{"id":65948,"date":"2026-01-25T23:16:36","date_gmt":"2026-01-25T15:16:36","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/65948.html"},"modified":"2026-01-25T23:16:36","modified_gmt":"2026-01-25T15:16:36","slug":"fpga-oddr%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/65948.html","title":{"rendered":"FPGA ODDR\u57fa\u672c\u539f\u7406"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u4e00\u3001\u524d\u8a00<\/li>\n<li>\u4e8c\u3001\u57fa\u672c\u539f\u7406<\/li>\n<li>\u4e09\u3001\u8865\u5145\u5185\u5bb9<\/li>\n<li>\u56db\u3001\u4e2a\u4eba\u58f0\u660e<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u4e00\u3001\u524d\u8a00<\/h3>\n<p>\u2002\u2002\u2002\u2002\u672c\u6587\u662fFPGA IDDR\u57fa\u672c\u539f\u7406\u7684\u59ca\u59b9\u7bc7&#xff0c;\u5efa\u8bae\u5148\u9605\u8bfbIDDR\u539f\u7406\u90e8\u5206\u5185\u5bb9\u3002<\/p>\n<h3>\u4e8c\u3001\u57fa\u672c\u539f\u7406<\/h3>\n<p>\u2002\u2002\u2002\u2002IDDR\u901a\u8fc7\u4e24\u4e2a\u5bc4\u5b58\u5668\u5206\u522b\u91c7\u96c6\u65f6\u949f\u4e0a\u5347\u6cbf\u548c\u4e0b\u964d\u6cbf\u7684\u6570\u636e\u4fe1\u53f7\u5b9e\u73b0\u53cc\u8fb9\u6cbf\u6570\u636e\u8f6c\u5316\u4e3a\u5355\u8fb9\u6cbf\u6570\u636e&#xff08;\u8be6\u89c1\u6587\u7ae0\u300aIDDR\u57fa\u672c\u539f\u7406\u300b&#xff09;\u3002\u800cODDR\u53ef\u89c6\u4e3aIDDR\u7684\u9006\u64cd\u4f5c&#xff0c;\u540c\u6837\u91c7\u7528\u53cc\u5bc4\u5b58\u5668\u7ed3\u6784&#xff1a;\u4e00\u4e2a\u5bc4\u5b58\u5668\u5728\u65f6\u949f\u4e0a\u5347\u6cbf\u8f93\u51fa\u6570\u636e&#xff0c;\u53e6\u4e00\u4e2a\u5728\u4e0b\u964d\u6cbf\u8f93\u51fa\u6570\u636e&#xff0c;\u7136\u540e\u901a\u8fc7\u6570\u636e\u9009\u62e9\u5668\u5b9e\u73b0\u4ea4\u66ff\u8f93\u51fa&#xff0c;\u57fa\u672c\u7535\u8def\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a&#xff1a; <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125151634-697633d20e15c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"400\" height=\"200\" \/> \u2002\u2002\u2002\u2002ODDR\u76f8\u6bd4\u4e8eIDDR\u539f\u7406\u66f4\u52a0\u7b80\u5355&#xff0c;\u4ee5\u4e0b\u662f\u5177\u4f53\u5b9e\u73b0\u548c\u6d4b\u8bd5\u4ee3\u7801&#xff1a;<\/p>\n<p>module oddr # (<br \/>\n    \/* d\u521d\u59cb\u503c *\/<br \/>\n    parameter D_INIT &#061; 1&#039;b0<br \/>\n)(<br \/>\n    input wire clk,<br \/>\n    input wire rstn,<br \/>\n    input wire d0,<br \/>\n    input wire d1,<br \/>\n    output wire q<br \/>\n);<br \/>\n    reg dff0, dff1;<\/p>\n<p>    \/* dff0 *\/<br \/>\n    always &#064; (posedge clk, negedge rstn) begin<br \/>\n        if (~rstn)<br \/>\n            dff0 &lt;&#061; D_INIT;<br \/>\n        else<br \/>\n            dff0 &lt;&#061; d0;<br \/>\n    end<\/p>\n<p>    \/* dff1 *\/<br \/>\n    always &#064; (negedge clk, negedge rstn) begin<br \/>\n        if (~rstn)<br \/>\n            dff1 &lt;&#061; D_INIT;<br \/>\n        else<br \/>\n            dff1 &lt;&#061; d1;<br \/>\n    