{"id":41348,"date":"2023-09-30T10:37:40","date_gmt":"2023-09-30T02:37:40","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=41348"},"modified":"2023-09-30T10:37:40","modified_gmt":"2023-09-30T02:37:40","slug":"gdbzgzms","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/41348.html","title":{"rendered":"GPIO\u7684\u516b\u79cd\u5de5\u4f5c\u6a21\u5f0f"},"content":{"rendered":"

  GPIO\uff08General Purpose Input\/Output\uff09\u662f\u4e00\u79cd\u63a7\u5236\u7535\u5b50\u8bbe\u5907\u7684\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u8ba9\u7535\u5b50\u8bbe\u5907\u901a\u8fc7\u7f16\u7a0b\u63a7\u5236\u8f93\u5165\u548c\u8f93\u51fa\u4fe1\u53f7\u3002\u5b83\u53ef\u4ee5\u5b9e\u73b0\u8bb8\u591a\u4e0d\u540c\u7684\u529f\u80fd\uff0c\u5e76\u4e14\u53ef\u4ee5\u4ee5\u516b\u79cd\u4e0d\u540c\u7684\u5de5\u4f5c\u6a21\u5f0f\u6765\u5b9e\u73b0\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u8fd9\u516b\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u7528\u9014\u548c\u4f18\u70b9\u3002<\/p>\n

\u8f93\u5165\u6a21\u5f0f<\/h2>\n

  \u8f93\u5165\u6a21\u5f0f\u662f\u6700\u57fa\u672c\u7684GPIO\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u6765\u81ea\u5916\u90e8\u8bbe\u5907\u7684\u4fe1\u53f7\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u8ba1\u7b97\u673a\u53ef\u4ee5\u8bc6\u522b\u548c\u5904\u7406\u3002\u8fd9\u79cd\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u63a5\u6536\u4f20\u611f\u5668\u7684\u8f93\u5165\u4fe1\u53f7\uff0c\u4f8b\u5982\u6e29\u5ea6\u4f20\u611f\u5668\u3001\u6309\u94ae\u7b49\uff0c\u4ece\u800c\u4f7f\u5f97\u8ba1\u7b97\u673a\u53ef\u4ee5\u611f\u77e5\u5916\u754c\u7684\u73af\u5883\u3002<\/p>\n

\u8f93\u51fa\u6a21\u5f0f<\/h2>\n

  \u8f93\u51fa\u6a21\u5f0f\u662fGPIO\u7684\u53e6\u4e00\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u7684\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u4e3a\u5916\u90e8\u8bbe\u5907\u53ef\u4ee5\u8bc6\u522b\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u53ef\u4ee5\u63a7\u5236\u5916\u90e8\u8bbe\u5907\uff0c\u4f8b\u5982LED\u706f\u3001\u7535\u673a\u7b49\u3002\u8fd9\u79cd\u6a21\u5f0f\u53ef\u4ee5\u8ba9\u8ba1\u7b97\u673a\u53ef\u4ee5\u63a7\u5236\u5916\u90e8\u8bbe\u5907\uff0c\u4ece\u800c\u5b9e\u73b0\u81ea\u52a8\u5316\u63a7\u5236\u3002<\/p>\n

\u4e2d\u65ad\u6a21\u5f0f<\/h2>\n

  \u4e2d\u65ad\u6a21\u5f0f\u662fGPIO\u7684\u53e6\u4e00\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u68c0\u6d4b\u5916\u90e8\u8bbe\u5907\u53d1\u51fa\u7684\u4fe1\u53f7\uff0c\u5f53\u68c0\u6d4b\u5230\u4fe1\u53f7\u65f6\uff0c\u53ef\u4ee5\u89e6\u53d1\u8ba1\u7b97\u673a\u7684\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u53ef\u4ee5\u505a\u51fa\u76f8\u5e94\u7684\u53cd\u5e94\u3002\u8fd9\u79cd\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u68c0\u6d4b\u5916\u90e8\u8bbe\u5907\u7684\u72b6\u6001\uff0c\u4f8b\u5982\u68c0\u6d4b\u4f20\u611f\u5668\u662f\u5426\u6709\u53d8\u5316\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u53ef\u4ee5\u53ca\u65f6\u4f5c\u51fa\u54cd\u5e94\u3002<\/p>\n

