{"id":102478,"date":"2026-09-08T21:57:14","date_gmt":"2026-09-08T13:57:14","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/102478.html"},"modified":"2026-09-08T21:57:14","modified_gmt":"2026-09-08T13:57:14","slug":"119-%e5%9f%ba%e4%ba%8e-400mhz-%e9%ab%98%e9%80%9f%e6%97%b6%e9%92%9f%e7%9a%84-fpga-ddr3-%e6%8e%a7%e5%88%b6%e5%99%a8%e6%9e%b6%e6%9e%84%e8%ae%be%e8%ae%a1%e4%b8%8e%e6%97%b6%e5%ba%8f%e9%97%ad%e7%8e%af","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/102478.html","title":{"rendered":"119.\u57fa\u4e8e 400MHz \u9ad8\u901f\u65f6\u949f\u7684 FPGA DDR3 \u63a7\u5236\u5668\u67b6\u6784\u8bbe\u8ba1\u4e0e\u65f6\u5e8f\u95ed\u73af"},"content":{"rendered":"<p>\u6458\u8981<\/p>\n<p>\u63a5\u53e3\u8bbe\u8ba1\u662fFPGA\u5de5\u7a0b\u843d\u5730\u7684\u6838\u5fc3\u74f6\u9888\u3002\u672c\u6587\u4ee5DDR3\u63a7\u5236\u5668\u63a5\u53e3\u4e3a\u5bf9\u8c61\uff0c\u4ece\u7269\u7406\u5c42\u65f6\u5e8f\u53c2\u6570\u51fa\u53d1\uff0c\u63a8\u5bfc\u51fa\u63a7\u5236\u5668\u72b6\u6001\u673a\u8bbe\u8ba1\u65b9\u6cd5\uff0c\u7ed9\u51fa\u5b8c\u6574\u7684RTL\u4ee3\u7801\u4e0eTestbench\uff0c\u5e76\u9488\u5bf9\u5b9e\u9645\u8c03\u8bd5\u4e2d\u5e38\u89c1\u7684\u65f6\u5e8f\u6536\u655b\u5931\u8d25\u3001\u8bfb\u5199\u6570\u636e\u4e0d\u4e00\u81f4\u7b49\u95ee\u9898\u7ed9\u51fa\u7cfb\u7edf\u6027\u6392\u67e5\u7b56\u7565\u3002\u5168\u6587\u57fa\u4e8eXilinx Artix-7\u5e73\u53f0\uff0c\u6240\u6709\u4ee3\u7801\u5747\u901a\u8fc7Vivado 2019.1\u7efc\u5408\u4e0e\u4eff\u771f\u9a8c\u8bc1\uff0c\u53ef\u76f4\u63a5\u79fb\u690d\u81f3\u5176\u4ed6\u4e3b\u6d41FPGA\u5e73\u53f0\u3002<\/p>\n<p>\u5e94\u7528\u573a\u666f<\/p>\n<p>DDR3\u63a5\u53e3\u5e7f\u6cdb\u5b58\u5728\u4e8e\u4ee5\u4e0b\u7cfb\u7edf\u4e2d\uff1a<\/p>\n<ul>\n<li>\u9ad8\u901f\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\uff08ADC\u91c7\u6837\u7387\u8d85\u8fc7100MSPS\u65f6\uff0c\u9700\u8981\u5927\u5bb9\u91cf\u7f13\u5b58\uff09<\/li>\n<li>\u56fe\u50cf\u5904\u7406\u6d41\u6c34\u7ebf\uff08\u5e27\u7f13\u5b58\u3001\u884c\u7f13\u5b58\u5207\u6362\uff09<\/li>\n<li>\u8f6f\u4ef6\u65e0\u7ebf\u7535\u57fa\u5e26\u5904\u7406\uff08\u591a\u901a\u9053IQ\u6570\u636e\u7f13\u51b2\uff09<\/li>\n<li>\u4ee5\u592a\u7f51MAC\u4e0ePHY\u4e4b\u95f4\u7684\u6570\u636e\u5305\u7f13\u5b58<\/li>\n<\/ul>\n<p>\u4e0a\u8ff0\u573a\u666f\u7684\u5171\u540c\u7279\u5f81\u662f\uff1a\u6570\u636e\u541e\u5410\u91cf\u5927\u4e8e1Gbps\uff0c\u4e14\u5bf9\u8bfb\u5199\u5ef6\u8fdf\u6709\u786e\u5b9a\u6027\u8981\u6c42\u3002FPGA\u5185\u90e8Block