{"id":41956,"date":"2023-10-03T04:07:26","date_gmt":"2023-10-02T20:07:26","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=41956"},"modified":"2023-10-03T04:07:26","modified_gmt":"2023-10-02T20:07:26","slug":"uyrlzcytxxy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/41956.html","title":{"rendered":"UART\u4e0eRS485\uff1a\u4e24\u79cd\u5e38\u7528\u901a\u4fe1\u534f\u8bae"},"content":{"rendered":"<p>&emsp;&emsp;UART\u548cRS485\u662f\u4e24\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002\u672c\u6587\u5c06\u8ba8\u8bbaUART\u548cRS485\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u548c\u52a3\u52bf\u3002<\/p>\n<h2 style=\"text-align: center;\">UART\uff1a\u7b80\u5355\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae<\/h2>\n<p>&emsp;&emsp;UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09\u662f\u4e00\u79cd\u7b80\u5355\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u5c06\u6570\u636e\u4ee5\u5b57\u8282\u7684\u5f62\u5f0f\u4ece\u4e00\u4e2a\u8bbe\u5907\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a\u8bbe\u5907\u3002\u5b83\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u7279\u7387\uff08\u6bd4\u59829600bps\uff0c19200bps\u7b49\uff09\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4f46\u662f\u4f20\u8f93\u7684\u901f\u5ea6\u8f83\u6162\uff0c\u800c\u4e14\u5b83\u53ea\u80fd\u4f20\u8f93\u4e00\u6761\u6570\u636e\u6d41\uff0c\u4e0d\u80fd\u540c\u65f6\u4f20\u8f93\u591a\u6761\u6570\u636e\u6d41\u3002<\/p>\n<h3>&emsp;&emsp;UART\u7684\u4f18\u52bf<\/h3>\n<ul>\n<li>\u7b80\u5355\u6613\u7528\uff1aUART\u662f\u4e00\u79cd\u7b80\u5355\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ea\u9700\u8981\u4e00\u4e2a\u4fe1\u53f7\u7ebf\u5c31\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5f97\u5b83\u6bd4\u5176\u4ed6\u534f\u8bae\u66f4\u52a0\u5bb9\u6613\u5b9e\u73b0\u3002<\/li>\n<li>\u4f4e\u6210\u672c\uff1aUART\u4e0d\u9700\u8981\u7279\u6b8a\u7684\u786c\u4ef6\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u666e\u901a\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u8fd9\u4f7f\u5f97\u5b83\u7684\u6210\u672c\u66f4\u4f4e\u3002<\/li>\n<\/ul>\n<h3>&emsp;&emsp;UART\u7684\u52a3\u52bf<\/h3>\n<ul>\n<li>\u901f\u5ea6\u6162\uff1aUART\u4f20\u8f93\u901f\u5ea6\u8f83\u6162\uff0c\u4e00\u822c\u53ea\u80fd\u8fbe\u5230\u51e0\u5343bps\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4e0d\u9002\u5408\u4f20\u8f93\u5927\u91cf\u6570\u636e\u3002<\/li>\n<li>\u53ea\u80fd\u4f20\u8f93\u4e00\u6761\u6570\u636e\u6d41\uff1aUART\u53ea\u80fd\u4f20\u8f93\u4e00\u6761\u6570\u636e\u6d41\uff0c\u4e0d\u80fd\u540c\u65f6\u4f20\u8f93\u591a\u6761\u6570\u636e\u6d41\u3002<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">RS485\uff1a\u4e00\u79cd\u9ad8\u901f\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae<\/h2>\n<p>&emsp;&emsp;RS485\u662f\u4e00\u79cd\u9ad8\u901f\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u7279\u7387\uff08\u6bd4\u59829600bps\uff0c19200bps\u7b49\uff09\u6765\u4f20\u8f93\u6570\u636e\u3002\u4e0eUART\u4e0d\u540c\uff0c\u5b83\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u591a\u6761\u6570\u636e\u6d41\uff0c\u800c\u4e14\u4f20\u8f93\u901f\u5ea6\u4e5f\u66f4\u5feb\uff0c\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d2\u51e0\u4e07bps\u3002<\/p>\n<h3>&emsp;&emsp;RS485\u7684\u4f18\u52bf<\/h3>\n<ul>\n<li>\u9ad8\u901f\u4f20\u8f93\uff1aRS485\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d2\u51e0\u4e07bps\u7684\u4f20\u8f93\u901f\u5ea6\uff0c\u8fd9\u4f7f\u5f97\u5b83\u6bd4UART\u66f4\u9002\u5408\u4f20\u8f93\u5927\u91cf\u6570\u636e\u3002<\/li>\n<li>\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u591a\u6761\u6570\u636e\u6d41\uff1aRS485\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u591a\u6761\u6570\u636e\u6d41\uff0c\u8fd9\u4f7f\u5f97\u5b83\u66f4\u52a0\u7075\u6d3b\u3002<\/li>\n<\/ul>\n<h3>&emsp;&emsp;RS485\u7684\u52a3\u52bf<\/h3>\n<ul>\n<li>\u590d\u6742\u6027\uff1aRS485\u6bd4UART\u66f4\u590d\u6742\uff0c\u5b83\u9700\u8981\u591a\u6761\u4fe1\u53f7\u7ebf\u624d\u80fd\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5f97\u5b83\u66f4\u52a0\u590d\u6742\u3002<\/li>\n<li>\u6210\u672c\u9ad8\uff1aRS485\u9700\u8981\u7279\u6b8a\u7684\u786c\u4ef6\uff0c\u8fd9\u4f7f\u5f97\u5b83\u7684\u6210\u672c\u66f4\u9ad8\u3002<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;UART\u548cRS485\u90fd\u662f\u5e38\u7528\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002UART\u662f\u4e00\u79cd\u7b80\u5355\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ea\u9700\u8981\u4e00\u4e2a\u4fe1\u53f7\u7ebf\u5c31\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\uff0c\u4f46\u662f\u4f20\u8f93\u901f\u5ea6\u8f83\u6162\uff0c\u800c\u4e14\u53ea\u80fd\u4f20\u8f93\u4e00\u6761\u6570\u636e\u6d41\u3002RS485\u662f\u4e00\u79cd\u9ad8\u901f\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u7279\u7387\u6765\u4f20\u8f93\u6570\u636e\uff0c\u800c\u4e14\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u591a\u6761\u6570\u636e\u6d41\uff0c\u4f20\u8f93\u901f\u5ea6\u4e5f\u66f4\u5feb\u3002<\/p>\n<p>&emsp;&emsp;<strong>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cUART\u548cRS485\u90fd\u6709\u5404\u81ea\u7684\u4f18\u52bf\u548c\u52a3\u52bf\uff0c\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u534f\u8bae\u6765\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>UART\u548cRS485\u662f\u4e24\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002\u672c\u6587\u5c06\u8ba8\u8bbaUART\u548cRS485\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u548c\u52a3<\/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":[61],"class_list":["post-41956","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/41956","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=41956"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/41956\/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=41956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=41956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=41956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}