{"id":39710,"date":"2023-09-27T23:19:24","date_gmt":"2023-09-27T15:19:24","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=39710"},"modified":"2023-09-27T23:19:24","modified_gmt":"2023-09-27T15:19:24","slug":"uzmy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/39710.html","title":{"rendered":"USART\u600e\u4e48\u7528\uff1f"},"content":{"rendered":"

  USART\uff08Universal Synchronous Asynchronous Receiver Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u540c\u6b65\/\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u5728\u4e24\u4e2a\u4e0d\u540c\u7684\u7cfb\u7edf\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002USART\u662f\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u786c\u4ef6\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u672c\u6587\u5c06\u4ecb\u7ecdUSART\u7684\u57fa\u672c\u539f\u7406\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u6765\u5b9e\u73b0\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n

\u4ec0\u4e48\u662fUSART\uff1f<\/h2>\n

  USART\u662f\u4e00\u79cd\u901a\u7528\u7684\u540c\u6b65\/\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u5728\u4e24\u4e2a\u4e0d\u540c\u7684\u7cfb\u7edf\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002<\/strong>\u5b83\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u4ece\u4e00\u4e2a\u7cfb\u7edf\u5230\u53e6\u4e00\u4e2a\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\uff0c\u6216\u8005\u5b9e\u73b0\u4e00\u4e2a\u7cfb\u7edf\u5185\u90e8\u7684\u6570\u636e\u4f20\u8f93\u3002USART\u5177\u6709\u5f88\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u6700\u9ad8\u53ef\u8fbe\u52304 Mbps\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u4f20\u8f938\u4f4d\u6216\u80059\u4f4d\u6570\u636e\u3002USART\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u4f8b\u5982\u4e32\u884c\u952e\u76d8\u3001\u4e32\u884c\u9f20\u6807\u3001\u4e32\u884c\u6253\u5370\u673a\u7b49\u3002<\/p>\n

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

  USART\u7684\u5de5\u4f5c\u539f\u7406\u5f88\u7b80\u5355\uff0c\u5b83\u53ef\u4ee5\u628a\u4e00\u4e2a\u6570\u636e\u6d41\u5206\u5272\u6210\u4e00\u4e2a\u4e2a\u5b57\u8282\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u5b57\u8282\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a\u7cfb\u7edf\u3002\u5b83\u53ef\u4ee5\u628a\u4e00\u4e2a\u5b57\u8282\u5206\u5272\u62108\u4f4d\u6216\u80059\u4f4d\uff0c\u7136\u540e\u901a\u8fc7\u4e00\u4e2a\u4e32\u884c\u7ebf\u4f20\u8f93\u3002USART\u53ef\u4ee5\u628a\u4e00\u4e2a\u5b57\u8282\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a\u7cfb\u7edf\uff0c\u4e5f\u53ef\u4ee5\u628a\u4e00\u4e2a\u5b57\u8282\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a\u7cfb\u7edf\u5185\u90e8\u7684\u67d0\u4e2a\u90e8\u4ef6\u3002<\/p>\n

  \u540c\u6b65\u4f20\u8f93<\/h3>\n

  \u540c\u6b65\u4f20\u8f93\u662f\u6307\u5728\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u901a\u8fc7\u4e00\u4e2a\u65f6\u949f\u4fe1\u53f7\u6765\u540c\u6b65\u4f20\u8f93\u6570\u636e\u3002\u5728\u540c\u6b65\u4f20\u8f93\u4e2d\uff0c\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u90fd\u6709\u4e00\u4e2a\u65f6\u949f\u4fe1\u53f7\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u65f6\u949f\u9891\u7387\u5fc5\u987b\u4fdd\u6301\u4e00\u81f4\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u6b63\u786e\u6027\u3002<\/p>\n