RAM\u5bb9\u91cf\u6709\u9650\uff08Artix-7\u6700\u59273.8Mb\uff09\uff0c\u65e0\u6cd5\u6ee1\u8db3\u5927\u5bb9\u91cf\u7f13\u5b58\u9700\u6c42\uff0c\u5fc5\u987b\u5916\u6302DDR3\u9897\u7c92\u3002<\/p>\n<p>\u6838\u5fc3\u539f\u7406<\/p>\n<li>\u7269\u7406\u5c42\u65f6\u5e8f\u6a21\u578b<\/li>\n<p>DDR3\u91c7\u7528\u6e90\u540c\u6b65\u63a5\u53e3\uff0c\u6570\u636e\u4e0eDQS\u4fe1\u53f7\u5728\u9897\u7c92\u5185\u90e8\u540c\u6b65\u8f93\u51fa\u3002FPGA\u4fa7\u5fc5\u987b\u4fdd\u8bc1\uff1a<\/p>\n<ul>\n<li>tDQSS\uff08DQS\u4e0eCK\u7684\u5efa\u7acb\u65f6\u95f4\uff09\uff1a\u6700\u5c0f\u503c\u4e3atCK\u768425%\uff0c\u6700\u5927\u503c\u4e3atCK\u7684125%<\/li>\n<li>tDS\/tDH\uff08\u6570\u636e\u5efa\u7acb\/\u4fdd\u6301\u65f6\u95f4\uff09\uff1a\u5178\u578b\u503c50ps\/50ps\uff08DDR3-1600\uff09<\/li>\n<\/ul>\n<p>\u8fd9\u610f\u5473\u7740FPGA\u5185\u90e8\u903b\u8f91\u65e0\u6cd5\u76f4\u63a5\u9a71\u52a8\u5916\u90e8DDR3\uff0c\u5fc5\u987b\u901a\u8fc7\u4e13\u7528IO SerDes\uff08ISERDESE2\/OSERDESE2\uff09\u8fdb\u884c\u5e76\u884c-\u4e32\u884c\u8f6c\u6362\u3002Artix-7\u7684IO Bank\u652f\u6301DDR3\u63a5\u53e3\uff0c\u5176\u5185\u90e8\u7ed3\u6784\u5305\u542b\uff1a<\/p>\n<ul>\n<li>IDELAYE2\uff1a\u53ef\u7f16\u7a0b\u5ef6\u8fdf\u94fe\uff0c\u6b65\u8fdb78ps\uff08\u53c2\u8003\u65f6\u949f200MHz\u65f6\uff09<\/li>\n<li>ISERDESE2\uff1a1:4\/1:8\u89e3\u4e32\u5668\uff0c\u652f\u6301DDR\u6a21\u5f0f<\/li>\n<li>OSERDESE2\uff1a4:1\/8:1\u4e32\u884c\u5668\uff0c\u652f\u6301DDR\u6a21\u5f0f<\/li>\n<\/ul>\n<li>\u63a7\u5236\u5668\u72b6\u6001\u673a\u8bbe\u8ba1<\/li>\n<p>DDR3\u64cd\u4f5c\u9075\u5faa\u4e25\u683c\u7684\u65f6\u5e8f\u7ea6\u675f\uff0c\u63a7\u5236\u5668\u72b6\u6001\u673a\u5fc5\u987b\u5305\u542b\u4ee5\u4e0b\u72b6\u6001\uff1a<\/p>\n<ul>\n<li>IDLE\uff1a\u7b49\u5f85\u547d\u4ee4<\/li>\n<li>ACT\uff1a\u6fc0\u6d3b\u884c\uff08tRCD\u5ef6\u65f6\uff09<\/li>\n<li>READ\/WRITE\uff1a\u8bfb\u5199\u64cd\u4f5c\uff08CAS\u5ef6\u65f6CL\uff09<\/li>\n<li>PRE\uff1a\u9884\u5145\u7535\uff08tRP\u5ef6\u65f6\uff09<\/li>\n<li>REF\uff1a\u5237\u65b0\uff08tRFC\u5ef6\u65f6\uff09<\/li>\n<\/ul>\n<p>\u5173\u952e\u65f6\u5e8f\u53c2\u6570\uff08DDR3-1600\uff0cCL=11\uff09\uff1a<\/p>\n<ul>\n<li>tRCD = 13.91ns\uff08\u7ea67\u4e2a\u65f6\u949f\u5468\u671f@400MHz\uff09<\/li>\n<li>tRP = 13.91ns<\/li>\n<li>tRFC = 260ns\uff08\u7ea6104\u4e2a\u65f6\u949f\u5468\u671f\uff09<\/li>\n<li>tRC = 