{"id":39778,"date":"2023-09-28T13:37:30","date_gmt":"2023-09-28T05:37:30","guid":{"rendered":"\/\/www.dealsbon.com\/?p=39778"},"modified":"2023-09-28T13:37:30","modified_gmt":"2023-09-28T05:37:30","slug":"uzxyq","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/39778.html","title":{"rendered":"UART\u8d70\u7ebf\u8981\u6c42"},"content":{"rendered":"

  UART\uff08Universal Asynchronous Receiver \/ Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u7279\u5b9a\u7684\u683c\u5f0f\u8fdb\u884c\u4f20\u8f93\uff0c\u662f\u76ee\u524d\u8bb8\u591a\u7535\u5b50\u8bbe\u5907\u7684\u63a5\u53e3\u6807\u51c6\u3002UART\u8d70\u7ebf\u8981\u6c42\u662f\u6307UART\u63a5\u53e3\u7684\u5177\u4f53\u8d70\u7ebf\u8981\u6c42\uff0c\u5305\u62ec\u7ebf\u8def\u7684\u6570\u91cf\u3001\u7ebf\u8def\u7684\u7535\u6c14\u53c2\u6570\u3001\u7ebf\u8def\u7684\u7f16\u53f7\u7b49\u3002<\/strong><\/p>\n

UART\u7ebf\u8def\u6570\u91cf\u8981\u6c42<\/h2>\n

  UART\u7684\u7ebf\u8def\u6570\u91cf\u8981\u6c42\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684UART\u63a5\u53e3\u6807\u51c6\u3002UART\u63a5\u53e3\u6807\u51c6\u6709\u5f88\u591a\u79cd\uff0c\u6bd4\u5982RS-232\u3001RS-422\u3001RS-485\u7b49\uff0c\u5b83\u4eec\u7684\u7ebf\u8def\u6570\u91cf\u4e5f\u4e0d\u5c3d\u76f8\u540c\u3002<\/p>\n

  RS-232<\/h3>\n

  RS-232\u662f\u4e00\u79cd\u6700\u5e38\u89c1\u7684UART\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u7684\u7ebf\u8def\u6570\u91cf\u4e3a9\u6761\uff0c\u5206\u522b\u662f\uff1aGND\u3001TXD\u3001RXD\u3001RTS\u3001CTS\u3001DTR\u3001DSR\u3001RI\u3001DCD\u3002<\/p>\n

  RS-422<\/h3>\n

  RS-422\u662f\u4e00\u79cd\u9ad8\u7ea7\u7684UART\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u7684\u7ebf\u8def\u6570\u91cf\u4e3a7\u6761\uff0c\u5206\u522b\u662f\uff1aGND\u3001TXD\u3001RXD\u3001RTS\u3001CTS\u3001DTR\u3001DSR\u3002<\/p>\n

  RS-485<\/h3>\n

  RS-485\u662f\u4e00\u79cd\u66f4\u9ad8\u7ea7\u7684UART\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u7684\u7ebf\u8def\u6570\u91cf\u4e3a4\u6761\uff0c\u5206\u522b\u662f\uff1aGND\u3001TXD\u3001RXD\u3001RTS\/CTS\u3002<\/p>\n

UART\u7ebf\u8def\u7535\u6c14\u53c2\u6570\u8981\u6c42<\/h2>\n

  UART\u7684\u7ebf\u8def\u7535\u6c14\u53c2\u6570\u8981\u6c42\u4e5f\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684UART\u63a5\u53e3\u6807\u51c6\u3002\u4e0d\u540c\u7684UART\u63a5\u53e3\u6807\u51c6\u5177\u6709\u4e0d\u540c\u7684\u7535\u6c14\u53c2\u6570\u8981\u6c42\uff0c\u6bd4\u5982\u7535\u538b\u3001\u7535\u6d41\u7b49\u3002<\/p>\n

  RS-232<\/h3>\n

  RS-232\u7684\u7ebf\u8def\u7535\u538b\u8981\u6c42\u4e3a-3V\uff5e+3V\uff0c\u7535\u6d41\u8981\u6c42\u4e3a1mA\uff5e20mA\u3002<\/p>\n

