\u53ea\u80fd\u9a71\u52a8wire<strong>\uff1b\u82e5\u8f93\u51fa\u7aef\u53e3\u5728\u8fc7\u7a0b\u5757\u4e2d\u8d4b\u503c\u5219\u4e3areg\u578b\uff0c\u82e5\u5728\u8fc7\u7a0b\u5757\u5916\u8d4b\u503c\u5219\u4e3anet\u578b\uff08wire\/tri\uff09\u3002<\/strong><strong>\u7528\u5173\u952e\u8bcdinout\u58f0\u660e\u4e00\u4e2a\u53cc\u5411\u7aef\u53e3, inout\u7aef\u53e3\u4e0d\u80fd\u58f0\u660e\u4e3areg\u7c7b\u578b\uff0c\u53ea\u80fd\u662fwire\u7c7b\u578b\u3002<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u9ed8\u8ba4\u4fe1\u53f7\u662fwire\u7c7b\u578b\uff0creg\u7c7b\u578b\u8981\u7533\u660e\u3002\u8fd9\u91cc\u6240\u8bf4\u7684\u9ed8\u8ba4\u662f\u6307\u8f93\u51fa\u4fe1\u53f7\u7533\u660e\u6210output\u65f6\u4e3awire\u3002\u5982\u679c\u662f\u6a21\u5757\u5185\u90e8\u4fe1\u53f7\uff0c\u5fc5\u987b\u7533\u660e\u6210wire\u6216\u8005reg.<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u5bf9\u4e8ealways\u8bed\u53e5\u800c\u8a00\uff0c\u8d4b\u503c\u8981\u7533\u660e\u6210reg\uff0c\u8fde\u7eed\u8d4b\u503cassign\u7684\u65f6\u5019\u8981\u7528wire\u3002<\/p>\n\n\n\n<p>\u6a21\u5757\u8c03\u7528\u65f6&nbsp;\u4fe1\u53f7\u7c7b\u578b\u786e\u5b9a\u65b9\u6cd5\u603b\u7ed3\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u2022\u4fe1\u53f7\u53ef\u4ee5\u5206\u4e3a\u7aef\u53e3\u4fe1\u53f7\u548c\u5185\u90e8\u4fe1\u53f7\u3002\u51fa\u73b0\u5728\u7aef\u53e3\u5217\u8868\u4e2d\u7684\u4fe1\u53f7\u662f\u7aef\u53e3\u4fe1\u53f7\uff0c\u5176\u5b83\u7684\u4fe1\u53f7\u4e3a\u5185\u90e8\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u2022\u5bf9\u4e8e\u7aef\u53e3\u4fe1\u53f7\uff0c\u8f93\u5165\u7aef\u53e3\u53ea\u80fd\u662fnet\u7c7b\u578b\u3002\u8f93\u51fa\u7aef\u53e3\u53ef\u4ee5\u662fnet\u7c7b\u578b\uff0c\u4e5f\u53ef\u4ee5\u662fregister\u7c7b\u578b\u3002\u82e5\u8f93\u51fa\u7aef\u53e3\u5728\u8fc7\u7a0b\u5757\u4e2d\u8d4b\u503c\u5219\u4e3aregister\u7c7b\u578b\uff1b\u82e5\u5728\u8fc7\u7a0b\u5757\u5916\u8d4b\u503c(\u5305\u62ec\u5b9e\u4f8b\u5316\u8bed\u53e5\uff09\uff0c\u5219\u4e3anet\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u2022\u5185\u90e8\u4fe1\u53f7\u7c7b\u578b\u4e0e\u8f93\u51fa\u7aef\u53e3\u76f8\u540c\uff0c\u53ef\u4ee5\u662fnet\u6216register\u7c7b\u578b\u3002\u5224\u65ad\u65b9\u6cd5\u4e5f\u4e0e\u8f93\u51fa\u7aef\u53e3\u76f8\u540c\u3002\u82e5\u5728\u8fc7\u7a0b\u5757\u4e2d\u8d4b\u503c\uff0c\u5219\u4e3aregister\u7c7b\u578b\uff1b\u82e5\u5728\u8fc7\u7a0b\u5757\u5916\u8d4b\u503c\uff0c\u5219\u4e3anet\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u2022\u82e5\u4fe1\u53f7\u65e2\u9700\u8981\u5728\u8fc7\u7a0b\u5757\u4e2d\u8d4b\u503c\uff0c\u53c8\u9700\u8981\u5728\u8fc7\u7a0b\u5757\u5916\u8d4b\u503c\u3002\u8fd9\u79cd\u60c5\u51b5\u662f\u6709\u53ef\u80fd\u51fa\u73b0\u7684\uff0c\u5982\u51b3\u65ad\u4fe1\u53f7\u3002\u8fd9\u65f6\u9700\u8981\u4e00\u4e2a\u4e2d\u95f4\u4fe1\u53f7\u8f6c\u6362\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u6240\u5217\u662f\u5e38\u51fa\u7684\u9519\u8bef\u53ca\u76f8\u5e94\u7684\u9519\u8bef\u4fe1\u606f(error&nbsp;message)<\/p>\n\n\n\n<p>\u2022\u7528\u8fc7\u7a0b\u8bed\u53e5\u7ed9\u4e00\u4e2anet\u7c7b\u578b\u7684\u6216\u5fd8\u8bb0\u58f0\u660e\u7c7b\u578b\u7684\u4fe1\u53f7\u8d4b\u503c\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u4fe1\u606f\uff1aillegal&nbsp;\u2026\u2026&nbsp;assignment.