{"id":3911,"date":"2025-09-04T13:57:56","date_gmt":"2025-09-04T05:57:56","guid":{"rendered":"https:\/\/rohs.ac.cn\/?p=3911"},"modified":"2025-09-04T13:57:56","modified_gmt":"2025-09-04T05:57:56","slug":"mdr%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%bb%84%e6%88%90%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/rohs.ac.cn\/?p=3911","title":{"rendered":"mdr\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406"},"content":{"rendered":"

MDR\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u662f\u8ba1\u7b97\u673a\u79d1\u5b66\u6559\u80b2\u4e2d\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\uff0c\u5b83\u6d89\u53ca\u8ba1\u7b97\u673a\u786c\u4ef6\u7cfb\u7edf\u7684\u57fa\u672c\u7ed3\u6784\u548c\u529f\u80fd\u6a21\u5757\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u3002<\/p>\n<\/p>\n

\u5728\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u7684\u8bfe\u7a0b\u4e2d\uff0cMDR\uff08Memory Data Register\uff0c\u5b58\u50a8\u5668\u6570\u636e\u5bc4\u5b58\u5668\uff09\u4f5c\u4e3a\u4e00\u4e2a\u5173\u952e\u7ec4\u4ef6\uff0c\u626e\u6f14\u7740\u6570\u636e\u4e34\u65f6\u5b58\u50a8\u548c\u4f20\u8f93\u7684\u91cd\u8981\u89d2\u8272\u3002<\/p>\n<\/p>\n

\u7406\u89e3MDR\u7684\u4f5c\u7528\u4e0d\u4ec5\u6709\u52a9\u4e8e\u6df1\u5165\u5b66\u4e60\u8ba1\u7b97\u673a\u5185\u90e8\u5de5\u4f5c\u539f\u7406\uff0c\u8fd8\u80fd\u4e3a\u540e\u7eed\u7684\u4f53\u7cfb\u7ed3\u6784\u3001\u64cd\u4f5c\u7cfb\u7edf\u7b49\u8bfe\u7a0b\u6253\u4e0b\u575a\u5b9e\u57fa\u7840\u3002<\/p>\n<\/p>\n

1. MDR\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u6982\u8ff0<\/strong><\/p>\n

MDR\u662f\u8ba1\u7b97\u673a\u4e2d\u592e\u5904\u7406\u5668\uff08CPU\uff09\u4e2d\u7684\u4e00\u4e2a\u5bc4\u5b58\u5668\uff0c\u4e3b\u8981\u7528\u4e8e\u5728CPU\u548c\u4e3b\u5b58\u50a8\u5668\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u65f6\u8fdb\u884c\u4e34\u65f6\u5b58\u50a8\u3002<\/p>\n<\/p>\n

\u5f53CPU\u9700\u8981\u4ece\u5185\u5b58\u8bfb\u53d6\u6570\u636e\u6216\u5411\u5185\u5b58\u5199\u5165\u6570\u636e\u65f6\uff0c\u6570\u636e\u4f1a\u5148\u88ab\u6682\u5b58\u5728MDR\u4e2d\uff0c\u4ee5\u786e\u4fdd\u64cd\u4f5c\u7684\u6b63\u786e\u6027\u548c\u65f6\u5e8f\u4e00\u81f4\u6027\u3002<\/p>\n<\/p>\n

\u5728\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u7684\u6559\u5b66\u4e2d\uff0cMDR\u5e38\u4e0eMAR\uff08Memory Address Register\uff0c\u5b58\u50a8\u5668\u5730\u5740\u5bc4\u5b58\u5668\uff09\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e24\u8005\u534f\u540c\u5de5\u4f5c\u5b8c\u6210\u5185\u5b58\u8bbf\u95ee\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n

