{"id":7828,"date":"2024-07-04T19:01:01","date_gmt":"2024-07-04T11:01:01","guid":{"rendered":""},"modified":"2024-07-04T19:01:01","modified_gmt":"2024-07-04T11:01:01","slug":"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387","status":"publish","type":"post","link":"https:\/\/mushiming.com\/7828.html","title":{"rendered":"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<h4>\u7b2c\u516b\u8bfe Quick Timing Models<\/h4>\n<h5>Overview<\/h5>\n<p>QTM\u7528\u4e8e\u4e3a<strong>\u6ca1\u6709\u95e8\u7ea7\u7f51\u8868<\/strong>\u7684\u6a21\u5757\u5efa\u7acb\u65f6\u5e8f\u6a21\u578b\uff0c\u4f46\u662f\u4ecd\u7136\u6709\u4e00\u5b9a\u7684\u65f6\u5e8f\u7279\u6027\uff0c\u76f8\u5f53\u4e8e\u9ed1\u76d2\u5b50\u3002<br \/> \u5e38\u7528\u4e8e\u4f9b\u7cfb\u7edf\u5de5\u7a0b\u5e08\u5728\u5e03\u5c40\u6216\u8005\u9876\u5c42\u7535\u8def\u7684\u65f6\u5e8f\u5206\u6790\u65f6\u4f7f\u7528\uff0c\u6b64\u65f6HDL\u4ee3\u7801\u8fd8\u6ca1\u6709\u5f00\u59cb\u7f16\u5199\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u7b2c\u4e09\u65b9\u63d0\u4f9b\u7684IP\u6838\uff0c\u65e0\u6cd5\u67e5\u770b\u5185\u90e8\u7535\u8def\u7ed3\u6784\u3002<br \/> <img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/a04d3674e6384f43bde7c38c046dc554.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387 (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<ul>\n<li>Create QTMs<br \/> QTM\u662f\u7528PT\u7684\u811a\u672c\u6784\u9020\u51fa\u6765\u7684\uff0c\u811a\u672c\u7684\u547d\u4ee4\u5f53\u4e2d\u5305\u62ec\u4ee5\u4e0b\u5185\u5bb9\uff1a<br \/> <img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/ca3d98177a044e89964986e57ccce2c7.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387 (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u5ef6\u8fdf\u53ef\u4ee5\u7528\u65f6\u95f4\uff08\u4f8b\u59822ns\uff09\uff0c\u6216\u8005\u7528\u5177\u4f53\u7684cell\u8868\u793a\u3002<\/li>\n<\/ul>\n<h5>Example<\/h5>\n<ul>\n<li>\n<p>4-bit\u5bbd\u5ea6\u7684\u540c\u6b65\u52a0\u6cd5\u5668\/\u51cf\u6cd5\u5668<br \/> <img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/15e1eeeda8ef4212bff92ef8e04cf5df.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387 (https:\/\/mushiming.com\/)  \u7b2c3\u5f20\" title=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387  \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u7f16\u5199QTM\u65f6\uff0c\u53ef\u4ee5\u6307\u5b9a\u5177\u4f53\u7684pin\u811a\u5230pin\u811a\u7684\u5ef6\u8fdf\u3002<br \/> \u6b64\u6a21\u5757\u7684\u53c2\u6570\u5982\u4e0b\uff1a<br \/> <img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/2bb89e416ca947279a7118374b33b47c.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387 (https:\/\/mushiming.com\/)  \u7b2c4\u5f20\" title=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387  \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<\/li>\n<li>\n<p>\u811a\u672c\u7f16\u5199<\/p>\n<\/li>\n<\/ul>\n<pre class=\"language-java prettyprint linenums\"><code>#1.\u5199\u51fa\u6a21\u5757\u540d\u5b57 create_qtm_odel ADDSUB #2.\u5b9a\u4e49IO\u7aef\u53e3 create_qtm_port {Clk} -type clock create_qtm_port {A[3:0] B[3:0] add_subN} -type input create_qtm_port {Y[3:0] carry_borrow} -type output #3.\u5b9a\u4e49\u8f93\u5165\u7aef\u53e3\u7684\u5ef6\u65f6\u548c\u8d1f\u8f7d set_qtm_global_parameter -param setup -value 0.0 create_qtm_constraint_arc -setup -from Clk \\ -to {A[3:0] B[3:0] add_subN} -value 2.0 -edge rise set_qtm_port_load {Clk A[3:0] B[3:0] add_subN \\ -value 0.05 #4.\u5b9a\u4e49\u8f93\u51fa\u7aef\u53e3\u7684\u5ef6\u65f6\u548c\u9a71\u52a8\u5f3a\u5ea6 set_qtm_global_parameter -param clk_to_output -value 0.0 create_qtm_delay_arc -from Clk \\ -to {Y[3:0] carry_borrow} -value 0.5 -edge rise set_qtm_port_load {Y[3:0] carry_borrow} -value 0.05 #5.\u8f93\u51fa\u62a5\u544a\uff0c\u68c0\u67e5QTM\u6a21\u578b\u7684\u6b63\u786e\u6027 redirect qtm.rpt report_qtm_model #6.\u4fdd\u5b58\u65f6\u5e8f\u6a21\u578b save_qtm_model <\/code><\/pre>\n<h5>Using QTMs<\/h5>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/fd7959c38a384713a159df25115294dd.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387 (https:\/\/mushiming.com\/)  \u7b2c5\u5f20\" title=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387  \u7b2c5\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> QTM\u6a21\u578b\u5728PT\u4e2d\u4f7f\u7528\u5b58\u50a8\u547d\u4ee4\u540e\u4fdd\u5b58\u4e3a.db\u6587\u4ef6\uff0c\u53ef\u4ee5\u770b\u5230\u6587\u4ef6\u5c5e\u6027\u662f\u9ed1\u76d2\u5b50\u7684QTM<\/p>\n<p>\u52a0\u8f7d\u6a21\u578b\u7684\u65b9\u5f0f\uff1a<br \/> <img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/733aab1f565d4755a7227069d06ce10b.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387 (https:\/\/mushiming.com\/)  \u7b2c6\u5f20\" title=\"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387  \u7b2c6\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<ul>\n<li>\u5176\u5b83<br \/> gzip\u547d\u4ee4\u53ef\u4ee5\u538b\u7f29\u6587\u4ef6\u5230\u539f\u6765\u7684\u5341\u5206\u4e4b\u4e00<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"\u9759\u6001\u65f6\u5e8f\u5206\u6790\u57fa\u7840_\u9759\u6001\u65f6\u5e8f\u5206\u6790\u6700\u5927\u9891\u7387\u7b2c\u516b\u8bfeQuickTimingModelsOverviewQTM\u7528\u4e8e\u4e3a\u6ca1\u6709\u95e8\u7ea7\u7f51\u8868\u7684\u6a21\u5757\u5efa\u7acb\u65f6\u5e8f\u6a21\u578b\uff0c\u4f46\u662f\u4ecd\u7136...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/7828"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=7828"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/7828\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=7828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=7828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=7828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}