{"id":4088,"date":"2025-09-04T13:58:07","date_gmt":"2025-09-04T05:58:07","guid":{"rendered":"https:\/\/rohs.ac.cn\/?p=4088"},"modified":"2025-09-04T13:58:07","modified_gmt":"2025-09-04T05:58:07","slug":"%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%bb%84%e6%88%90%e5%8e%9f%e7%90%86mdr%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/rohs.ac.cn\/?p=4088","title":{"rendered":"\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406mdr\u662f\u4ec0\u4e48"},"content":{"rendered":"<p><strong>\u4e00\u3001\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406MDR\u662f\u4ec0\u4e48\uff1a\u6df1\u5165\u89e3\u6790\u5185\u5b58\u6570\u636e\u5bc4\u5b58\u5668<\/strong><\/p>\n<p>\u5728\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u7684\u5b66\u4e60\u4e2d\uff0cMDR\uff08Memory Data Register\uff09\u662f\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u4f5c\u4e3a\u8ba1\u7b97\u673a\u4f53\u7cfb\u7ed3\u6784\u4e2d\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u627f\u62c5\u7740\u6570\u636e\u4e2d\u8f6c\u4e0e\u6682\u5b58\u7684\u5173\u952e\u804c\u80fd\u3002\u7b80\u5355\u6765\u8bf4\uff0cMDR\u662fCPU\u5185\u90e8\u7684\u4e00\u4e2a\u4e13\u7528\u5bc4\u5b58\u5668\uff0c\u4e3b\u8981\u7528\u4e8e\u5728CPU\u548c\u4e3b\u5b58\u50a8\u5668\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u65f6\u5145\u5f53\u7f13\u51b2\u533a\u57df\u3002\u5f53CPU\u9700\u8981\u4ece\u5185\u5b58\u8bfb\u53d6\u6570\u636e\u6216\u5411\u5185\u5b58\u5199\u5165\u6570\u636e\u65f6\uff0c\u6240\u6709\u901a\u8fc7\u6570\u636e\u603b\u7ebf\u4f20\u8f93\u7684\u4fe1\u606f\u90fd\u5fc5\u987b\u7ecf\u8fc7MDR\u8fdb\u884c\u4e34\u65f6\u5b58\u50a8\u548c\u5904\u7406\u3002\u7406\u89e3MDR\u7684\u529f\u80fd\u548c\u5de5\u4f5c\u539f\u7406\uff0c\u4e0d\u4ec5\u6709\u52a9\u4e8e\u638c\u63e1\u8ba1\u7b97\u673a\u6570\u636e\u6d41\u52a8\u7684\u57fa\u672c\u673a\u5236\uff0c\u8fd8\u80fd\u6df1\u5316\u5bf9\u8ba1\u7b97\u673a\u6574\u4f53\u8fd0\u884c\u6548\u7387\u7684\u7406\u89e3\u3002<\/p>\n<\/p>\n<p>\u4ece\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u7684\u89d2\u5ea6\u6765\u770b\uff0cMDR\u901a\u5e38\u4e0eMAR\uff08Memory Address