{"id":62367,"date":"2023-11-02T20:09:11","date_gmt":"2023-11-02T12:09:11","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=62367"},"modified":"2023-11-02T20:09:11","modified_gmt":"2023-11-02T12:09:11","slug":"dcksddsjbh","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/62367.html","title":{"rendered":"DMA\u4e32\u53e3\u6536\u5230\u7684\u6570\u636e\u53d8\u5316"},"content":{"rendered":"<p>&emsp;&emsp;DMA\uff08Direct Memory Access\uff09\u4e32\u53e3\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u5b58\u50a8\u5668\u548c\u5916\u8bbe\u4e4b\u95f4\u6570\u636e\u4f20\u8f93\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u5b9e\u73b0\u5feb\u901f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u5347\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdDMA\u4e32\u53e3\u6536\u5230\u7684\u6570\u636e\u53d8\u5316\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3DMA\u4e32\u53e3\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<h2 style=\"text-align: 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center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>DMA\u4e32\u53e3\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u5b58\u50a8\u5668\u548c\u5916\u8bbe\u4e4b\u95f4\u6570\u636e\u4f20\u8f93\u7684\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u5feb\u901f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u5347\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/strong>\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u662f\u901a\u8fc7DMA\u63a7\u5236\u5668\u6765\u5b9e\u73b0\u6570\u636e\u7684\u81ea\u52a8\u4f20\u8f93\uff0c\u5b83\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u65f6\u6570\u636e\u91c7\u96c6\u3001\u5b9e\u65f6\u89c6\u9891\u4f20\u8f93\u3001\u5b9e\u65f6\u97f3\u9891\u4f20\u8f93\u7b49\u3002\u603b\u4e4b\uff0cDMA\u4e32\u53e3\u6536\u5230\u7684\u6570\u636e\u53d8\u5316\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DMA\uff08DirectMemoryAccess\uff09\u4e32\u53e3\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u5b58\u50a8\u5668\u548c\u5916\u8bbe\u4e4b\u95f4\u6570\u636e\u4f20\u8f93\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u5b9e\u73b0\u5feb\u901f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u5347\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdDMA<\/p>\n","protected":false},"author":1,"featured_media":1839,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[69],"class_list":["post-62367","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cktx"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/62367"}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=62367"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/62367\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/1839"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=62367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=62367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=62367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}