end<\/p>\n<p>    \/* q output *\/<br \/>\n    assign q &#061; clk? dff0: dff1;<br \/>\nendmodule<\/p>\n<p>&#096;timescale 1ns \/ 1ps<br \/>\n&#096;timescale 1ns \/ 1ps<br \/>\nmodule tb_oddr();<br \/>\n    parameter D_INIT &#061; 1&#039;b0;<\/p>\n<p>    reg clk, rstn;<br \/>\n    reg d0, d1;<br \/>\n    wire q;<\/p>\n<p>    initial begin<br \/>\n        clk &#061; 1&#039;b0;<br \/>\n        rstn &#061; 1&#039;b0;<br \/>\n        d0 &#061; 1&#039;b0;<br \/>\n        d1 &#061; 1&#039;b0;<br \/>\n        #5<br \/>\n        rstn &#061; 1&#039;b1;<br \/>\n        d0 &#061; 1&#039;b0;<br \/>\n        d1 &#061; 1&#039;b0;<br \/>\n        #20<br \/>\n        d0 &#061; 1&#039;b1;<br \/>\n        d1 &#061; 1&#039;b0;<br \/>\n        #20<br \/>\n        d0 &#061; 1&#039;b1;<br \/>\n        d1 &#061; 1&#039;b1;<br \/>\n        #20<br \/>\n        d0 &#061; 1&#039;b0;<br \/>\n        d1 &#061; 1&#039;b0;<br \/>\n        #20<br \/>\n        d0 &#061; 1&#039;b0;<br \/>\n        d1 &#061; 1&#039;b1;<br \/>\n        #20<br \/>\n        d0 &#061; 1&#039;b1;<br \/>\n        d1 &#061; 1&#039;b1;<br \/>\n        #20<br \/>\n        d0 &#061; 1&#039;b1;<br \/>\n        d1 &#061; 1&#039;b1;<br \/>\n        #20<br \/>\n        d0 &#061; 1&#039;b0;<br \/>\n        d1 &#061; 1&#039;b1;<br \/>\n        $stop();<br \/>\n    end<\/p>\n<p>    always #10 clk &#061; ~clk;<\/p>\n<p>    oddr # (<br \/>\n        .D_INIT(D_INIT)<br \/>\n    ) u_oddr (<br \/>\n        .clk(clk),<br \/>\n        .rstn(rstn),<br \/>\n        .d0(d0),<br \/>\n        .d1(d1),<br \/>\n        .q(q)<br \/>\n    );<br \/>\nendmodule<\/p>\n<p>\u2002\u2002\u2002\u2002\u4eff\u771f\u6ce2\u5f62\u5982\u56fe\u6240\u793a\u3002\u572825\u81f345ns\u7684\u6570\u636e\u5468\u671f\u5185&#xff0c;d0\u4fdd\u6301\u9ad8\u7535\u5e73&#xff0c;d1\u7ef4\u6301\u4f4e\u7535\u5e73\u3002\u8f93\u51fa\u4fe1\u53f7q\u572830-40ns\u671f\u95f4\u5448\u73b0\u9ad8\u7535\u5e73&#xff0c;\u968f\u540e\u572840-50ns\u533a\u95f4\u8f6c\u4e3a\u4f4e\u7535\u5e73\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125151634-697633d25f6fc.png\" alt=\"\u4eff\u771f\u7ed3\u679c\" \/><\/p>\n<h3>\u4e09\u3001\u8865\u5145\u5185\u5bb9<\/h3>\n<p>\u2002\u2002\u2002\u2002\u5404FPGA\u5382\u5546\u7684ODDR\u7535\u8def\u8bbe\u8ba1\u5b58\u5728\u5dee\u5f02\u3002\u4e0b\u56fe\u4e3a\u9ad8\u4e91FPGA ODDR\u7535\u8def\u7ed3\u6784&#xff08;\u53c2\u8003Gowin UG289 \u56fe4-16&#xff09;&#xff0c;\u8be5\u8bbe\u8ba1\u5728\u672c\u6587\u7b2c\u4e8c\u8282\u6240\u8ff0\u7535\u8def\u7684\u57fa\u7840\u4e0a\u989d\u5916\u96c6\u6210\u4e86\u4e24\u7ea7\u5bc4\u5b58\u5668\u3002 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125151634-697633d298413.png\" alt=\"\u9ad8\u4e91ODDR\u7ed3\u6784\" width=\"600\" height=\"180\" \/> \u2002\u2002\u2002\u2002\u4e0b\u56fe\u4e3a\u5b89\u8defFPGA ODDR\u7535\u8def\u7ed3\u6784&#xff08;\u53c2\u8003Anlogic TN805 \u56fe5-4&#xff09;&#xff0c;\u8be5\u8bbe\u8ba1\u5728DFF1\u524d\u7aef\u989d\u5916\u589e\u52a0\u4e86\u4e00\u7ea7\u5bc4\u5b58\u5668&#xff08;\u5176\u5177\u4f53\u4f5c\u7528\u4e2a\u4eba\u76ee\u524d\u5c1a\u4e0d\u4e86\u89e3&#xff09;\u3002 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125151634-697633d2d25b3.png\" alt=\"\u5b89\u8defODDR\u7ed3\u6784\" width=\"400\" height=\"200\" \/><\/p>\n<h3>\u56db\u3001\u4e2a\u4eba\u58f0\u660e<\/h3>\n<p>\u2002\u2002\u2002\u2002\u672c\u6587\u7531\u4e2a\u4eba\u6574\u7406\u3001\u521b\u4f5c&#xff0c;\u65e8\u5728\u8fdb\u884c\u4e2a\u4eba\u5b66\u4e60\u3001\u7814\u7a76\u6216\u8bb0\u5f55&#xff0c;\u4e0d\u7528\u4e8e\u4efb\u4f55\u5546\u4e1a\u6027\u884c\u4e3a&#xff0c;\u6587\u4e2d\u90e8\u5206\u5185\u5bb9\u53c2\u8003\u4ee5\u4e0b\u8d44\u6599&#xff1a;<\/p>\n<ul>\n<li>Xilinx Inc. 7 Series FPGA SelectIO Resources User Guide(UG471).<\/li>\n<li>Anlogic Inc. SF1 FPGA IO\u7528\u6237\u6307\u5357&#xff08;TN805&#xff09;.<\/li>\n<li>Gowin Inc. \u53ef\u7f16\u7a0b\u901a\u7528\u7ba1\u811a\u7528\u6237\u6307\u5357&#xff08;UG289&#xff09;.<\/li>\n<\/ul>\n<p>\u2002\u2002\u2002\u2002\u672c\u6587\u5f15\u7528\u7684\u4efb\u4f55\u7b2c\u4e09\u65b9\u8d44\u6599&#xff0c;\u5176\u77e5\u8bc6\u4ea7\u6743&#xff08;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u8457\u4f5c\u6743\u3001\u5546\u6807\u6743\u7b49&#xff09;\u5747\u5f52\u539f\u4f5c\u8005\u6216\u539f\u59cb\u6743\u5229\u4eba\u6240\u6709\u3002\u672c\u6587\u5bf9\u8fd9\u4e9b\u5185\u5bb9\u4e0d\u4e3b\u5f20\u4efb\u4f55\u6743\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55 \u4e00\u3001\u524d\u8a00\u4e8c\u3001\u57fa\u672c\u539f\u7406\u4e09\u3001\u8865\u5145\u5185\u5bb9\u56db\u3001\u4e2a\u4eba\u58f0\u660e \u4e00\u3001\u524d\u8a00 \u672c\u6587\u662fFPGA IDDR\u57fa\u672c\u539f\u7406\u7684\u59ca\u59b9\u7bc7&#xff0c;\u5efa\u8bae\u5148\u9605\u8bfbIDDR\u539f\u7406\u90e8\u5206\u5185\u5bb9\u3002<br \/>\n\u4e8c\u3001\u57fa\u672c\u539f\u7406 IDDR\u901a\u8fc7\u4e24\u4e2a\u5bc4\u5b58\u5668\u5206\u522b\u91c7\u96c6\u65f6\u949f\u4e0a\u5347\u6cbf\u548c\u4e0b\u964d\u6cbf\u7684\u6570\u636e\u4fe1\u53f7\u5b9e\u73b0\u53cc\u8fb9\u6cbf\u6570\u636e\u8f6c\u5316\u4e3a\u5355\u8fb9\u6cbf\u6570\u636e&#xff08;\u8be6\u89c1\u6587\u7ae0\u300aIDDR\u57fa\u672c\u539f\u7406\u300b&#xff09;\u3002\u800cODDR\u53ef\u89c6\u4e3aIDDR\u7684\u9006\u64cd\u4f5c&#xff0c;\u540c\u6837\u91c7\u7528\u53cc\u5bc4\u5b58\u5668\u7ed3\u6784&#xff1a;\u4e00\u4e2a\u5bc4\u5b58\u5668\u5728\u65f6\u949f\u4e0a\u5347\u6cbf\u8f93\u51fa\u6570\u636e&#xff0c;\u53e6\u4e00\u4e2a\u5728\u4e0b\u964d\u6cbf\u8f93\u51fa\u6570\u636e&amp;#x<\/p>\n","protected":false},"author":2,"featured_media":65944,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[941],"topic":[],"class_list":["post-65948","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-fpga"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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