{"id":40151,"date":"2023-10-02T06:35:15","date_gmt":"2023-10-01T22:35:15","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=40151"},"modified":"2023-10-02T06:35:15","modified_gmt":"2023-10-01T22:35:15","slug":"ggzmstj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/40151.html","title":{"rendered":"GPIO\u5de5\u4f5c\u6a21\u5f0f\u63a2\u7a76"},"content":{"rendered":"<p>&emsp;&emsp;GPIO\uff08General Purpose Input Output\uff09\u662f\u4e00\u79cd\u901a\u7528\u8f93\u5165\u8f93\u51fa\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u5916\u90e8\u4fe1\u53f7\uff0c\u4e5f\u53ef\u4ee5\u53d1\u51fa\u4fe1\u53f7\uff0c\u662f\u7535\u5b50\u8bbe\u5907\u4e2d\u5e38\u7528\u7684\u4e00\u79cd\u63a5\u53e3\u3002GPIO\u7684\u5de5\u4f5c\u6a21\u5f0f\u67098\u79cd\uff0c\u5206\u522b\u662f\u8f93\u5165\u6a21\u5f0f\u3001\u8f93\u51fa\u6a21\u5f0f\u3001\u4e32\u53e3\u6a21\u5f0f\u3001I2C\u6a21\u5f0f\u3001SPI\u6a21\u5f0f\u3001PWM\u6a21\u5f0f\u3001\u4e2d\u65ad\u6a21\u5f0f\u3001ADC\u6a21\u5f0f\u3002\u672c\u6587\u5c06\u5bf9GPIO\u76848\u79cd\u5de5\u4f5c\u6a21\u5f0f\u8fdb\u884c\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3GPIO\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<h2 style=\"text-align: center;\">\u8f93\u5165\u6a21\u5f0f<\/h2>\n<p>&emsp;&emsp;\u8f93\u5165\u6a21\u5f0f\u662fGPIO\u6700\u57fa\u672c\u7684\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u5916\u90e8\u4fe1\u53f7\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u7535\u5e73\u4fe1\u53f7\uff0c\u4ece\u800c\u8ba9\u7535\u5b50\u8bbe\u5907\u53ef\u4ee5\u8bfb\u53d6\u5916\u90e8\u4fe1\u53f7\u7684\u72b6\u6001\u3002\u8f93\u5165\u6a21\u5f0f\u53ef\u4ee5\u63a5\u6536\u5916\u90e8\u4fe1\u53f7\u7684\u7535\u5e73\u53d8\u5316\uff0c\u4e00\u822c\u7528\u4e8e\u68c0\u6d4b\u5916\u90e8\u8bbe\u5907\u7684\u72b6\u6001\uff0c\u4f8b\u5982\u68c0\u6d4b\u6309\u952e\u662f\u5426\u88ab\u6309\u4e0b\uff0c\u68c0\u6d4b\u5149\u7ebf\u5f3a\u5ea6\u7b49\u3002<\/p>\n<h2 style=\"text-align: center;\">\u8f93\u51fa\u6a21\u5f0f<\/h2>\n<p>&emsp;&emsp;\u8f93\u51fa\u6a21\u5f0f\u662fGPIO\u7684\u53e6\u4e00\u79cd\u5e38\u7528\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u7535\u8def\u5185\u90e8\u7684\u7535\u5e73\u4fe1\u53f7\u8f6c\u6362\u4e3a\u5916\u90e8\u7684\u7535\u5e73\u4fe1\u53f7\uff0c\u7528\u4e8e\u63a7\u5236\u5916\u90e8\u8bbe\u5907\u7684\u72b6\u6001\u3002\u4f8b\u5982\u53ef\u4ee5\u7528\u8f93\u51fa\u6a21\u5f0f\u63a7\u5236LED\u7684\u4eae\u706d\uff0c\u63a7\u5236\u8702\u9e23\u5668\u7684\u53d1\u58f0\u7b49\u3002<\/p>\n<h2 style=\"text-align: center;\">\u4e32\u53e3\u6a21\u5f0f<\/h2>\n<p>&emsp;&emsp;\u4e32\u53e3\u6a21\u5f0f\u662fGPIO\u7684\u4e00\u79cd\u5e38\u7528\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u7535\u8def\u5185\u90e8\u7684\u4fe1\u53f7\u8f6c\u6362\u4e3a\u53ef\u8bc6\u522b\u7684\u4e32\u53e3\u4fe1\u53f7\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u7535\u8def\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u901a\u4fe1\u3002\u4e32\u53e3\u6a21\u5f0f\u901a\u5e38\u7528\u4e8e\u63a7\u5236\u5916\u90e8\u8bbe\u5907\uff0c\u4f8b\u5982\u63a7\u5236\u7535\u673a\u7684\u8f6c\u52a8\u3001\u63a7\u5236LCD\u663e\u793a\u5c4f\u7684\u663e\u793a\u5185\u5bb9\u7b49\u3002<\/p>\n<h2 style=\"text-align: center;\">I2C\u6a21\u5f0f<\/h2>\n<p>&emsp;&emsp;I2C\u6a21\u5f0f\u662fGPIO\u7684\u4e00\u79cd\u5e38\u7528\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u7535\u8def\u5185\u90e8\u7684\u4fe1\u53f7\u8f6c\u6362\u4e3a\u53ef\u8bc6\u522b\u7684I2C\u4fe1\u53f7\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u7535\u8def\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u901a\u4fe1\u3002I2C\u6a21\u5f0f\u53ef\u4ee5\u5b9e\u73b0\u591a\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u901f\u901a\u4fe1\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u8bbe\u5907\u5171\u4eab\u4e00\u4e2a\u603b\u7ebf\uff0c\u8fd9\u6837\u53ef\u4ee5\u5927\u5927\u51cf\u5c11\u7535\u8def\u7684\u590d\u6742\u5ea6\u3002<\/p>\n<h2 