{"id":56817,"date":"2023-10-19T06:29:43","date_gmt":"2023-10-18T22:29:43","guid":{"rendered":"https:\/\/www.techphant.cn\/blog\/56817.html"},"modified":"2023-10-19T06:29:43","modified_gmt":"2023-10-18T22:29:43","slug":"uzmjx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/56817.html","title":{"rendered":"UART\u600e\u4e48\u63a5\u7ebf\uff1f"},"content":{"rendered":"<p>&emsp;&emsp;UART\uff08Universal Asynchronous Receiver \/ Transmitter\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u7684\u901a\u7528\u5f02\u6b65\u6536\u53d1\u5668\u3002\u5b83\u4f7f\u7528\u4e24\u4e2a\u4fe1\u53f7\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u56e0\u6b64\u5b83\u662f\u4e00\u79cd\u7b80\u5355\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u4ecb\u7ecdUART\u7684\u63a5\u7ebf\u65b9\u5f0f\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528UART\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n<h2 style=\"text-align: center;\">UART\u63a5\u7ebf<\/h2>\n<p>&emsp;&emsp;UART\u63a5\u7ebf\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u8fde\u63a5\u4e24\u6839\u4fe1\u53f7\u7ebf\uff1aRX\uff08\u63a5\u6536\uff09\u548cTX\uff08\u53d1\u9001\uff09\u3002RX\u548cTX\u4e4b\u95f4\u7684\u8fde\u63a5\u987a\u5e8f\u4e0d\u91cd\u8981\uff0c\u53ea\u8981\u4e24\u6839\u7ebf\u8fde\u63a5\u5230\u6b63\u786e\u7684\u7aef\u53e3\u5373\u53ef\u3002\u6b64\u5916\uff0cUART\u8fd8\u9700\u8981\u4e00\u4e2a\u63a5\u5730\u7ebf\uff08GND\uff09\uff0c\u4ee5\u786e\u4fddUART\u7684\u4fe1\u53f7\u7ebf\u53ef\u4ee5\u6b63\u786e\u4f20\u8f93\u3002<\/p>\n<h3>&emsp;&emsp;UART\u7684\u901f\u7387<\/h3>\n<p>&emsp;&emsp;UART\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u4ece\u51e0\u5341\u6bd4\u7279\/\u79d2\u5230\u51e0\u767e\u4e07\u6bd4\u7279\/\u79d2\u4e0d\u7b49\u3002UART\u7684\u901f\u7387\u53d6\u51b3\u4e8e\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u901f\u7387\uff0c\u901a\u5e38\u4e3a9600\u6bd4\u7279\/\u79d2\u3002\u5982\u679c\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u901f\u7387\u4e0d\u4e00\u81f4\uff0c\u5219\u53ef\u80fd\u4f1a\u51fa\u73b0\u6570\u636e\u4f20\u8f93\u9519\u8bef\uff0c\u56e0\u6b64\u5e94\u786e\u4fdd\u4e24\u4e2a\u8bbe\u5907\u7684\u901f\u7387\u76f8\u540c\u3002<\/p>\n<h3>&emsp;&emsp;UART\u7684\u683c\u5f0f<\/h3>\n<p>&emsp;&emsp;UART\u4f7f\u7528\u6807\u51c6\u7684\u6570\u636e\u683c\u5f0f\uff0c\u5305\u62ec\u6570\u636e\u4f4d\uff0c\u505c\u6b62\u4f4d\u548c\u6821\u9a8c\u4f4d\u3002\u6570\u636e\u4f4d\u6307\u5b9a\u4e86\u6bcf\u4e2a\u5b57\u8282\u7684\u4f4d\u6570\uff0c\u505c\u6b62\u4f4d\u6307\u5b9a\u4e86\u5b57\u8282\u4e4b\u95f4\u7684\u505c\u6b62\u65f6\u95f4\uff0c\u800c\u6821\u9a8c\u4f4d\u7528\u4e8e\u68c0\u67e5\u6570\u636e\u4f20\u8f93\u7684\u6b63\u786e\u6027\u3002\u6807\u51c6\u7684UART\u683c\u5f0f\u4e3a8\u6570\u636e\u4f4d\uff0c1\u505c\u6b62\u4f4d\u548c\u65e0\u6821\u9a8c\u4f4d\uff0c\u4f46\u4e5f\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570\u3002<\/p>\n<h2 style=\"text-align: center;\">\u4f7f\u7528UART\u4f20\u8f93\u6570\u636e<\/h2>\n<p>&emsp;&emsp;\u4f7f\u7528UART\u4f20\u8f93\u6570\u636e\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5c06\u8fde\u63a5\u7ebf\u8fde\u63a5\u5230\u6b63\u786e\u7684\u7aef\u53e3\uff0c\u5e76\u8bbe\u7f6e\u6b63\u786e\u7684\u901f\u7387\u548c\u683c\u5f0f\u5373\u53ef\u3002\u53e6\u5916\uff0cUART\u8fd8\u53ef\u4ee5\u8bbe\u7f6e\u591a\u79cd\u6a21\u5f0f\uff0c\u5982\u4e32\u884c\u6a21\u5f0f\uff0c\u5e76\u884c\u6a21\u5f0f\uff0c\u591a\u8def\u590d\u7528\u6a21\u5f0f\u7b49\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>UART\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u7684\u901a\u7528\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u4f7f\u7528\u4e24\u4e2a\u4fe1\u53f7\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0cUART\u63a5\u7ebf\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u8fde\u63a5\u4e24\u6839\u4fe1\u53f7\u7ebf\uff1aRX\uff08\u63a5\u6536\uff09\u548cTX\uff08\u53d1\u9001\uff09\uff0c\u4ee5\u53ca\u4e00\u4e2a\u63a5\u5730\u7ebf\uff08GND\uff09\u3002<\/strong>UART\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u4ece\u51e0\u5341\u6bd4\u7279\/\u79d2\u5230\u51e0\u767e\u4e07\u6bd4\u7279\/\u79d2\u4e0d\u7b49\uff0cUART\u4f7f\u7528\u6807\u51c6\u7684\u6570\u636e\u683c\u5f0f\uff0c\u5305\u62ec\u6570\u636e\u4f4d\uff0c\u505c\u6b62\u4f4d\u548c\u6821\u9a8c\u4f4d\u3002\u4f7f\u7528UART\u4f20\u8f93\u6570\u636e\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5c06\u8fde\u63a5\u7ebf\u8fde\u63a5\u5230\u6b63\u786e\u7684\u7aef\u53e3\uff0c\u5e76\u8bbe\u7f6e\u6b63\u786e\u7684\u901f\u7387\u548c\u683c\u5f0f\u5373\u53ef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UART\uff08UniversalAsynchronousReceiver\/Transmitter\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u7684\u901a\u7528\u5f02\u6b65\u6536\u53d1\u5668\u3002\u5b83\u4f7f\u7528\u4e24\u4e2a\u4fe1\u53f7\u7ebf\u6765<\/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-56817","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\/56817","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=56817"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/56817\/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=56817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=56817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=56817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}