{"id":68806,"date":"2023-12-18T15:06:48","date_gmt":"2023-12-18T07:06:48","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=68806"},"modified":"2023-12-18T15:06:48","modified_gmt":"2023-12-18T07:06:48","slug":"rhudqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/68806.html","title":{"rendered":"RS-485\u548cUART\u7684\u533a\u522b"},"content":{"rendered":"

  RS-485\u548cUART<\/a>\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u3001\u81ea\u52a8\u5316\u7cfb\u7edf\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5b83\u4eec\u7684\u533a\u522b\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n

RS-485\u534f\u8bae<\/h2>\n

  RS-485\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\u5b9e\u73b0\u957f\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u3002RS-485\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6570\u636e\uff0c\u80fd\u591f\u5728\u566a\u97f3\u5e72\u6270\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u7b49\u73af\u5883\u4e0b\u4fdd\u6301\u826f\u597d\u7684\u7a33\u5b9a\u6027\u3002\u4e0eRS-232\u76f8\u6bd4\uff0cRS-485\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7b49\u5bf9\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u5408\u3002<\/p>\n

  RS-485\u7684\u7279\u70b9<\/h3>\n

  1. \u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n

  2. \u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n

  3. \u53ef\u5b9e\u73b0\u957f\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\uff0c\u6700\u9ad8\u6ce2\u7279\u7387\u53ef\u8fbe10 Mbps\u3002<\/p>\n

UART\u534f\u8bae<\/h2>\n

  UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5e38\u89c1\u4e8e\u5355\u7247\u673a\u548c\u5d4c\u5165\u5f0f<\/a>\u7cfb\u7edf\u4e2d\u3002UART\u901a\u8fc7\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u4f4d\u6765\u8fdb\u884c\u901a\u4fe1\uff0c\u901a\u5e38\u7528\u4e8e\u77ed\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\uff0c\u5982\u8fde\u63a5\u4f20\u611f\u5668\u3001\u663e\u793a\u5668\u3001\u952e\u76d8\u7b49\u5916\u56f4\u8bbe\u5907\u3002<\/p>\n

  UART\u7684\u7279\u70b9<\/h3>\n

  1. \u4f7f\u7528\u5f02\u6b65\u901a\u4fe1\u65b9\u5f0f\uff0c\u9002\u5408\u4e8e\u77ed\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  2. \u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u5355\u7247\u673a<\/a>\u548c\u5916\u56f4\u8bbe\u5907\uff0c\u5982\u4f20\u611f\u5668\u3001\u663e\u793a\u5668\u7b49\u3002<\/p>\n

  3. \u6ce2\u7279\u7387\u901a\u5e38\u8f83\u4f4e\uff0c\u6700\u9ad8\u6ce2\u7279\u7387\u4e00\u822c\u57281 Mbps\u4ee5\u4e0b\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS-485\u548cUART\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5404\u81ea\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u3002<\/strong>RS-485\u9002\u5408\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7b49\u5bf9\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u5408\uff0c\u800cUART\u5e38\u7528\u4e8e\u5355\u7247\u673a\u548c\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u8fde\u63a5\u5916\u56f4\u8bbe\u5907\u3002\u5728\u9009\u62e9\u901a\u4fe1\u534f\u8bae\u65f6\uff0c\u9700\u6839\u636e\u5b9e\u9645\u5e94\u7528\u9700\u6c42\u548c\u73af\u5883\u7279\u70b9\u8fdb\u884c\u5408\u7406\u9009\u62e9\uff0c\u4ee5\u786e\u4fdd\u901a\u4fe1\u7684\u7a33\u5b9a\u548c\u53ef\u9760\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS-485\u548cUART\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u3001\u81ea\u52a8\u5316\u7cfb\u7edf\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5b83\u4eec\u7684\u533a\u522b\u548c\u5e94\u7528\u573a\u666f\u3002RS-485\u534f\u8baeRS-4<\/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-68806","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\/68806","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=68806"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/68806\/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=68806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=68806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=68806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}