  \u5f02\u6b65\u4f20\u8f93<\/h3>\n

  \u5f02\u6b65\u4f20\u8f93\u662f\u6307\u5728\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u6ca1\u6709\u65f6\u949f\u4fe1\u53f7\u6765\u540c\u6b65\u4f20\u8f93\u6570\u636e\u3002\u5728\u5f02\u6b65\u4f20\u8f93\u4e2d\uff0c\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u6ca1\u6709\u65f6\u949f\u4fe1\u53f7\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u65f6\u949f\u9891\u7387\u4e0d\u5fc5\u4fdd\u6301\u4e00\u81f4\uff0c\u4f46\u5fc5\u987b\u628a\u53d1\u9001\u7684\u6570\u636e\u5206\u5272\u6210\u4e00\u4e2a\u4e2a\u5b57\u8282\uff0c\u4ee5\u4fbf\u63a5\u6536\u7aef\u80fd\u591f\u6b63\u786e\u63a5\u6536\u6570\u636e\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528USART<\/h2>\n

  \u4f7f\u7528USART\u53ef\u4ee5\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u4e0b\u9762\u4ecb\u7ecd\u4e00\u4e9b\u4f7f\u7528USART\u7684\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n

  \u6b65\u9aa41\uff1a\u786e\u5b9aUSART\u7684\u5de5\u4f5c\u6a21\u5f0f<\/h3>\n

  \u9996\u5148\uff0c\u4f60\u9700\u8981\u786e\u5b9aUSART\u7684\u5de5\u4f5c\u6a21\u5f0f\uff0c\u662f\u540c\u6b65\u4f20\u8f93\u8fd8\u662f\u5f02\u6b65\u4f20\u8f93\uff1f\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f\u540c\u6b65\u4f20\u8f93\uff0c\u8fd8\u9700\u8981\u786e\u5b9a\u65f6\u949f\u9891\u7387\u3002<\/p>\n

  \u6b65\u9aa42\uff1a\u786e\u5b9a\u6570\u636e\u4f4d\u7684\u957f\u5ea6<\/h3>\n

  \u786e\u5b9aUSART\u7684\u6570\u636e\u4f4d\u7684\u957f\u5ea6\uff0c\u4e00\u822c\u53ef\u4ee5\u9009\u62e98\u4f4d\u6216\u80059\u4f4d\uff0c\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f\u540c\u6b65\u4f20\u8f93\uff0c\u5219\u5fc5\u987b\u4f7f\u75288\u4f4d\u6570\u636e\u4f4d\u3002<\/p>\n

  \u6b65\u9aa43\uff1a\u786e\u5b9a\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u7684\u786c\u4ef6\u8fde\u63a5<\/h3>\n

  \u786e\u5b9a\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u7684\u786c\u4ef6\u8fde\u63a5\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u7684\u8fde\u63a5\u662f\u901a\u8fc7\u4e00\u6839\u4e32\u884c\u7ebf\u5b9e\u73b0\u7684\u3002<\/p>\n

  \u6b65\u9aa44\uff1a\u7f16\u5199\u7a0b\u5e8f\u4ee3\u7801<\/h3>\n

  \u7f16\u5199\u7a0b\u5e8f\u4ee3\u7801\uff0c\u5b9e\u73b0\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  USART\u662f\u4e00\u79cd\u901a\u7528\u7684\u540c\u6b65\/\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u5728\u4e24\u4e2a\u4e0d\u540c\u7684\u7cfb\u7edf\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002<\/strong>\u5b83\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u4f8b\u5982\u4e32\u884c\u952e\u76d8\u3001\u4e32\u884c\u9f20\u6807\u3001\u4e32\u884c\u6253\u5370\u673a\u7b49\u3002\u5b83\u53ef\u4ee5\u628a\u4e00\u4e2a\u5b57\u8282\u5206\u5272\u62108\u4f4d\u6216\u80059\u4f4d\uff0c\u7136\u540e\u901a\u8fc7\u4e00\u4e2a\u4e32\u884c\u7ebf\u4f20\u8f93\u3002\u4f7f\u7528USART\u53ef\u4ee5\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u4f46\u662f\u8981\u6ce8\u610f\u786e\u5b9aUSART\u7684\u5de5\u4f5c\u6a21\u5f0f\uff0c\u4ee5\u53ca\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u7684\u786c\u4ef6\u8fde\u63a5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

USART\uff08UniversalSynchronousAsynchronousReceiverTransmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u540c\u6b65\/\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u5728\u4e24\u4e2a<\/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":[305],"class_list":["post-39710","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-dzjs"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/39710","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=39710"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/39710\/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=39710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=39710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=39710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}