2. MDR\u7684\u529f\u80fd\u4e0e\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n

MDR\u7684\u6838\u5fc3\u529f\u80fd\u662f\u4f5c\u4e3a\u6570\u636e\u7f13\u51b2\u5668\uff0c\u5728CPU\u6267\u884cload\u6216store\u6307\u4ee4\u65f6\u6682\u5b58\u6570\u636e\u503c\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff0c\u5f53CPU\u4ece\u5185\u5b58\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u5185\u5b58\u5355\u5143\u7684\u5185\u5bb9\u4f1a\u88ab\u4f20\u8f93\u5230MDR\uff0c\u7136\u540e\u518d\u7531MDR\u8f6c\u53d1\u5230CPU\u7684\u5176\u4ed6\u5bc4\u5b58\u5668\u6216\u8fd0\u7b97\u5355\u5143\u3002<\/p>\n<\/p>\n

\u7c7b\u4f3c\u5730\uff0c\u5f53CPU\u9700\u8981\u5411\u5185\u5b58\u5199\u5165\u6570\u636e\u65f6\uff0c\u5f85\u5199\u5165\u7684\u6570\u636e\u4f1a\u5148\u5b58\u5165MDR\uff0c\u7136\u540e\u7531\u5185\u5b58\u63a7\u5236\u5668\u6839\u636e\u5730\u5740\u5c06\u6570\u636e\u5199\u5165\u6307\u5b9a\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n

\u8fd9\u4e00\u8fc7\u7a0b\u6d89\u53ca\u65f6\u949f\u4fe1\u53f7\u3001\u63a7\u5236\u5355\u5143\u534f\u8c03\u4ee5\u53ca\u6570\u636e\u603b\u7ebf\u7684\u4f7f\u7528\uff0c\u662f\u8ba1\u7b97\u673a\u65f6\u5e8f\u63a7\u5236\u7684\u5173\u952e\u73af\u8282\u3002<\/p>\n<\/p>\n

3. MDR\u5728\u6307\u4ee4\u6267\u884c\u5468\u671f\u4e2d\u7684\u4f5c\u7528<\/strong><\/p>\n

\u5728\u7ecf\u5178\u7684\u51af\u00b7\u8bfa\u4f9d\u66fc\u4f53\u7cfb\u7ed3\u6784\u4e2d\uff0c\u6307\u4ee4\u6267\u884c\u5468\u671f\u5305\u62ec\u53d6\u6307\u3001\u8bd1\u7801\u3001\u6267\u884c\u7b49\u9636\u6bb5\uff0cMDR\u5728\u53d6\u6307\u548c\u6267\u884c\u9636\u6bb5\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u5728\u53d6\u6307\u9636\u6bb5\uff0c\u7a0b\u5e8f\u8ba1\u6570\u5668\uff08PC\uff09\u6307\u5411\u7684\u6307\u4ee4\u4ece\u5185\u5b58\u4e2d\u88ab\u53d6\u51fa\uff0c\u5176\u64cd\u4f5c\u7801\u90e8\u5206\u53ef\u80fd\u6682\u5b58\u4e8eMDR\u540e\u518d\u9001\u5165\u6307\u4ee4\u5bc4\u5b58\u5668\uff08IR\uff09\u3002<\/p>\n<\/p>\n

\u5728\u6267\u884c\u9636\u6bb5\uff0c\u82e5\u6307\u4ee4\u6d89\u53ca\u5185\u5b58\u64cd\u4f5c\u6570\uff0cMDR\u5219\u8d1f\u8d23\u6682\u5b58\u64cd\u4f5c\u6570\u6570\u636e\uff0c\u786e\u4fddALU\uff08\u7b97\u672f\u903b\u8f91\u5355\u5143\uff09\u80fd\u591f\u6b63\u786e\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<\/p>\n

\u8fd9\u79cd\u8bbe\u8ba1\u63d0\u9ad8\u4e86\u6570\u636e\u5904\u7406\u7684\u53ef\u9760\u6027\uff0c\u907f\u514d\u4e86\u56e0\u76f4\u63a5\u8bbf\u95ee\u5185\u5b58\u800c\u53ef\u80fd\u5f15\u53d1\u7684\u65f6\u5e8f\u51b2\u7a81\u95ee\u9898\u3002<\/p>\n<\/p>\n

