{"id":20685,"date":"2023-09-13T15:20:46","date_gmt":"2023-09-13T07:20:46","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=20685"},"modified":"2023-09-19T14:38:47","modified_gmt":"2023-09-19T06:38:47","slug":"uhrbjhfx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/20685.html","title":{"rendered":"UART\u548cRS422\uff1a\u6bd4\u8f83\u548c\u5206\u6790"},"content":{"rendered":"<p>&emsp;&emsp;UART\u548cRS422\u90fd\u662f\u5f88\u5e38\u89c1\u7684\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4f46\u4e5f\u6709\u4e00\u4e9b\u4e0d\u540c\u4e4b\u5904\u3002\u672c\u6587\u5c06\u6bd4\u8f83UART\u548cRS422\u7684\u4f18\u7f3a\u70b9\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u8fd9\u4e24\u79cd\u6280\u672f\u3002<\/p>\n<h2 style=\"text-align: center;\">UART<\/h2>\n<p>&emsp;&emsp;UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u4f20\u8f93\u6570\u636e\u3002\u5b83\u4f7f\u7528\u4e00\u79cd\u79f0\u4e3a\u201c\u5f02\u6b65\u4f20\u8f93\u201d\u7684\u6280\u672f\uff0c\u6bcf\u6b21\u53d1\u9001\u6570\u636e\u65f6\uff0c\u90fd\u4f1a\u5728\u4fe1\u606f\u524d\u9762\u52a0\u4e0a\u4e00\u4e2a\u540c\u6b65\u4f4d\uff0c\u4ee5\u786e\u4fdd\u4fe1\u606f\u7684\u6b63\u786e\u4f20\u8f93\u3002UART\u7684\u4f18\u70b9\u5728\u4e8e\u5b83\u53ef\u4ee5\u5728\u8ba1\u7b97\u673a\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u800c\u4e14\u5b83\u7684\u4f20\u8f93\u901f\u7387\u4e5f\u5f88\u5feb\u3002<\/p>\n<h3 style=\"text-align: center;\">UART\u7684\u7f3a\u70b9<\/h3>\n<p>&emsp;&emsp;UART\u6709\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5176\u4e2d\u6700\u660e\u663e\u7684\u662f\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\u3002\u5b83\u53ea\u80fd\u5728\u8f83\u77ed\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u4e00\u822c\u4e0d\u8d85\u8fc715\u7c73\u3002\u6b64\u5916\uff0cUART\u4e5f\u4e0d\u80fd\u540c\u65f6\u4f20\u8f93\u591a\u6761\u4fe1\u606f\uff0c\u800c\u4e14\u5b83\u7684\u4f20\u8f93\u901f\u7387\u4e5f\u6bd4\u8f83\u4f4e\u3002<\/p>\n<h2 style=\"text-align: center;\">RS422<\/h2>\n<p>&emsp;&emsp;RS422\u662f\u4e00\u79cd\u66f4\u5148\u8fdb\u7684\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u5b83\u4f7f\u7528\u4e00\u79cd\u79f0\u4e3a\u201c\u5dee\u5206\u4f20\u8f93\u201d\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u8f83\u957f\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\u3002\u5b83\u7684\u4f20\u8f93\u901f\u7387\u4e5f\u6bd4UART\u8981\u5feb\uff0c\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d2100Kbps\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u591a\u6761\u4fe1\u606f\uff0c\u5e76\u4e14\u5b83\u7684\u4fe1\u53f7\u66f4\u7a33\u5b9a\uff0c\u6297\u5e72\u6270\u6027\u4e5f\u66f4\u5f3a\u3002<\/p>\n<h3 style=\"text-align: center;\">RS422\u7684\u7f3a\u70b9<\/h3>\n<p>&emsp;&emsp;RS422\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5176\u4e2d\u6700\u660e\u663e\u7684\u662f\u5b83\u7684\u6210\u672c\u6bd4UART\u8981\u9ad8\uff0c\u56e0\u4e3a\u5b83\u9700\u8981\u66f4\u591a\u7684\u7535\u5b50\u5143\u4ef6\u6765\u5b9e\u73b0\u3002\u6b64\u5916\uff0c\u5b83\u4e5f\u9700\u8981\u66f4\u591a\u7684\u7a7a\u95f4\u6765\u5b89\u88c5\uff0c\u800c\u4e14\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u4e5f\u6bd4\u8f83\u590d\u6742\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>\u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\uff0cUART\u548cRS422\u90fd\u6709\u81ea\u5df1\u7684\u4f18\u7f3a\u70b9\uff0c\u5728\u9009\u62e9\u65f6\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u6765\u8fdb\u884c\u9009\u62e9\u3002<\/strong>UART\u53ef\u4ee5\u7528\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4f46\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\uff0c\u800cRS422\u53ef\u4ee5\u5728\u66f4\u957f\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u4f46\u5176\u6210\u672c\u6bd4\u8f83\u9ad8\u3002\u603b\u4e4b\uff0c\u5728\u9009\u62e9UART\u548cRS422\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u6765\u8fdb\u884c\u9009\u62e9\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u6ee1\u8db3\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UART\u548cRS422\u90fd\u662f\u5f88\u5e38\u89c1\u7684\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4f46\u4e5f\u6709\u4e00\u4e9b\u4e0d\u540c\u4e4b\u5904\u3002\u672c\u6587\u5c06\u6bd4\u8f83UART\u548cRS422\u7684\u4f18\u7f3a\u70b9\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u8fd9\u4e24\u79cd\u6280\u672f\u3002<\/p>\n","protected":false},"author":1,"featured_media":3671,"comment_status":"closed","ping_status":"open","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":[259,145],"class_list":["post-20685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-rs422","tag-uart"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20685","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=20685"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20685\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=20685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=20685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=20685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}