Register\uff09\u534f\u540c\u5de5\u4f5c\uff0c\u4e8c\u8005\u5171\u540c\u6784\u6210CPU\u4e0e\u4e3b\u5b58\u4ea4\u4e92\u7684\u6865\u6881\u3002MAR\u8d1f\u8d23\u5b58\u50a8\u8981\u8bbf\u95ee\u7684\u5185\u5b58\u5730\u5740\uff0c\u800cMDR\u5219\u4e13\u95e8\u5904\u7406\u4e0e\u8be5\u5730\u5740\u76f8\u5173\u7684\u6570\u636e\u5185\u5bb9\u3002\u4f8b\u5982\uff0c\u5f53CPU\u6267\u884c\u4e00\u6761\u4ece\u5185\u5b58\u52a0\u8f7d\u6570\u636e\u7684\u6307\u4ee4\u65f6\uff0c\u9996\u5148\u5c06\u76ee\u6807\u5730\u5740\u5b58\u5165MAR\uff0c\u7136\u540e\u5185\u5b58\u5355\u5143\u6839\u636e\u8be5\u5730\u5740\u5c06\u6570\u636e\u53d1\u9001\u5230\u6570\u636e\u603b\u7ebf\u4e0a\uff0c\u6b64\u65f6MDR\u4f1a\u6355\u83b7\u5e76\u6682\u5b58\u8fd9\u4e9b\u6570\u636e\uff0c\u6700\u540eCPU\u518d\u4eceMDR\u4e2d\u8bfb\u53d6\u6570\u636e\u5230\u5176\u4ed6\u5bc4\u5b58\u5668\u6216\u8fd0\u7b97\u5355\u5143\u3002\u8fd9\u79cd\u5206\u5de5\u534f\u4f5c\u7684\u8bbe\u8ba1\uff0c\u6709\u6548\u4f18\u5316\u4e86\u6570\u636e\u8bbf\u95ee\u7684\u6d41\u7a0b\uff0c\u63d0\u9ad8\u4e86\u8ba1\u7b97\u673a\u7684\u6267\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n<p>MDR\u7684\u5927\u5c0f\uff08\u5373\u4f4d\u6570\uff09\u76f4\u63a5\u51b3\u5b9a\u4e86\u5355\u6b21\u6570\u636e\u4ea4\u6362\u7684\u91cf\uff0c\u8fd9\u901a\u5e38\u4e0e\u8ba1\u7b97\u673a\u7684\u5b57\u957f\u76f8\u5173\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a32\u4f4d\u7cfb\u7edf\u4e2d\uff0cMDR\u7684\u5bb9\u91cf\u4e00\u822c\u4e3a32\u4f4d\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u6bcf\u6b21\u53ef\u4ee5\u5904\u74064\u5b57\u8282\u7684\u6570\u636e\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f97\u6570\u636e\u4f20\u8f93\u4e0e\u5904\u7406\u66f4\u52a0\u9ad8\u6548\uff0c\u51cf\u5c11\u4e86\u591a\u6b21\u8bbf\u95ee\u5185\u5b58\u7684\u9700\u6c42\uff0c\u4ece\u800c\u63d0\u5347\u4e86\u6574\u4f53\u6027\u80fd\u3002\u6b64\u5916\uff0cMDR\u5728\u5199\u5165\u64cd\u4f5c\u65f6\u4e5f\u626e\u6f14\u7c7b\u4f3c\u89d2\u8272\uff1aCPU\u5c06\u5f85\u5199\u5165\u7684\u6570\u636e\u5148\u653e\u5165MDR\uff0c\u7136\u540e\u901a\u8fc7\u63a7\u5236\u4fe1\u53f7\u89e6\u53d1\u5185\u5b58\u5199\u5165\u64cd\u4f5c\uff0c\u5c06MDR\u4e2d\u7684\u6570\u636e\u5b58\u50a8\u5230\u6307\u5b9a\u5730\u5740\u3002<\/p>\n<\/p>\n<p>\u5728\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u4e2d\uff0cMDR\u7684\u4f5c\u7528\u8fdc\u4e0d\u6b62\u4e8e\u7b80\u5355\u7684\u6570\u636e\u6682\u5b58\u3002\u5b83\u8fd8\u6d89\u53ca\u5230\u6570\u636e\u5bf9\u9f50\u3001\u9519\u8bef\u68c0\u6d4b\u4ee5\u53ca\u65f6\u5e8f\u63a7\u5236\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e9b\u7cfb\u7edf\u4e2d\uff0cMDR\u53ef\u80fd\u4f1a\u96c6\u6210\u6821\u9a8c\u673a\u5236\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5b8c\u6574\u6027\u3002\u540c\u65f6\uff0cMDR\u7684\u8fd0\u4f5c\u4e0e\u8ba1\u7b97\u673a\u7684\u