4. MDR\u4e0e\u5176\u4ed6\u5bc4\u5b58\u5668\u7684\u5173\u7cfb<\/strong><\/p>\n

MDR\u5e76\u975e\u5b64\u7acb\u5de5\u4f5c\uff0c\u5b83\u4e0eMAR\u3001IR\u3001ACC\uff08\u7d2f\u52a0\u5668\uff09\u7b49\u5bc4\u5b58\u5668\u7d27\u5bc6\u914d\u5408\u3002<\/p>\n<\/p>\n

MAR\u8d1f\u8d23\u5b58\u50a8\u8981\u8bbf\u95ee\u7684\u5185\u5b58\u5730\u5740\uff0c\u800cMDR\u5219\u5b58\u50a8\u5bf9\u5e94\u5730\u5740\u7684\u6570\u636e\u5185\u5bb9\uff0c\u4e24\u8005\u901a\u8fc7\u5730\u5740\u603b\u7ebf\u548c\u6570\u636e\u603b\u7ebf\u4e0e\u5185\u5b58\u4ea4\u4e92\u3002<\/p>\n<\/p>\n

\u5728\u590d\u6742\u6307\u4ee4\u96c6\u8ba1\u7b97\u673a\uff08CISC\uff09\u4e2d\uff0cMDR\u8fd8\u53ef\u80fd\u53c2\u4e0e\u591a\u5b57\u8282\u6570\u636e\u7684\u5206\u6bb5\u5b58\u50a8\u4e0e\u8bfb\u53d6\uff0c\u9700\u4e0e\u901a\u7528\u5bc4\u5b58\u5668\u534f\u540c\u7ba1\u7406\u6570\u636e\u6d41\u3002<\/p>\n<\/p>\n

\u8fd9\u79cd\u534f\u540c\u673a\u5236\u4f53\u73b0\u4e86\u8ba1\u7b97\u673a\u7ec4\u6210\u4e2d\u201c\u5bc4\u5b58\u5668\u7ea7\u201d\u8bbe\u8ba1\u7684\u7cbe\u7ec6\u5316\u548c\u9ad8\u6548\u6027\u3002<\/p>\n<\/p>\n

5. MDR\u7684\u5b9e\u9645\u5e94\u7528\u4e0e\u6027\u80fd\u5f71\u54cd<\/strong><\/p>\n

\u5728\u73b0\u4ee3\u5904\u7406\u5668\u8bbe\u8ba1\u4e2d\uff0cMDR\u7684\u6982\u5ff5\u867d\u4ecd\u5b58\u5728\uff0c\u4f46\u5b9e\u9645\u5b9e\u73b0\u53ef\u80fd\u878d\u5165\u66f4\u590d\u6742\u7684\u7f13\u5b58\u5c42\u6b21\u7ed3\u6784\u4e2d\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff0cL1\u7f13\u5b58\u7684\u6570\u636e\u5bc4\u5b58\u5668\u5728\u529f\u80fd\u4e0a\u4e0eMDR\u7c7b\u4f3c\uff0c\u4f46\u901f\u5ea6\u66f4\u5feb\u4e14\u96c6\u6210\u4e8eCPU\u6838\u5fc3\u5185\u90e8\u3002<\/p>\n<\/p>\n

MDR\u7684\u8bbe\u8ba1\u76f4\u63a5\u5f71\u54cd\u5185\u5b58\u8bbf\u95ee\u5ef6\u8fdf\u548c\u6570\u636e\u541e\u5410\u91cf\uff0c\u56e0\u6b64\u5728\u9ad8\u6027\u80fd\u8ba1\u7b97\u4e2d\uff0c\u4f18\u5316\u5bc4\u5b58\u5668\u4e0e\u5185\u5b58\u95f4\u7684\u6570\u636e\u901a\u8def\u662f\u5173\u952e\u4efb\u52a1\u4e4b\u4e00\u3002<\/p>\n<\/p>\n