\u6355\u83b7\u6a21\u5f0f<\/h2>\n

  \u6355\u83b7\u6a21\u5f0f\u662fGPIO\u7684\u53e6\u4e00\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u6355\u83b7\u5916\u90e8\u8bbe\u5907\u53d1\u51fa\u7684\u4fe1\u53f7\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u53ef\u4ee5\u8bc6\u522b\u548c\u5904\u7406\u8fd9\u4e9b\u4fe1\u53f7\u3002\u8fd9\u79cd\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u6355\u83b7\u4f20\u611f\u5668\u53d1\u51fa\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u53ef\u4ee5\u611f\u77e5\u5916\u754c\u7684\u73af\u5883\u3002<\/p>\n

PWM\u6a21\u5f0f<\/h2>\n

  PWM\u6a21\u5f0f\u662fGPIO\u7684\u53e6\u4e00\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u7684\u9891\u7387\u548c\u5360\u7a7a\u6bd4\u6765\u63a7\u5236\u5916\u90e8\u8bbe\u5907\u7684\u8f93\u51fa\uff0c\u4ece\u800c\u5b9e\u73b0\u7cbe\u7ec6\u7684\u63a7\u5236\u3002\u8fd9\u79cd\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u7535\u673a\u7684\u901f\u5ea6\uff0c\u4ee5\u53caLED\u706f\u7684\u4eae\u5ea6\u7b49\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u5916\u90e8\u8bbe\u5907\u3002<\/p>\n

SPI\u6a21\u5f0f<\/h2>\n

  SPI\u6a21\u5f0f\u662fGPIO\u7684\u53e6\u4e00\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u7684\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u4e3aSPI\u603b\u7ebf\u53ef\u4ee5\u8bc6\u522b\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u79cd\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u63a5\u5165\u591a\u4e2a\u5916\u90e8\u8bbe\u5907\uff0c\u4f8b\u5982\u5b58\u50a8\u5668\u3001\u4f20\u611f\u5668\u7b49\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u53ef\u4ee5\u8f7b\u677e\u63a5\u5165\u591a\u79cd\u5916\u90e8\u8bbe\u5907\u3002<\/p>\n

I2C\u6a21\u5f0f<\/h2>\n

  I2C\u6a21\u5f0f\u662fGPIO\u7684\u53e6\u4e00\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u7684\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u4e3aI2C\u603b\u7ebf\u53ef\u4ee5\u8bc6\u522b\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u79cd\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u63a5\u5165\u591a\u4e2a\u5916\u90e8\u8bbe\u5907\uff0c\u4f8b\u5982\u5b58\u50a8\u5668\u3001\u4f20\u611f\u5668\u7b49\uff0c\u4ece\u800c\u4f7f\u8ba1\u7b97\u673a\u53ef\u4ee5\u8f7b\u677e\u63a5\u5165\u591a\u79cd\u5916\u90e8\u8bbe\u5907\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  GPIO\u53ef\u4ee5\u4ee5\u516b\u79cd\u4e0d\u540c\u7684\u5de5\u4f5c\u6a21\u5f0f\u6765\u5b9e\u73b0\uff0c\u5b83\u4eec\u5206\u522b\u662f\u8f93\u5165\u6a21\u5f0f\u3001\u8f93\u51fa\u6a21\u5f0f\u3001\u4e2d\u65ad\u6a21\u5f0f\u3001\u6355\u83b7\u6a21\u5f0f\u3001PWM\u6a21\u5f0f\u3001SPI\u6a21\u5f0f\u548cI2C\u6a21\u5f0f\u3002<\/strong>\u8fd9\u516b\u79cd\u6a21\u5f0f\u53ef\u4ee5\u5b9e\u73b0\u8bb8\u591a\u4e0d\u540c\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8ba9\u8ba1\u7b97\u673a\u53ef\u4ee5\u63a7\u5236\u5916\u90e8\u8bbe\u5907\uff0c\u4ece\u800c\u5b9e\u73b0\u81ea\u52a8\u5316\u63a7\u5236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

GPIO\uff08GeneralPurposeInput\/Output\uff09\u662f\u4e00\u79cd\u63a7\u5236\u7535\u5b50\u8bbe\u5907\u7684\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u8ba9\u7535\u5b50\u8bbe\u5907\u901a\u8fc7\u7f16\u7a0b\u63a7\u5236\u8f93\u5165\u548c\u8f93\u51fa\u4fe1\u53f7\u3002\u5b83\u53ef\u4ee5\u5b9e\u73b0\u8bb8\u591a\u4e0d\u540c\u7684\u529f\u80fd\uff0c\u5e76\u4e14\u53ef<\/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-41348","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\/41348","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=41348"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/41348\/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=41348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=41348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=41348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}