{"id":44679,"date":"2023-10-02T22:33:29","date_gmt":"2023-10-02T14:33:29","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=44679"},"modified":"2023-10-02T22:33:29","modified_gmt":"2023-10-02T14:33:29","slug":"utdynx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/44679.html","title":{"rendered":"UART\u7279\u70b9\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p>&emsp;&emsp;UART\uff08Universal Asynchronous Receiver \/ Transmitter\uff09\u662f\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u662f\u4e00\u79cd\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u4e24\u4e2a\u8ba1\u7b97\u673a\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u5177\u6709\u7075\u6d3b\u6027\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u901f\u7387\uff0c\u5e76\u4e14\u5177\u6709\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u80fd\u529b\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdUART\u7684\u7279\u70b9\uff0c\u5305\u62ec\u5b83\u7684\u4f20\u8f93\u901f\u7387\uff0c\u6570\u636e\u683c\u5f0f\uff0c\u63a7\u5236\u4fe1\u53f7\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u3002<\/p>\n<h2 style=\"text-align: center;\">UART\u7684\u4f20\u8f93\u901f\u7387<\/h2>\n<p>&emsp;&emsp;UART\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u4ece50 bps\u52304 Mbps\uff0c\u5176\u4e2d50 bps\u662f\u6700\u4f4e\u7684\uff0c4 Mbps\u662f\u6700\u9ad8\u7684\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cUART\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u7531\u7528\u6237\u81ea\u5b9a\u4e49\uff0c\u4f46\u4e5f\u6709\u4e00\u4e9b\u6807\u51c6\u7684\u4f20\u8f93\u901f\u7387\uff0c\u59821200 bps\uff0c2400 bps\uff0c4800 bps\uff0c9600 bps\uff0c19200 bps\uff0c38400 bps\uff0c57600 bps\uff0c115200 bps\u7b49\u3002<\/p>\n<h3>&emsp;&emsp;UART\u4f20\u8f93\u7684\u6570\u636e\u683c\u5f0f<\/h3>\n<p>&emsp;&emsp;UART\u53ef\u4ee5\u4f20\u8f938\u4f4d\u62169\u4f4d\u6570\u636e\uff0c\u5176\u4e2d8\u4f4d\u6570\u636e\u7684\u683c\u5f0f\u4e3a8\u4f4d\u6570\u636e+1\u4f4d\u505c\u6b62\u4f4d\uff0c\u800c9\u4f4d\u6570\u636e\u7684\u683c\u5f0f\u4e3a8\u4f4d\u6570\u636e+1\u4f4d\u6821\u9a8c\u4f4d+1\u4f4d\u505c\u6b62\u4f4d\u3002UART\u4e5f\u652f\u6301\u6570\u636e\u7684\u6821\u9a8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5947\u6821\u9a8c\u6216\u5076\u6821\u9a8c\u3002<\/p>\n<h3>&emsp;&emsp;UART\u63a7\u5236\u4fe1\u53f7<\/h3>\n<p>&emsp;&emsp;UART\u8fd8\u5305\u62ec\u4e00\u4e9b\u63a7\u5236\u4fe1\u53f7\uff0c\u5982RTS\uff08Request To Send\uff09\uff0cCTS\uff08Clear To Send\uff09\uff0cDTR\uff08Data Terminal Ready\uff09\uff0cDSR\uff08Data Set Ready\uff09\uff0cDCD\uff08Data Carrier Detect\uff09\u7b49\u3002\u8fd9\u4e9b\u63a7\u5236\u4fe1\u53f7\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u6570\u636e\u7684\u4f20\u8f93\uff0c\u4ee5\u53ca\u68c0\u6d4b\u8fde\u63a5\u72b6\u6001\u7b49\u3002<\/p>\n<h2 style=\"text-align: center;\">\u5982\u4f55\u4f7f\u7528UART<\/h2>\n<p>&emsp;&emsp;UART\u53ef\u4ee5\u7528\u4e8e\u4e24\u53f0\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u4e0e\u5916\u56f4\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u3002\u4f7f\u7528UART\u65f6\uff0c\u9996\u5148\u9700\u8981\u5c06UART\u8fde\u63a5\u5230\u4e24\u53f0\u8ba1\u7b97\u673a\u7684\u4e32\u884c\u7aef\u53e3\uff0c\u7136\u540e\u914d\u7f6eUART\u7684\u4f20\u8f93\u901f\u7387\uff0c\u6570\u636e\u683c\u5f0f\uff0c\u4ee5\u53ca\u63a7\u5236\u4fe1\u53f7\u7b49\u3002\u6700\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528UART\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;UART\uff08Universal Asynchronous Receiver \/ Transmitter\uff09\u662f\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u662f\u4e00\u79cd\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u4e24\u4e2a\u8ba1\u7b97\u673a\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002UART\u5177\u6709\u7075\u6d3b\u6027\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u901f\u7387\uff0c\u5e76\u4e14\u5177\u6709\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u80fd\u529b\u3002UART\u53ef\u4ee5\u7528\u4e8e\u4e24\u53f0\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u4e0e\u5916\u56f4\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u3002\u4f7f\u7528UART\u65f6\uff0c\u9700\u8981\u5148\u8fde\u63a5UART\uff0c\u7136\u540e\u914d\u7f6eUART\u7684\u4f20\u8f93\u901f\u7387\uff0c\u6570\u636e\u683c\u5f0f\uff0c\u4ee5\u53ca\u63a7\u5236\u4fe1\u53f7\u7b49\uff0c\u6700\u540e\u53ef\u4ee5\u4f7f\u7528UART\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UART\uff08UniversalAsynchronousReceiver\/Transmitter\uff09\u662f\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u662f\u4e00\u79cd\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\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":[145],"class_list":["post-44679","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\/44679"}],"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=44679"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/44679\/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=44679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=44679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=44679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}