UART\uff08Universal Asynchronous Receiver \/ Transmitter\uff09\u662f\u4e00\u79cd\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u7528\u4e8e\u5728\u4e0d\u540c\u7684\u7535\u5b50\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u6709\u4e24\u4e2a\u4e3b\u8981\u90e8\u5206\uff1aUART\u5bc4\u5b58\u5668\u548c\u63a7\u5236\u3002UART\u5bc4\u5b58\u5668\u7528\u4e8e\u63a7\u5236\u6570\u636e\u7684\u4f20\u8f93\uff0c\u800c\u63a7\u5236\u90e8\u5206\u5219\u7528\u4e8e\u63a7\u5236UART\u7684\u529f\u80fd\u3002\u672c\u6587\u5c06\u8ba8\u8bbaUART\u5bc4\u5b58\u5668\u548c\u63a7\u5236\u7684\u529f\u80fd\u3002<\/p>\n
UART\u5bc4\u5b58\u5668\u662fUART\u7684\u4e3b\u8981\u90e8\u5206\uff0c\u7528\u4e8e\u63a7\u5236\u6570\u636e\u7684\u4f20\u8f93\u3002UART\u5bc4\u5b58\u5668\u5305\u62ec\u63a5\u6536\u5bc4\u5b58\u5668\uff08RX\uff09\u548c\u53d1\u9001\u5bc4\u5b58\u5668\uff08TX\uff09\u3002\u63a5\u6536\u5bc4\u5b58\u5668\u7528\u4e8e\u5b58\u50a8\u4ece\u63a5\u6536\u5668\u63a5\u6536\u5230\u7684\u6570\u636e\uff0c\u800c\u53d1\u9001\u5bc4\u5b58\u5668\u5219\u7528\u4e8e\u5b58\u50a8\u8981\u53d1\u9001\u5230\u53d1\u9001\u5668\u7684\u6570\u636e\u3002UART\u5bc4\u5b58\u5668\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u529f\u80fd\uff0c\u5982\u63a7\u5236\u5b57\u7b26\u7684\u5927\u5c0f\uff0c\u63a7\u5236\u4f20\u8f93\u7684\u901f\u7387\u7b49\u3002<\/p>\n
\u63a5\u6536\u5bc4\u5b58\u5668\uff08RX\uff09\u7528\u4e8e\u5b58\u50a8\u4ece\u63a5\u6536\u5668\u63a5\u6536\u5230\u7684\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u63a5\u65368\u4f4d\u62169\u4f4d\u5b57\u7b26\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5185\u90e8\u5bc4\u5b58\u5668\u4e2d\u3002\u5b83\u8fd8\u53ef\u4ee5\u68c0\u6d4b\u8f93\u5165\u6570\u636e\u7684\u9519\u8bef\uff0c\u5982\u5947\u5076\u6821\u9a8c\u9519\u8bef\uff0c\u5e76\u5c06\u9519\u8bef\u7684\u6570\u636e\u4e22\u5f03\u3002<\/p>\n
\u53d1\u9001\u5bc4\u5b58\u5668\uff08TX\uff09\u7528\u4e8e\u5b58\u50a8\u8981\u53d1\u9001\u5230\u53d1\u9001\u5668\u7684\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u53d1\u90018\u4f4d\u62169\u4f4d\u5b57\u7b26\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5185\u90e8\u5bc4\u5b58\u5668\u4e2d\u3002\u5b83\u8fd8\u53ef\u4ee5\u68c0\u6d4b\u8f93\u51fa\u6570\u636e\u7684\u9519\u8bef\uff0c\u5982\u5947\u5076\u6821\u9a8c\u9519\u8bef\uff0c\u5e76\u5c06\u9519\u8bef\u7684\u6570\u636e\u4e22\u5f03\u3002<\/p>\n
UART\u5bc4\u5b58\u5668\u53ef\u4ee5\u63a7\u5236\u53d1\u9001\u548c\u63a5\u6536\u7684\u5b57\u7b26\u5927\u5c0f\u3002\u5b83\u53ef\u4ee5\u63a7\u5236\u53d1\u9001\u548c\u63a5\u6536\u7684\u5b57\u7b26\u4e3a8\u4f4d\u62169\u4f4d\u3002\u8fd9\u6837\u53ef\u4ee5\u4f7fUART\u66f4\u52a0\u7075\u6d3b\uff0c\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u8981\u6765\u63a7\u5236\u5b57\u7b26\u5927\u5c0f\u3002<\/p>\n
UART\u5bc4\u5b58\u5668\u8fd8\u53ef\u4ee5\u63a7\u5236\u6570\u636e\u4f20\u8f93\u7684\u901f\u7387\u3002\u5b83\u53ef\u4ee5\u63a7\u5236\u4f20\u8f93\u901f\u7387\u4e3a1200\uff0c2400\uff0c4800\uff0c9600\uff0c19200\uff0c38400\uff0c57600\u548c115200 bps\u3002\u8fd9\u6837\u53ef\u4ee5\u4f7fUART\u66f4\u52a0\u7075\u6d3b\uff0c\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u8981\u6765\u63a7\u5236\u4f20\u8f93\u901f\u7387\u3002<\/p>\n
