{"id":20859,"date":"2023-09-09T07:19:56","date_gmt":"2023-09-08T23:19:56","guid":{"rendered":"\/\/www.dealsbon.com\/?p=20859"},"modified":"2023-09-09T07:19:56","modified_gmt":"2023-09-08T23:19:56","slug":"uhrtmdqbylx","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/20859.html","title":{"rendered":"UART\u548cRS485\uff1a\u5b83\u4eec\u7684\u533a\u522b\u4e0e\u8054\u7cfb"},"content":{"rendered":"

  UART\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u8bb8\u591a\u5e94\u7528\u4e2d\u90fd\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/strong>UART\u662f\u4e00\u79cd\u53cc\u5411\u3001\u5f02\u6b65\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u800cRS485\u662f\u4e00\u79cd\u5168\u53cc\u5de5\u3001\u540c\u6b65\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002\u4e24\u8005\u4e4b\u95f4\u6709\u7740\u660e\u663e\u7684\u533a\u522b\uff0c\u4f46\u4e5f\u6709\u8bb8\u591a\u76f8\u4f3c\u4e4b\u5904\u3002\u672c\u6587\u5c06\u6df1\u5165\u4ecb\u7ecdUART\u548cRS485\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n

UART\u7b80\u4ecb<\/h2>\n

  UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09\uff0c\u5373\u901a\u7528\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u662f\u4e00\u79cd\u53cc\u5411\u3001\u5f02\u6b65\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002UART\u901a\u4fe1\u534f\u8bae\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u4e14\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u6bd4\u59827\u4f4d\u30018\u4f4d\u30019\u4f4d\u7b49\u3002UART\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6ce2\u7279\u7387\uff0c\u4f46\u662f\u6700\u5e38\u7528\u7684\u662f115200bps\uff0c\u4e5f\u5c31\u662f\u6bcf\u79d2\u4f20\u8f93115200\u4e2a\u5b57\u8282\u7684\u6570\u636e\u3002UART\u534f\u8bae\u662f\u4e00\u79cd\u7b80\u5355\u6613\u7528\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u79cd\u7535\u5b50\u8bbe\u5907\uff0c\u6bd4\u5982PC\u673a\u3001\u624b\u673a\u3001\u5fae\u63a7\u5236\u5668\u7b49\u3002<\/p>\n

RS485\u7b80\u4ecb<\/h2>\n

  RS485\uff08Recommended Standard 485\uff09\uff0c\u5373\u63a8\u8350\u6807\u51c6485\uff0c\u662f\u4e00\u79cd\u5168\u53cc\u5de5\u3001\u540c\u6b65\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002RS485\u534f\u8bae\u4ee5\u5e27\uff08\u5e27\u5305\u542b\u591a\u4e2a\u5b57\u8282\uff09\u4e3a\u5355\u4f4d\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u6bd4\u59828\u4f4d\u300116\u4f4d\u300132\u4f4d\u7b49\u3002RS485\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6ce2\u7279\u7387\uff0c\u4f46\u662f\u6700\u5e38\u7528\u7684\u662f9600bps\uff0c\u4e5f\u5c31\u662f\u6bcf\u79d2\u4f20\u8f939600\u4e2a\u5b57\u8282\u7684\u6570\u636e\u3002RS485\u534f\u8bae\u662f\u4e00\u79cd\u9ad8\u6548\u53ef\u9760\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u79cd\u7535\u5b50\u8bbe\u5907\uff0c\u6bd4\u5982PC\u673a\u3001\u624b\u673a\u3001\u5fae\u63a7\u5236\u5668\u7b49\u3002<\/p>\n

UART\u548cRS485\u7684\u533a\u522b<\/h2>\n

\u6570\u636e\u4f20\u8f93\u5355\u4f4d<\/h3>\n

  UART\u548cRS485\u7684\u6700\u5927\u533a\u522b\u5728\u4e8e\u6570\u636e\u4f20\u8f93\u5355\u4f4d\u4e0d\u540c\u3002UART\u534f\u8bae\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u800cRS485\u534f\u8bae\u4ee5\u5e27\uff08\u5e27\u5305\u542b\u591a\u4e2a\u5b57\u8282\uff09\u4e3a\u5355\u4f4d\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