<\/p>\n\n\n\n<p>\u2022\u5c06\u5b9e\u4f8b\u7684\u8f93\u51fa\u8fde\u63a5\u5230\u58f0\u660e\u4e3aregister\u7c7b\u578b\u7684\u4fe1\u53f7\u4e0a\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u4fe1\u606f\uff1a&lt;name&gt;&nbsp;has&nbsp;illegal&nbsp;output&nbsp;port&nbsp;specification.<\/p>\n\n\n\n<p>\u2022\u5c06\u6a21\u5757\u7684\u8f93\u5165\u4fe1\u53f7\u58f0\u660e\u4e3aregister\u7c7b\u578b\u3002<\/p>\n\n\n\n<h2>case \u3001casex\u548ccasez\u7684\u533a\u522b<\/h2>\n\n\n\n<p>\u7528\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>case(in)\n 2'b00:out = 0;\n 2'b01:out = 1;\n 2'b10:out = 2;\n 2'b11:out = 3;\nendcase<\/code><\/pre>\n\n\n\n<p class=\"has-light-pink-background-color has-background\">casex:    \u8be5\u8bed\u53e5\u4e0d\u8003\u8651\u9ad8\u963b\u503cz\u4ee5\u53ca\u4e0d\u5b9a\u503cx\uff0c\u5373\u5728\u8868\u8fbe\u5f0f\u8fdb\u884c \u6bd4\u8f83\u65f6\uff0c\u4e0d\u4f1a\u6bd4\u8f83x\u3001z\u6240\u5728\u4f4d\u7684\u72b6\u6001\uff1ain = 001     c  = xx1  \u90a3\u4e48 in\u5728case\u8bed\u53e5\u4e2d\u7b49\u4e8ec\uff0c\u56e0\u4e3a\u4e0d\u8003\u8651x\u4f4d\uff0c\u53ea\u9700\u8981\u6bd4\u8f83\u6700\u540e\u4e00\u4f4d 1=1<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\n\/\/\u8981\u5b9e\u73b0 \u5982\u679cin\u7684\u7b2c\u4e00\u4e2a1\u51fa\u73b0\u7684\u4f4d\u7f6e in == 000 \u5219out = 0  in = 101\u5219out =1  in =111  \u5219out\u4ecd\u662f1\ncase(in)\n 2'bxx1:out = 3;\n 2'bx1x:out = 2;\n 2'b1xx:out = 1;\n 2'b000:out = 0\nendcase\n\n<\/code><\/pre>\n\n\n\n<p class=\"has-light-pink-background-color has-background\">\u540c\u7406 casez  \u8be5\u8bed\u53e5\u4e0d\u8003\u8651\u9ad8\u963b\u503cz \uff0c \u5373\u5728\u8868\u8fbe\u5f0f\u8fdb\u884c \u6bd4\u8f83\u65f6\uff0c\u4e0d\u4f1a\u6bd4\u8f83z\u6240\u5728\u4f4d\u7684\u72b6\u6001 <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b97\u6570\u8fd0\u7b97\u7b26\uff1a+ &#8211; * \/ %(\u53d6\u6a21) \u8d4b\u503c\u8fd0\u7b97\u7b26 =\uff08\u5835\u585e\uff09 &lt;=\uff08\u975e\u5835\u585e\uff09 \u5173\u7cfb\u8fd0\u7b97\u7b26  &hellip; <a href=\"http:\/\/139.9.1.231\/index.php\/2022\/03\/21\/verilog-hdlopraete\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">Verilog HDL\u8bed\u6cd5<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/2999"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=2999"}],"version-history":[{"count":16,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/2999\/revisions"}],"predecessor-version":[{"id":3247,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/2999\/revisions\/3247"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=2999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=2999"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=2999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}