style=\"text-align: center;\">SPI\u6a21\u5f0f<\/h2>\n<p>&emsp;&emsp;SPI\u6a21\u5f0f\u662fGPIO\u7684\u4e00\u79cd\u5e38\u7528\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u7535\u8def\u5185\u90e8\u7684\u4fe1\u53f7\u8f6c\u6362\u4e3a\u53ef\u8bc6\u522b\u7684SPI\u4fe1\u53f7\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u7535\u8def\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u901a\u4fe1\u3002SPI\u6a21\u5f0f\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u901f\u901a\u4fe1\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u8bbe\u5907\u5171\u4eab\u4e00\u4e2a\u603b\u7ebf\uff0c\u8fd9\u6837\u53ef\u4ee5\u5927\u5927\u51cf\u5c11\u7535\u8def\u7684\u590d\u6742\u5ea6\u3002<\/p>\n<h2 style=\"text-align: center;\">PWM\u6a21\u5f0f<\/h2>\n<p>&emsp;&emsp;PWM\uff08Pulse Width Modulation\uff09\u6a21\u5f0f\u662fGPIO\u7684\u4e00\u79cd\u5e38\u7528\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u6a21\u62df\u4e00\u4e2a\u8fde\u7eed\u53d8\u5316\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u53ef\u4ee5\u63a7\u5236\u5916\u90e8\u8bbe\u5907\u7684\u72b6\u6001\u3002\u4f8b\u5982\u53ef\u4ee5\u7528PWM\u6a21\u5f0f\u63a7\u5236\u7535\u673a\u7684\u8f6c\u901f\uff0c\u63a7\u5236LED\u7684\u4eae\u5ea6\u7b49\u3002<\/p>\n<h2 style=\"text-align: center;\">\u4e2d\u65ad\u6a21\u5f0f<\/h2>\n<p>&emsp;&emsp;\u4e2d\u65ad\u6a21\u5f0f\u662fGPIO\u7684\u4e00\u79cd\u5e38\u7528\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u76d1\u6d4b\u5916\u90e8\u8bbe\u5907\u7684\u72b6\u6001\u53d8\u5316\uff0c\u5e76\u53ca\u65f6\u54cd\u5e94\u5916\u90e8\u8bbe\u5907\u7684\u72b6\u6001\u53d8\u5316\u3002\u4f8b\u5982\u53ef\u4ee5\u7528\u4e2d\u65ad\u6a21\u5f0f\u68c0\u6d4b\u6309\u952e\u662f\u5426\u88ab\u6309\u4e0b\uff0c\u68c0\u6d4b\u5149\u7ebf\u5f3a\u5ea6\u7b49\u3002<\/p>\n<h2 style=\"text-align: center;\">ADC\u6a21\u5f0f<\/h2>\n<p>&emsp;&emsp;ADC\u6a21\u5f0f\u662fGPIO\u7684\u4e00\u79cd\u5e38\u7528\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u5916\u90e8\u7684\u6a21\u62df\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u4ece\u800c\u53ef\u4ee5\u8ba9\u7535\u5b50\u8bbe\u5907\u8bfb\u53d6\u5916\u90e8\u7684\u6a21\u62df\u4fe1\u53f7\u3002\u4f8b\u5982\u53ef\u4ee5\u7528ADC\u6a21\u5f0f\u8bfb\u53d6\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u6e29\u5ea6\u6570\u636e\uff0c\u8bfb\u53d6\u6e7f\u5ea6\u4f20\u611f\u5668\u7684\u6e7f\u5ea6\u6570\u636e\u7b49\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>\u4ee5\u4e0a\u5c31\u662fGPIO\u76848\u79cd\u5de5\u4f5c\u6a21\u5f0f\u7684\u4ecb\u7ecd\uff0c\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3GPIO\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/strong>\u6bcf\u79cd\u5de5\u4f5c\u6a21\u5f0f\u90fd\u6709\u5176\u7279\u5b9a\u7684\u7528\u9014\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u5de5\u4f5c\u6a21\u5f0f\uff0c\u624d\u80fd\u5b9e\u73b0\u6700\u4f18\u7684\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GPIO\uff08GeneralPurposeInputOutput\uff09\u662f\u4e00\u79cd\u901a\u7528\u8f93\u5165\u8f93\u51fa\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u5916\u90e8\u4fe1\u53f7\uff0c\u4e5f\u53ef\u4ee5\u53d1\u51fa\u4fe1\u53f7\uff0c\u662f\u7535\u5b50\u8bbe\u5907\u4e2d\u5e38\u7528\u7684\u4e00\u79cd\u63a5\u53e3\u3002GPIO\u7684\u5de5\u4f5c<\/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":[222],"class_list":["post-40151","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ycio"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/40151","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=40151"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/40151\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=40151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=40151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=40151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}