{"id":63437,"date":"2023-11-02T15:04:15","date_gmt":"2023-11-02T07:04:15","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=63437"},"modified":"2023-11-02T15:04:15","modified_gmt":"2023-11-02T07:04:15","slug":"utcsysmdp","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/63437.html","title":{"rendered":"UART\u901a\u5e38\u4f7f\u7528\u4ec0\u4e48\u7535\u5e73\uff1f"},"content":{"rendered":"<p>&emsp;&emsp;UART\uff08Universal Asynchronous Receiver \/ Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e32\u884c\u6570\u636e\u8f6c\u6362\u4e3a\u5e76\u884c\u6570\u636e\uff0c\u4ee5\u4fbf\u5728\u8ba1\u7b97\u673a\u6216\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u3002\u5b83\u4f7f\u7528\u4e24\u4e2a\u79f0\u4e3aRX\u548cTX\u7684\u4fe1\u53f7\u7ebf\uff0c\u5176\u4e2dRX\u7528\u4e8e\u63a5\u6536\u6570\u636e\uff0c\u800cTX\u7528\u4e8e\u53d1\u9001\u6570\u636e\u3002UART\u901a\u5e38\u4f7f\u7528TTL\u7535\u5e73\u6216RS-232\u7535\u5e73\uff0c\u4e24\u8005\u90fd\u6709\u4e0d\u540c\u7684\u4f18\u70b9\u548c\u7f3a\u70b9\u3002<\/p>\n<h2 style=\"text-align: center;\">TTL\u7535\u5e73<\/h2>\n<p>&emsp;&emsp;TTL\u7535\u5e73\uff08Transistor-Transistor Logic\uff09\u662f\u4e00\u79cd\u7535\u5b50\u7535\u8def\u7684\u6807\u51c6\uff0c\u5b83\u7531\u6676\u4f53\u7ba1\u548c\u53cc\u6781\u578b\u7535\u5b50\u5143\u4ef6\u7ec4\u6210\u3002TTL\u7535\u5e73\u4f7f\u75280V\u548c5V\u4e24\u4e2a\u7535\u538b\u7ea7\uff0c\u5176\u4e2d0V\u8868\u793a\u4f4e\u7535\u5e73\uff0c5V\u8868\u793a\u9ad8\u7535\u5e73\u3002TTL\u7535\u5e73\u7684\u4f18\u70b9\u5728\u4e8e\u5b83\u7684\u4f4e\u6210\u672c\u548c\u9ad8\u901f\u5ea6\uff0c\u4f46\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u4f20\u8f93\u8f83\u77ed\u7684\u8ddd\u79bb\uff08\u7ea620\u7c73\uff09\uff0c\u800c\u4e14\u5b83\u7684\u7535\u538b\u8303\u56f4\u8f83\u7a84\uff0c\u53ea\u80fd\u57280V\u548c5V\u4e4b\u95f4\u53d8\u5316\u3002<\/p>\n<h2 style=\"text-align: center;\">RS-232\u7535\u5e73<\/h2>\n<p>&emsp;&emsp;RS-232\u7535\u5e73\uff08Recommended Standard 232\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u4e32\u884c\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u4f7f\u7528\u4e00\u4e2a\u5355\u4e00\u7684\u4fe1\u53f7\u7ebf\u6765\u4f20\u8f93\u6570\u636e\u3002RS-232\u7535\u5e73\u4f7f\u7528-12V\u548c12V\u4e24\u4e2a\u7535\u538b\u7ea7\uff0c\u5176\u4e2d-12V\u8868\u793a\u4f4e\u7535\u5e73\uff0c12V\u8868\u793a\u9ad8\u7535\u5e73\u3002RS-232\u7535\u5e73\u7684\u4f18\u70b9\u5728\u4e8e\u5b83\u53ef\u4ee5\u4f20\u8f93\u8f83\u957f\u7684\u8ddd\u79bb\uff08\u7ea650\u7c73\uff09\uff0c\u800c\u4e14\u5b83\u7684\u7535\u538b\u8303\u56f4\u8f83\u5bbd\uff0c\u53ef\u4ee5\u5728-12V\u548c12V\u4e4b\u95f4\u53d8\u5316\u3002\u4f46\u7f3a\u70b9\u5728\u4e8e\u5b83\u7684\u6210\u672c\u8f83\u9ad8\uff0c\u800c\u4e14\u901f\u5ea6\u8f83\u6162\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>\u7efc\u4e0a\u6240\u8ff0\uff0cUART\u901a\u5e38\u4f7f\u7528TTL\u7535\u5e73\u6216RS-232\u7535\u5e73\uff0c\u4e24\u8005\u90fd\u6709\u4e0d\u540c\u7684\u4f18\u70b9\u548c\u7f3a\u70b9\u3002<\/strong>TTL\u7535\u5e73\u7684\u4f18\u70b9\u5728\u4e8e\u5b83\u7684\u4f4e\u6210\u672c\u548c\u9ad8\u901f\u5ea6\uff0c\u4f46\u5b83\u53ea\u80fd\u4f20\u8f93\u8f83\u77ed\u7684\u8ddd\u79bb\uff0c\u800c\u4e14\u5b83\u7684\u7535\u538b\u8303\u56f4\u8f83\u7a84\u3002RS-232\u7535\u5e73\u7684\u4f18\u70b9\u5728\u4e8e\u5b83\u53ef\u4ee5\u4f20\u8f93\u8f83\u957f\u7684\u8ddd\u79bb\uff0c\u800c\u4e14\u5b83\u7684\u7535\u538b\u8303\u56f4\u8f83\u5bbd\uff0c\u4f46\u5b83\u7684\u6210\u672c\u8f83\u9ad8\uff0c\u800c\u4e14\u901f\u5ea6\u8f83\u6162\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UART\uff08UniversalAsynchronousReceiver\/Transmitter\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e32\u884c\u6570\u636e\u8f6c\u6362\u4e3a\u5e76\u884c\u6570\u636e\uff0c\u4ee5\u4fbf\u5728\u8ba1\u7b97\u673a<\/p>\n","protected":false},"author":1,"featured_media":1839,"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-63437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-uart"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/63437","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=63437"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/63437\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/1839"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=63437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=63437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=63437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}