\u6570\u636e\u4f20\u8f93\u901f\u7387<\/h3>\n

  UART\u548cRS485\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e5f\u6709\u6240\u4e0d\u540c\u3002UART\u901a\u4fe1\u534f\u8bae\u652f\u6301\u591a\u79cd\u6ce2\u7279\u7387\uff0c\u4f46\u662f\u6700\u5e38\u7528\u7684\u662f115200bps\uff0c\u4e5f\u5c31\u662f\u6bcf\u79d2\u4f20\u8f93115200\u4e2a\u5b57\u8282\u7684\u6570\u636e\u3002\u800cRS485\u901a\u4fe1\u534f\u8bae\u652f\u6301\u591a\u79cd\u6ce2\u7279\u7387\uff0c\u4f46\u662f\u6700\u5e38\u7528\u7684\u662f9600bps\uff0c\u4e5f\u5c31\u662f\u6bcf\u79d2\u4f20\u8f939600\u4e2a\u5b57\u8282\u7684\u6570\u636e\u3002<\/p>\n

\u6570\u636e\u4f20\u8f93\u65b9\u5f0f<\/h3>\n

  UART\u548cRS485\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\u4e5f\u6709\u6240\u4e0d\u540c\u3002UART\u662f\u4e00\u79cd\u53cc\u5411\u3001\u5f02\u6b65\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u800cRS485\u662f\u4e00\u79cd\u5168\u53cc\u5de5\u3001\u540c\u6b65\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n

UART\u548cRS485\u7684\u8054\u7cfb<\/h2>\n

  UART\u548cRS485\u5728\u8bb8\u591a\u65b9\u9762\u90fd\u6709\u7740\u660e\u663e\u7684\u533a\u522b\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u4e5f\u6709\u8bb8\u591a\u76f8\u4f3c\u4e4b\u5904\u3002\u9996\u5148\uff0c\u5b83\u4eec\u90fd\u662f\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5176\u6b21\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u6bd4\u59827\u4f4d\u30018\u4f4d\u30019\u4f4d\u7b49\u3002\u6700\u540e\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6ce2\u7279\u7387\uff0c\u4f46\u662f\u6700\u5e38\u7528\u7684\u6ce2\u7279\u7387\u5206\u522b\u662f115200bps\u548c9600bps\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  UART\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u8bb8\u591a\u5e94\u7528\u4e2d\u90fd\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/strong>UART\u662f\u4e00\u79cd\u53cc\u5411\u3001\u5f02\u6b65\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u800cRS485\u662f\u4e00\u79cd\u5168\u53cc\u5de5\u3001\u540c\u6b65\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002UART\u548cRS485\u4e4b\u95f4\u6709\u7740\u660e\u663e\u7684\u533a\u522b\uff0c\u4f46\u4e5f\u6709\u8bb8\u591a\u76f8\u4f3c\u4e4b\u5904\u3002\u5b83\u4eec\u90fd\u662f\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u79cd\u7535\u5b50\u8bbe\u5907\uff0c\u6bd4\u5982PC\u673a\u3001\u624b\u673a\u3001\u5fae\u63a7\u5236\u5668\u7b49\u3002\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86UART\u548cRS485\u7684\u533a\u522b\u548c\u8054\u7cfb\uff0c\u5e0c\u671b\u80fd\u591f\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

UART\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u8bb8\u591a\u5e94\u7528\u4e2d\u90fd\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002UART\u662f\u4e00\u79cd\u53cc\u5411\u3001\u5f02\u6b65\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u800cRS485\u662f\u4e00\u79cd\u5168\u53cc\u5de5<\/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":[61],"class_list":["post-20859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/20859"}],"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=20859"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/20859\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=20859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=20859"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=20859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}