{"id":45458,"date":"2023-10-03T10:46:39","date_gmt":"2023-10-03T02:46:39","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=45458"},"modified":"2023-10-03T10:46:39","modified_gmt":"2023-10-03T02:46:39","slug":"ussmys-2","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/45458.html","title":{"rendered":"UART\u662f\u4ec0\u4e48\u610f\u601d\uff1f"},"content":{"rendered":"

  UART\u662fUniversal Asynchronous Receiver\/Transmitter\u7684\u7f29\u5199\uff0c\u4e5f\u79f0\u4e3a\u901a\u7528\u5f02\u6b65\u6536\u53d1\u5668\u3002\u5b83\u662f\u4e00\u79cd\u53ef\u4ee5\u5b9e\u73b0\u5f02\u6b65\u6570\u636e\u4f20\u8f93\u7684\u7535\u5b50\u8bbe\u5907\uff0c\u53ef\u4ee5\u7528\u6765\u5728\u4e0d\u540c\u7684\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

UART\u7684\u5386\u53f2<\/h2>\n

  UART\u6700\u65e9\u7531\u7f8e\u56fd\u56fd\u5bb6\u534a\u5bfc\u4f53\u516c\u53f8\uff08National Semiconductor\uff09\u57281971\u5e74\u5f00\u53d1\u51fa\u6765\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u5f02\u6b65\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u66f4\u52a0\u7075\u6d3b\u3002UART\u7684\u53d1\u5c55\u5e76\u4e0d\u65ad\uff0c\u5b83\u5df2\u7ecf\u6210\u4e3a\u5f53\u4eca\u7535\u5b50\u8bbe\u5907\u4e2d\u7684\u6807\u51c6\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u4ee5\u53ca\u6c7d\u8f66\u7535\u5b50\u7b49\u9886\u57df\u3002<\/p>\n

UART\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  UART\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff1a\u5b83\u4f7f\u7528\u4e24\u6761\u4fe1\u53f7\u7ebf\uff0c\u4e00\u6761\u7528\u4e8e\u53d1\u9001\u6570\u636e\uff0c\u53e6\u4e00\u6761\u7528\u4e8e\u63a5\u6536\u6570\u636e\u3002\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4f7f\u7528\u76f8\u540c\u7684\u6ce2\u7279\u7387\uff0c\u4ee5\u53ca\u4e00\u5b9a\u7684\u6570\u636e\u683c\u5f0f\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002UART\u53d1\u9001\u7aef\u4f1a\u5c06\u6570\u636e\u5206\u5272\u6210\u4e00\u4e2a\u4e2a\u5b57\u8282\uff0c\u7136\u540e\u5c06\u6bcf\u4e2a\u5b57\u8282\u7684\u6570\u636e\u8f6c\u6362\u6210\u4e00\u7cfb\u5217\u76840\u548c1\uff0c\u8fd9\u4e9b0\u548c1\u4ee3\u8868\u7684\u662f\u4e8c\u8fdb\u5236\u7684\u6570\u636e\u3002UART\u63a5\u6536\u7aef\u63a5\u6536\u5230\u8fd9\u4e9b0\u548c1\u7684\u5e8f\u5217\uff0c\u5e76\u5c06\u5b83\u4eec\u8f6c\u6362\u6210\u539f\u59cb\u7684\u6570\u636e\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002<\/p>\n

UART\u7684\u5e94\u7528<\/h2>\n

  1. \u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1<\/h3>\n

  UART\u5728\u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1\u4e2d\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u4f8b\u5982\u5728\u667a\u80fd\u624b\u673a\u3001\u5e73\u677f\u7535\u8111\u3001\u6e38\u620f\u673a\u7b49\u8bbe\u5907\u4e2d\uff0c\u90fd\u53ef\u4ee5\u770b\u5230UART\u7684\u8eab\u5f71\u3002UART\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u4f7f\u8bbe\u5907\u4e4b\u95f4\u53ef\u4ee5\u4e92\u76f8\u901a\u4fe1\u3002<\/p>\n

  2. \u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df<\/h3>\n

  UART\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u4e5f\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u548c\u63a7\u5236\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u8bbe\u5907\u7684\u81ea\u52a8\u5316\u63a7\u5236\u3002<\/p>\n

  3. \u6c7d\u8f66\u7535\u5b50<\/h3>\n

  UART\u5728\u6c7d\u8f66\u7535\u5b50\u9886\u57df\u4e5f\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u6c7d\u8f66\u7684\u667a\u80fd\u5316\u63a7\u5236\uff0c\u4ece\u800c\u63d0\u9ad8\u6c7d\u8f66\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  UART\u662f\u4e00\u79cd\u53ef\u4ee5\u5b9e\u73b0\u5f02\u6b65\u6570\u636e\u4f20\u8f93\u7684\u7535\u5b50\u8bbe\u5907\uff0c\u5b83\u5df2\u7ecf\u6210\u4e3a\u5f53\u4eca\u7535\u5b50\u8bbe\u5907\u4e2d\u7684\u6807\u51c6\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u4ee5\u53ca\u6c7d\u8f66\u7535\u5b50\u7b49\u9886\u57df\u3002<\/strong>UART\u53d1\u9001\u7aef\u4f1a\u5c06\u6570\u636e\u5206\u5272\u6210\u4e00\u4e2a\u4e2a\u5b57\u8282\uff0c\u7136\u540e\u5c06\u6bcf\u4e2a\u5b57\u8282\u7684\u6570\u636e\u8f6c\u6362\u6210\u4e00\u7cfb\u5217\u76840\u548c1\uff0c\u8fd9\u4e9b0\u548c1\u4ee3\u8868\u7684\u662f\u4e8c\u8fdb\u5236\u7684\u6570\u636e\u3002UART\u63a5\u6536\u7aef\u63a5\u6536\u5230\u8fd9\u4e9b0\u548c1\u7684\u5e8f\u5217\uff0c\u5e76\u5c06\u5b83\u4eec\u8f6c\u6362\u6210\u539f\u59cb\u7684\u6570\u636e\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002UART\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u4f7f\u8bbe\u5907\u4e4b\u95f4\u53ef\u4ee5\u4e92\u76f8\u901a\u4fe1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

UART\u662fUniversalAsynchronousReceiver\/Transmitter\u7684\u7f29\u5199\uff0c\u4e5f\u79f0\u4e3a\u901a\u7528\u5f02\u6b65\u6536\u53d1\u5668\u3002\u5b83\u662f\u4e00\u79cd\u53ef\u4ee5\u5b9e\u73b0\u5f02\u6b65\u6570\u636e\u4f20\u8f93\u7684\u7535\u5b50\u8bbe\u5907\uff0c\u53ef\u4ee5<\/p>\n","protected":false},"author":1,"featured_media":4132,"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-45458","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\/45458","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=45458"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/45458\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=45458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=45458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=45458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}