46.15ns\uff08\u7ea623\u4e2a\u65f6\u949f\u5468\u671f\uff09<\/li>\n<\/ul>\n<li>\u5730\u5740\u6620\u5c04\u7b56\u7565<\/li>\n<p>\u4e3a\u6700\u5927\u5316\u5e26\u5bbd\u5229\u7528\u7387\uff0c\u91c7\u7528Bank-Bank-Row-Column\u6620\u5c04\uff1a<\/p>\n<ul>\n<li>\u5c06\u7a81\u53d1\u957f\u5ea68\uff08BL8\uff09\u7684\u8fde\u7eed\u6570\u636e\u6620\u5c04\u5230\u540c\u4e00\u884c\u4e0d\u540c\u5217<\/li>\n<li>\u4e0d\u540cBank\u53ef\u5e76\u884c\u9884\u5145\u7535\u4e0e\u6fc0\u6d3b<\/li>\n<li>\u5730\u5740\u4f4d\u5206\u914d\uff1aA[2:0]\u5217\u5185\u504f\u79fb\uff0cA[12:3]\u5217\u5730\u5740\uff0cA[15:13]Bank\uff0cA[28:16]\u884c\u5730\u5740<\/li>\n<\/ul>\n<p>\u8be6\u7ec6\u6b65\u9aa4<\/p>\n<p>\u6b65\u9aa41\uff1a\u786c\u4ef6\u5e73\u53f0\u786e\u8ba4<\/p>\n<p>\u786e\u8ba4FPGA\u578b\u53f7\u4e0eDDR3\u9897\u7c92\u53c2\u6570\uff1a<\/p>\n<ul>\n<li>FPGA\uff1aXC7A35T-2CSG324<\/li>\n<li>DDR3\uff1aMT41K256M16HA-125\uff08512MB\uff0c16bit\u6570\u636e\u4f4d\u5bbd\uff09<\/li>\n<li>\u63a5\u53e3\u65f6\u949f\uff1a400MHz\uff08DDR3-800\uff0c\u5b9e\u9645\u6570\u636e\u7387800Mbps\uff09<\/li>\n<\/ul>\n<p>\u6b65\u9aa42\uff1a\u521b\u5efaVivado\u5de5\u7a0b<\/p>\n<li>\u521b\u5efa\u5de5\u7a0b\uff0c\u9009\u62e9\u82af\u7247\u578b\u53f7<\/li>\n<li>\u6dfb\u52a0\u7ea6\u675f\u6587\u4ef6\uff0c\u5206\u914dDDR3\u5f15\u811a\uff08\u4f7f\u7528\u5382\u5546\u63d0\u4f9b\u7684XDC\u6a21\u677f\uff09<\/li>\n<li>\u8bbe\u7f6e\u65f6\u949f\u7ea6\u675f\uff1a\u521b\u5efa400MHz\u5dee\u5206\u65f6\u949f\uff0c\u7ea6\u675f\u8f93\u5165\u65f6\u949f\u4e3a200MHz<\/li>\n<p>\u6b65\u9aa43\uff1a\u8bbe\u8ba1\u9876\u5c42\u6a21\u5757<\/p>\n<p>\u9876\u5c42\u6a21\u5757\u5305\u542b\uff1a<\/p>\n<ul>\n<li>\u65f6\u949f\u7ba1\u7406\u5355\u5143\uff08MMCM\/PLL\uff09\uff1a\u4ea7\u751f400MHz\u63a5\u53e3\u65f6\u949f\u548c200MHz\u7528\u6237\u903b\u8f91\u65f6\u949f<\/li>\n<li>\u63a7\u5236\u5668\u72b6\u6001\u673a<\/li>\n<li>\u6570\u636e\u901a\u8def\uff08\u5199\u6570\u636eFIFO\uff0c\u8bfb\u6570\u636eFIFO\uff09<\/li>\n<li>\u7269\u7406\u5c42\u63a5\u53e3\uff08\u8fde\u63a5ISERDESE2\/OSERDESE2\uff09<\/li>\n<\/ul>\n<p>\u6b65\u9aa44\uff1a\u7f16\u5199RTL\u4ee3\u7801<\/p>\n<p>\u6b65\u9aa45\uff1a\u4eff\u771f\u9a8c\u8bc1<\/p>\n<p>\u7f16\u5199Testbench\u6a21\u62dfDDR3\u9897\u7c92\u884c\u4e3a\u6a21\u578b\uff0c\u9a8c\u8bc1\u8bfb\u5199\u65f6\u5e8f\u3002<\/p>\n<p>\u6b65\u9aa46\uff1a\u4e0a\u677f\u8c03\u8bd5<\/p>\n<p>\u4f7f\u7528ILA\uff08\u96c6\u6210\u903b\u8f91\u5206\u6790\u4eea\uff09\u6293\u53d6\u5173\u952e\u4fe1\u53f7\uff0c\u9a8c\u8bc1\u5b9e\u9645\u65f6\u5e8f\u3002<\/p>\n<p>\u5b8c\u6574\u53ef\u8fd0\u884c\u4ee3\u7801<\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u4e3aDDR3\u63a7\u5236\u5668\u6838\u5fc3\u6a21\u5757\uff0c\u91c7\u7528\u4e09\u6bb5\u5f0f\u72b6\u6001\u673a\u8bbe\u8ba1\uff0c\u652f\u6301\u8fde\u7eed\u5199\u8bfb\u64cd\u4f5c\u3002<\/p>\n<p>\/\/ ddr3_controller.v<br \/>\n\/\/ DDR3\u63a7\u5236\u5668\u9876\u5c42\u6a21\u5757<br \/>\n\/\/ \u652f\u6301BL8\u7a81\u53d1\u8bfb\u5199\uff0c16bit\u6570\u636e\u4f4d\u5bbd<br \/>\n\/\/ \u63a5\u53e3\u65f6\u949f400MHz\uff0c\u7528\u6237\u65f6\u949f200MHz<\/p>\n<p>`timescale 1ns\/1ps<\/p>\n<p>module ddr3_controller #(<br \/>\n    parameter DATA_WIDTH = 16,<br \/>\n    parameter ADDR_WIDTH = 28,<br \/>\n    parameter BL_BITS    = 3  \/\/ \u7a81\u53d1\u957f\u5ea68\uff0c\u9700\u89813\u4f4d\u5217\u5185\u504f\u79fb<br \/>\n)(<br \/>\n    \/\/ \u7cfb\u7edf\u63a5\u53e3<br \/>\n    input  wire                 clk_200m,      \/\/ 200MHz\u53c2\u8003\u65f6\u949f<br \/>\n    input  wire                 rst_n,          \/\/ \u5f02\u6b65\u590d\u4f4d\uff0c\u4f4e\u6709\u6548<\/p>\n<p>    \/\/ \u7528\u6237\u63a5\u53e3<br \/>\n    input  wire                 wr_en,          \/\/ \u5199\u4f7f\u80fd<br \/>\n    input  wire [ADDR_<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6458\u8981<br \/>\n\u63a5\u53e3\u8bbe\u8ba1\u662fFPGA\u5de5\u7a0b\u843d\u5730\u7684\u6838\u5fc3\u74f6\u9888\u3002\u672c\u6587\u4ee5DDR3\u63a7\u5236\u5668\u63a5\u53e3\u4e3a\u5bf9\u8c61\uff0c\u4ece\u7269\u7406\u5c42\u65f6\u5e8f\u53c2\u6570\u51fa\u53d1\uff0c\u63a8\u5bfc\u51fa\u63a7\u5236\u5668\u72b6\u6001\u673a\u8bbe\u8ba1\u65b9\u6cd5\uff0c\u7ed9\u51fa\u5b8c\u6574\u7684RTL\u4ee3\u7801\u4e0eTestbench\uff0c\u5e76\u9488\u5bf9\u5b9e\u9645\u8c03\u8bd5\u4e2d\u5e38\u89c1\u7684\u65f6\u5e8f\u6536\u655b\u5931\u8d25\u3001\u8bfb\u5199\u6570\u636e\u4e0d\u4e00\u81f4\u7b49\u95ee\u9898\u7ed9\u51fa\u7cfb\u7edf\u6027\u6392\u67e5\u7b56\u7565\u3002\u5168\u6587\u57fa\u4e8eXilinx Artix-7\u5e73\u53f0\uff0c\u6240\u6709\u4ee3\u7801\u5747\u901a\u8fc7Vivado 2019.1\u7efc\u5408\u4e0e\u4eff\u771f\u9a8c\u8bc1\uff0c\u53ef\u76f4\u63a5\u79fb\u690d\u81f3\u5176\u4ed6\u4e3b\u6d41FPGA\u5e73\u53f0\u3002<br \/>\n\u5e94\u7528\u573a\u666f<br \/>\nDDR3\u63a5\u53e3\u5e7f\u6cdb\u5b58\u5728\u4e8e\u4ee5\u4e0b\u7cfb\u7edf\u4e2d\uff1a \u9ad8\u901f\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\uff08ADC\u91c7\u6837\u7387\u8d85\u8fc7100MSPS\u65f6<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[941],"topic":[],"class_list":["post-102478","post","type-post","status-publish","format-standard","hentry","category-server","tag-fpga"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>119.\u57fa\u4e8e 400MHz \u9ad8\u901f\u65f6\u949f\u7684 FPGA DDR3 \u63a7\u5236\u5668\u67b6\u6784\u8bbe\u8ba1\u4e0e\u65f6\u5e8f\u95ed\u73af - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/102478.html\" \/>\n<meta property=\"og:locale\" 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