{"id":68488,"date":"2023-12-18T12:19:44","date_gmt":"2023-12-18T04:19:44","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=68488"},"modified":"2023-12-18T12:19:44","modified_gmt":"2023-12-18T04:19:44","slug":"sdjxuxhdp","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/68488.html","title":{"rendered":"\u6df1\u5ea6\u89e3\u6790\uff1aUART\u4fe1\u53f7\u7535\u5e73"},"content":{"rendered":"

  UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09\u4fe1\u53f7\u7535\u5e73\u662f\u6570\u5b57\u7535\u5b50\u8bbe\u5907\u4e2d\u5e38\u89c1\u7684\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8UART\u4fe1\u53f7\u7535\u5e73\u7684\u539f\u7406\u548c\u5e94\u7528\u3002<\/p>\n

UART\u4fe1\u53f7\u7535\u5e73\u4ecb\u7ecd<\/h2>\n

  UART\u4fe1\u53f7\u7535\u5e73\u7684\u5b9a\u4e49<\/h3>\n

  UART\u4fe1\u53f7\u7535\u5e73\u662f\u6307\u5728UART\u901a\u4fe1\u4e2d\uff0c\u7528\u4e8e\u4f20\u8f93\u6570\u636e\u7684\u7535\u4fe1\u53f7\u7684\u7535\u538b\u6c34\u5e73\u3002\u5b83\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\uff1a\u9ad8\u7535\u5e73\uff08\u903b\u8f911\uff09\u548c\u4f4e\u7535\u5e73\uff08\u903b\u8f910\uff09\u3002\u5728\u6807\u51c6\u7684TTL<\/a>\uff08Transistor-Transistor Logic\uff09UART\u901a\u4fe1\u4e2d\uff0c\u9ad8\u7535\u5e73\u901a\u5e38\u4e3a3.3V\u81f35V\uff0c\u4f4e\u7535\u5e73\u4e3a0V\u81f30.4V\u3002<\/p>\n

  UART\u4fe1\u53f7\u7535\u5e73\u5de5\u4f5c\u539f\u7406<\/h3>\n

  UART<\/a>\u901a\u4fe1\u4f7f\u7528\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u901a\u8fc7\u53d1\u9001\u548c\u63a5\u6536\u4f4d\u6765\u4f20\u8f93\u6570\u636e\u3002\u53d1\u9001\u7aef\u5c06\u5e76\u884c\u6570\u636e\u8f6c\u6362\u4e3a\u4e32\u884c\u6570\u636e\uff0c\u5e76\u52a0\u4e0a\u8d77\u59cb\u4f4d\u3001\u505c\u6b62\u4f4d\u548c\u6821\u9a8c\u4f4d\uff0c\u5f62\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u6570\u636e\u5e27\u3002\u63a5\u6536\u7aef\u518d\u5c06\u4e32\u884c\u6570\u636e\u8f6c\u6362\u4e3a\u5e76\u884c\u6570\u636e\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002<\/p>\n

UART\u4fe1\u53f7\u7535\u5e73\u5e94\u7528<\/h2>\n

  \u5d4c\u5165\u5f0f\u7cfb\u7edf<\/h3>\n

  \u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\uff0cUART\u901a\u4fe1\u5e38\u7528\u4e8e\u8fde\u63a5\u5fae\u63a7\u5236\u5668\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4f8b\u5982\u4f20\u611f\u5668\u3001\u663e\u793a\u5668\u548c\u901a\u4fe1\u6a21\u5757\u3002\u901a\u8fc7\u6807\u51c6\u7684TTL\u7535\u5e73\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u53ef\u9760\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  \u7535\u8111\u5916\u56f4\u8bbe\u5907<\/h3>\n

  \u5728\u4e2a\u4eba\u7535\u8111\u548c\u5916\u56f4\u8bbe\u5907\u4e4b\u95f4\uff0cUART\u901a\u4fe1\u4e5f\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u4f8b\u5982\u901a\u8fc7\u4e32\u53e3\u8fde\u63a5\u6253\u5370\u673a\u3001\u8c03\u5236\u89e3\u8c03\u5668\u3001\u751a\u81f3\u5355\u7247\u673a<\/a>\u5f00\u53d1\u677f\uff0c\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u548c\u63a7\u5236\u529f\u80fd\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u5bf9UART\u4fe1\u53f7\u7535\u5e73\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002<\/strong>\u5b83\u5728\u6570\u5b57\u7535\u5b50\u8bbe\u5907\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u4e3a\u8bbe\u5907\u95f4\u7a33\u5b9a\u53ef\u9760\u7684\u901a\u4fe1\u63d0\u4f9b\u4e86\u57fa\u7840\u3002\u65e0\u8bba\u662f\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u8fd8\u662f\u5728\u4e2a\u4eba\u7535\u8111\u5916\u56f4\u8bbe\u5907\u4e2d\uff0cUART\u4fe1\u53f7\u7535\u5e73\u90fd\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\uff0c\u4e3a\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u901a\u4fe1\u63d0\u4f9b\u4e86\u4fbf\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

UART\uff08UniversalAsynchronousReceiver\/Transmitter\uff09\u4fe1\u53f7\u7535\u5e73\u662f\u6570\u5b57\u7535\u5b50\u8bbe\u5907\u4e2d\u5e38\u89c1\u7684\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8UAR<\/p>\n","protected":false},"author":1,"featured_media":64231,"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":[145],"class_list":["post-68488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-uart"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/68488","targetHints":{"allow":["GET"]}}],"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=68488"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/68488\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64231"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=68488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=68488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=68488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}