UART\u7684\u63a7\u5236\u90e8\u5206\u7528\u4e8e\u63a7\u5236UART\u7684\u529f\u80fd\u3002\u5b83\u5305\u62ec\u8bb8\u591a\u63a7\u5236\u5bc4\u5b58\u5668\uff0c\u5982\u63a7\u5236\u5bc4\u5b58\u5668\uff08CR\uff09\uff0c\u72b6\u6001\u5bc4\u5b58\u5668\uff08SR\uff09\uff0c\u6a21\u5f0f\u5bc4\u5b58\u5668\uff08MR\uff09\u7b49\u3002\u8fd9\u4e9b\u5bc4\u5b58\u5668\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236UART\u7684\u4f20\u8f93\u901f\u7387\uff0c\u5b57\u7b26\u5927\u5c0f\uff0c\u5947\u5076\u6821\u9a8c\uff0c\u8d85\u65f6\u8ba1\u6570\u5668\u7b49\u3002<\/p>\n
\u63a7\u5236\u5bc4\u5b58\u5668\uff08CR\uff09\u7528\u4e8e\u63a7\u5236UART\u7684\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236UART\u7684\u4f20\u8f93\u901f\u7387\uff0c\u5b57\u7b26\u5927\u5c0f\uff0c\u5947\u5076\u6821\u9a8c\uff0c\u8d85\u65f6\u8ba1\u6570\u5668\u7b49\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236UART\u7684\u53d1\u9001\u548c\u63a5\u6536\u529f\u80fd\uff0c\u4ee5\u53ca\u63a7\u5236UART\u7684\u4e2d\u65ad\u529f\u80fd\u3002<\/p>\n
\u72b6\u6001\u5bc4\u5b58\u5668\uff08SR\uff09\u7528\u4e8e\u68c0\u6d4bUART\u7684\u72b6\u6001\u3002\u5b83\u53ef\u4ee5\u68c0\u6d4bUART\u7684\u53d1\u9001\u548c\u63a5\u6536\u72b6\u6001\uff0c\u4ee5\u53caUART\u7684\u4e2d\u65ad\u72b6\u6001\u3002\u5b83\u8fd8\u53ef\u4ee5\u68c0\u6d4b\u8f93\u5165\u6570\u636e\u7684\u9519\u8bef\uff0c\u5982\u5947\u5076\u6821\u9a8c\u9519\u8bef\uff0c\u5e76\u5c06\u9519\u8bef\u7684\u6570\u636e\u4e22\u5f03\u3002<\/p>\n
\u6a21\u5f0f\u5bc4\u5b58\u5668\uff08MR\uff09\u7528\u4e8e\u8bbe\u7f6eUART\u7684\u6a21\u5f0f\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u8bbe\u7f6eUART\u7684\u4f20\u8f93\u901f\u7387\uff0c\u5b57\u7b26\u5927\u5c0f\uff0c\u5947\u5076\u6821\u9a8c\uff0c\u8d85\u65f6\u8ba1\u6570\u5668\u7b49\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8bbe\u7f6eUART\u7684\u53d1\u9001\u548c\u63a5\u6536\u6a21\u5f0f\uff0c\u4ee5\u53ca\u63a7\u5236UART\u7684\u4e2d\u65ad\u6a21\u5f0f\u3002<\/p>\n
UART\u5bc4\u5b58\u5668\u548c\u63a7\u5236\u662fUART\u7684\u4e24\u4e2a\u4e3b\u8981\u90e8\u5206\u3002<\/strong>UART\u5bc4\u5b58\u5668\u7528\u4e8e\u63a7\u5236\u6570\u636e\u7684\u4f20\u8f93\uff0c\u5305\u62ec\u63a5\u6536\u5bc4\u5b58\u5668\uff08RX\uff09\u548c\u53d1\u9001\u5bc4\u5b58\u5668\uff08TX\uff09\uff0c\u4ee5\u53ca\u63a7\u5236\u5b57\u7b26\u5927\u5c0f\u548c\u4f20\u8f93\u901f\u7387\u3002\u800c\u63a7\u5236\u90e8\u5206\u5219\u7528\u4e8e\u63a7\u5236UART\u7684\u529f\u80fd\uff0c\u5305\u62ec\u63a7\u5236\u5bc4\u5b58\u5668\uff08CR\uff09\uff0c\u72b6\u6001\u5bc4\u5b58\u5668\uff08SR\uff09\u548c\u6a21\u5f0f\u5bc4\u5b58\u5668\uff08MR\uff09\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" UART\uff08UniversalAsynchronousReceiver\/Transmitter\uff09\u662f\u4e00\u79cd\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u7528\u4e8e\u5728\u4e0d\u540c\u7684\u7535\u5b50\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u6709\u4e24\u4e2a\u4e3b<\/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-39483","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\/39483"}],"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=39483"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/39483\/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=39483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=39483"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=39483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}