{"id":30197,"date":"2023-09-18T22:02:16","date_gmt":"2023-09-18T14:02:16","guid":{"rendered":"\/\/www.dealsbon.com\/?p=30197"},"modified":"2023-09-18T22:02:16","modified_gmt":"2023-09-18T14:02:16","slug":"mnuysl","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/30197.html","title":{"rendered":"\u6a21\u62dfUSART\u8981\u4e0a\u62c9"},"content":{"rendered":"

  \u6a21\u62dfUSART\uff08Universal Synchronous Asynchronous Receiver Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u4e32\u884c\u6570\u636e\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u540c\u6b65\u548c\u5f02\u6b65\u7684\u6570\u636e\u4f20\u8f93\u3002\u5728\u4f7f\u7528\u6a21\u62dfUSART\u65f6\uff0c\u8981\u4e0a\u62c9\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6280\u672f\u7ec6\u8282\uff0c\u8fd9\u91cc\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u6a21\u62dfUSART\u8981\u4e0a\u62c9\u7684\u57fa\u672c\u539f\u7406\u53ca\u5176\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n

\u4ec0\u4e48\u662fUSART\u8981\u4e0a\u62c9\uff1f<\/h2>\n

  USART\u8981\u4e0a\u62c9\u662f\u6307\u5c06\u6a21\u62dfUSART\u7684\u8f93\u5165\u7aef\u53e3\uff08RX\uff09\u4e0eVCC\uff08\u7535\u6e90\u7535\u538b\uff09\u8fde\u63a5\uff0c\u4f7f\u5176\u4fdd\u6301\u5728\u9ad8\u7535\u5e73\uff08H\uff09\u72b6\u6001\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u63a5\u6536\u7684\u529f\u80fd\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cUSART\u8981\u4e0a\u62c9\u662f\u901a\u8fc7\u628a\u7535\u963b\u8fde\u63a5\u5230VCC\uff0c\u4ece\u800c\u5b9e\u73b0\u7684\u3002<\/p>\n

USART\u8981\u4e0a\u62c9\u7684\u4f5c\u7528<\/h2>\n

  USART\u8981\u4e0a\u62c9\u7684\u4f5c\u7528\u662f\u4fdd\u8bc1\u6a21\u62dfUSART\u7684\u8f93\u5165\u7aef\u53e3\uff08RX\uff09\u4fdd\u6301\u5728\u9ad8\u7535\u5e73\uff08H\uff09\u72b6\u6001\uff0c\u4ece\u800c\u5b9e\u73b0\u6a21\u62dfUSART\u7684\u6b63\u5e38\u63a5\u6536\u529f\u80fd\u3002\u4e3a\u4e86\u4fdd\u8bc1\u6a21\u62dfUSART\u7684\u6b63\u5e38\u5de5\u4f5c\uff0c\u5fc5\u987b\u5c06RX\u7aef\u53e3\u8fde\u63a5\u5230VCC\uff0c\u4ece\u800c\u5b9e\u73b0USART\u8981\u4e0a\u62c9\u7684\u529f\u80fd\u3002<\/p>\n

USART\u8981\u4e0a\u62c9\u7684\u5b9e\u9645\u5e94\u7528<\/h2>\n

  USART\u8981\u4e0a\u62c9\u7684\u5b9e\u9645\u5e94\u7528\u4e3b\u8981\u662f\u5728\u6a21\u62dfUSART\u7684\u8f93\u5165\u7aef\u53e3\uff08RX\uff09\u4e0a\uff0c\u5c06RX\u7aef\u53e3\u4e0eVCC\uff08\u7535\u6e90\u7535\u538b\uff09\u8fde\u63a5\uff0c\u4f7f\u5176\u4fdd\u6301\u5728\u9ad8\u7535\u5e73\uff08H\uff09\u72b6\u6001\uff0c\u4ece\u800c\u5b9e\u73b0\u6a21\u62dfUSART\u7684\u6b63\u5e38\u63a5\u6536\u529f\u80fd\u3002\u53e6\u5916\uff0cUSART\u8981\u4e0a\u62c9\u4e5f\u53ef\u4ee5\u7528\u4e8e\u6a21\u62dfUSART\u8f93\u51fa\u7aef\u53e3\uff08TX\uff09\uff0c\u4ee5\u5b9e\u73b0\u6a21\u62dfUSART\u7684\u6b63\u5e38\u53d1\u9001\u529f\u80fd\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u6a21\u62dfUSART\u8981\u4e0a\u62c9\u662f\u6307\u5c06\u6a21\u62dfUSART\u7684\u8f93\u5165\u7aef\u53e3\uff08RX\uff09\u4e0eVCC\uff08\u7535\u6e90\u7535\u538b\uff09\u8fde\u63a5\uff0c\u4f7f\u5176\u4fdd\u6301\u5728\u9ad8\u7535\u5e73\uff08H\uff09\u72b6\u6001\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u63a5\u6536\u7684\u529f\u80fd\u3002<\/strong>USART\u8981\u4e0a\u62c9\u7684\u5b9e\u9645\u5e94\u7528\u4e3b\u8981\u662f\u5728\u6a21\u62dfUSART\u7684\u8f93\u5165\u7aef\u53e3\uff08RX\uff09\u4e0a\uff0c\u5c06RX\u7aef\u53e3\u4e0eVCC\uff08\u7535\u6e90\u7535\u538b\uff09\u8fde\u63a5\uff0c\u4f7f\u5176\u4fdd\u6301\u5728\u9ad8\u7535\u5e73\uff08H\uff09\u72b6\u6001\uff0c\u4ece\u800c\u5b9e\u73b0\u6a21\u62dfUSART\u7684\u6b63\u5e38\u63a5\u6536\u529f\u80fd\u3002\u53e6\u5916\uff0cUSART\u8981\u4e0a\u62c9\u4e5f\u53ef\u4ee5\u7528\u4e8e\u6a21\u62dfUSART\u8f93\u51fa\u7aef\u53e3\uff08TX\uff09\uff0c\u4ee5\u5b9e\u73b0\u6a21\u62dfUSART\u7684\u6b63\u5e38\u53d1\u9001\u529f\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6a21\u62dfUSART\uff08Universal Synchronous Asynchronous Receiver Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u4e32\u884c\u6570\u636e\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u540c<\/p>\n","protected":false},"author":1,"featured_media":3671,"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":[150],"class_list":["post-30197","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-mnl"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/30197"}],"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=30197"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/30197\/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=30197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=30197"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=30197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}