  RS-422<\/h3>\n

  RS-422\u7684\u7ebf\u8def\u7535\u538b\u8981\u6c42\u4e3a-7V\uff5e+12V\uff0c\u7535\u6d41\u8981\u6c42\u4e3a2mA\uff5e20mA\u3002<\/p>\n

  RS-485<\/h3>\n

  RS-485\u7684\u7ebf\u8def\u7535\u538b\u8981\u6c42\u4e3a-7V\uff5e+12V\uff0c\u7535\u6d41\u8981\u6c42\u4e3a2mA\uff5e20mA\u3002<\/p>\n

UART\u7ebf\u8def\u7f16\u53f7\u8981\u6c42<\/h2>\n

  UART\u7684\u7ebf\u8def\u7f16\u53f7\u8981\u6c42\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684UART\u63a5\u53e3\u6807\u51c6\u3002\u4e0d\u540c\u7684UART\u63a5\u53e3\u6807\u51c6\u5177\u6709\u4e0d\u540c\u7684\u7ebf\u8def\u7f16\u53f7\u8981\u6c42\uff0c\u4ee5\u4e0b\u662f\u5404\u79cdUART\u63a5\u53e3\u6807\u51c6\u7684\u7ebf\u8def\u7f16\u53f7\u8981\u6c42\uff1a<\/p>\n

  RS-232<\/h3>\n

  RS-232\u7684\u7ebf\u8def\u7f16\u53f7\u8981\u6c42\u4e3a\uff1aGND\uff080\uff09\u3001TXD\uff081\uff09\u3001RXD\uff082\uff09\u3001RTS\uff083\uff09\u3001CTS\uff084\uff09\u3001DTR\uff085\uff09\u3001DSR\uff086\uff09\u3001RI\uff087\uff09\u3001DCD\uff088\uff09\u3002<\/p>\n

  RS-422<\/h3>\n

  RS-422\u7684\u7ebf\u8def\u7f16\u53f7\u8981\u6c42\u4e3a\uff1aGND\uff080\uff09\u3001TXD\uff081\uff09\u3001RXD\uff082\uff09\u3001RTS\uff083\uff09\u3001CTS\uff084\uff09\u3001DTR\uff085\uff09\u3001DSR\uff086\uff09\u3002<\/p>\n

  RS-485<\/h3>\n

  RS-485\u7684\u7ebf\u8def\u7f16\u53f7\u8981\u6c42\u4e3a\uff1aGND\uff080\uff09\u3001TXD\uff081\uff09\u3001RXD\uff082\uff09\u3001RTS\/CTS\uff083\uff09\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  UART\u8d70\u7ebf\u8981\u6c42\u662f\u6307UART\u63a5\u53e3\u7684\u5177\u4f53\u8d70\u7ebf\u8981\u6c42\uff0c\u5305\u62ec\u7ebf\u8def\u7684\u6570\u91cf\u3001\u7ebf\u8def\u7684\u7535\u6c14\u53c2\u6570\u3001\u7ebf\u8def\u7684\u7f16\u53f7\u7b49\u3002<\/strong>UART\u7684\u7ebf\u8def\u6570\u91cf\u8981\u6c42\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684UART\u63a5\u53e3\u6807\u51c6\uff0c\u4e0d\u540c\u7684UART\u63a5\u53e3\u6807\u51c6\u5177\u6709\u4e0d\u540c\u7684\u7535\u6c14\u53c2\u6570\u8981\u6c42\uff0c\u4ee5\u53ca\u4e0d\u540c\u7684\u7ebf\u8def\u7f16\u53f7\u8981\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

UART\uff08UniversalAsynchronousReceiver\/Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u7279\u5b9a\u7684\u683c\u5f0f\u8fdb\u884c\u4f20\u8f93\uff0c\u662f\u76ee\u524d\u8bb8\u591a<\/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-39778","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-uart"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/39778"}],"collection":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/comments?post=39778"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/39778\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=39778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=39778"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=39778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}