\u5b66\u4e60MDR\u6709\u52a9\u4e8e\u7406\u89e3\u8ba1\u7b97\u673a\u6027\u80fd\u74f6\u9888\u53ca\u4f18\u5316\u65b9\u6cd5\uff0c\u5982\u901a\u8fc7\u9884\u53d6\u6216\u6d41\u6c34\u7ebf\u6280\u672f\u51cf\u5c11\u6570\u636e\u7b49\u5f85\u65f6\u95f4\u3002<\/p>\n<\/p>\n

6. \u603b\u7ed3\u4e0e\u5b66\u4e60\u5efa\u8bae<\/strong><\/p>\n

MDR\u4f5c\u4e3a\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u7684\u57fa\u7840\u77e5\u8bc6\u70b9\uff0c\u662f\u7406\u89e3\u8ba1\u7b97\u673a\u5185\u90e8\u6570\u636e\u6d41\u63a7\u5236\u7684\u6838\u5fc3\u3002<\/p>\n<\/p>\n

\u5efa\u8bae\u5b66\u4e60\u8005\u901a\u8fc7\u4eff\u771f\u8f6f\u4ef6\uff08\u5982Logisim\u6216Verilog\uff09\u642d\u5efa\u7b80\u5355CPU\u6a21\u578b\uff0c\u89c2\u5bdfMDR\u5728\u6307\u4ee4\u6267\u884c\u4e2d\u7684\u884c\u4e3a\uff0c\u4ee5\u52a0\u6df1\u7406\u89e3\u3002<\/p>\n<\/p>\n

\u7ed3\u5408\u73b0\u4ee3\u8ba1\u7b97\u673a\u4f53\u7cfb\u7ed3\u6784\u7684\u53d1\u5c55\uff0c\u5bf9\u6bd4MDR\u5728\u5386\u53f2\u4e0e\u5f53\u524d\u8bbe\u8ba1\u4e2d\u7684\u6f14\u53d8\uff0c\u80fd\u66f4\u5168\u9762\u638c\u63e1\u5176\u6280\u672f\u610f\u4e49\u3002<\/p>\n<\/p>\n

\u603b\u4e4b\uff0c\u638c\u63e1MDR\u4e0d\u4ec5\u6709\u52a9\u4e8e\u901a\u8fc7\u8003\u8bd5\uff0c\u66f4\u80fd\u63d0\u5347\u89e3\u51b3\u5b9e\u9645\u786c\u4ef6\u95ee\u9898\u7684\u80fd\u529b\u3002<\/p>\n<\/p>\n

\u514d\u8d23\u58f0\u660e\uff1a\u4ec5\u4f9b\u53c2\u8003\uff0c\u672c\u6587\u4f5c\u8005\u53ca\u53d1\u5e03\u5e73\u53f0\u4e0d\u627f\u62c5\u56e0\u53c2\u8003\u672c\u6587\u5185\u5bb9\u800c\u4ea7\u751f\u7684\u4efb\u4f55\u8d23\u4efb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

MDR\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u662f\u8ba1\u7b97\u673a\u79d1\u5b66\u6559\u80b2\u4e2d\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\uff0c\u5b83\u6d89\u53ca\u8ba1\u7b97\u673a\u786c\u4ef6\u7cfb\u7edf\u7684\u57fa\u672c\u7ed3\u6784\u548c\u529f\u80fd\u6a21\u5757\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u3002 […]<\/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":[237],"class_list":["post-3911","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\/3911","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=3911"}],"version-history":[{"count":0,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=\/wp\/v2\/posts\/3911\/revisions"}],"wp:attachment":[{"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3911"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3911"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rohs.ac.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}