65f6\u949f\u5468\u671f\u7d27\u5bc6\u76f8\u5173\uff0c\u6bcf\u4e2a\u8bfb\u5199\u64cd\u4f5c\u90fd\u5fc5\u987b\u5728\u7279\u5b9a\u7684\u65f6\u949f\u8109\u51b2\u5185\u5b8c\u6210\uff0c\u8fd9\u4f53\u73b0\u4e86\u8ba1\u7b97\u673a\u8bbe\u8ba1\u4e2d\u5bf9\u65f6\u5e8f\u7cbe\u786e\u6027\u7684\u9ad8\u8981\u6c42\u3002\u7406\u89e3\u8fd9\u4e9b\u7ec6\u8282\uff0c\u5bf9\u4e8e\u6df1\u5165\u5b66\u4e60\u8ba1\u7b97\u673a\u67b6\u6784\u548c\u4f18\u5316\u7a0b\u5e8f\u6027\u80fd\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0cMDR\u662f\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u4e2d\u4e00\u4e2a\u57fa\u7840\u4f46\u4e0d\u53ef\u6216\u7f3a\u7684\u5143\u4ef6\uff0c\u5b83\u4f53\u73b0\u4e86\u8ba1\u7b97\u673a\u8bbe\u8ba1\u4e2d\u201c\u89e3\u8026\u201d\u4e0e\u201c\u6548\u7387\u201d\u7684\u601d\u60f3\u3002\u901a\u8fc7\u5c06\u5730\u5740\u4e0e\u6570\u636e\u5206\u5f00\u5904\u7406\uff0cMDR\u548cMAR\u534f\u540c\u964d\u4f4e\u4e86\u7cfb\u7edf\u7684\u590d\u6742\u6027\uff0c\u540c\u65f6\u63d0\u9ad8\u4e86\u6570\u636e\u5904\u7406\u7684\u53ef\u9760\u6027\u3002\u5bf9\u4e8e\u5b66\u4e60\u8ba1\u7b97\u673a\u79d1\u5b66\u6216\u5de5\u7a0b\u7684\u5b66\u751f\u6765\u8bf4\uff0c\u638c\u63e1MDR\u7684\u6982\u5ff5\u4e0d\u4ec5\u6709\u52a9\u4e8e\u901a\u8fc7\u76f8\u5173\u8003\u8bd5\uff0c\u66f4\u80fd\u4e3a\u540e\u7eed\u7406\u89e3\u7f13\u5b58\u673a\u5236\u3001\u603b\u7ebf\u8bbe\u8ba1\u4e43\u81f3\u73b0\u4ee3\u5904\u7406\u5668\u67b6\u6784\u6253\u4e0b\u575a\u5b9e\u57fa\u7840\u3002<\/p>\n<\/p>\n<p>\u514d\u8d23\u58f0\u660e\uff1a\u672c\u6587\u5185\u5bb9\u4ec5\u4f9b\u53c2\u8003\uff0c\u4f5c\u8005\u53ca\u53d1\u5e03\u5e73\u53f0\u4e0d\u5bf9\u56e0\u53c2\u8003\u672c\u6587\u5185\u5bb9\u800c\u4ea7\u751f\u7684\u4efb\u4f55\u8d23\u4efb\u8d1f\u8d23\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406MDR\u662f\u4ec0\u4e48\uff1a\u6df1\u5165\u89e3\u6790\u5185\u5b58\u6570\u636e\u5bc4\u5b58\u5668 \u5728\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u7684\u5b66\u4e60\u4e2d\uff0cMDR\uff08Memory Dat [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[412],"class_list":["post-4088","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-mdr"],"_links":{"self":[{"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/posts\/4088","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4088"}],"version-history":[{"count":0,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/posts\/4088\/revisions"}],"wp:attachment":[{"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}