{"id":38838,"date":"2023-09-30T12:52:53","date_gmt":"2023-09-30T04:52:53","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=38838"},"modified":"2023-09-30T12:52:53","modified_gmt":"2023-09-30T04:52:53","slug":"sysdksyikdsl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/38838.html","title":{"rendered":"\u4f7f\u7528STM32\u6253\u5f00\u6240\u6709IO\u53e3\u7684\u901f\u7387"},"content":{"rendered":"

  STM32\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u3001\u4f4e\u529f\u8017\u768432\u4f4d\u5fae\u63a7\u5236\u5668\uff0c\u5177\u6709\u591a\u79cd\u5916\u8bbe\uff0c\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\u3002\u5b83\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u5e94\u7528\u7684\u9700\u6c42\uff0c\u6709\u52a9\u4e8e\u8bbe\u5907\u7684\u5feb\u901f\u5f00\u53d1\u548c\u7a33\u5b9a\u8fd0\u884c\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528STM32\u6253\u5f00\u6240\u6709IO\u53e3\u7684\u901f\u7387\uff0c\u4ee5\u53ca\u5982\u4f55\u4f18\u5316STM32\u7684IO\u53e3\u901f\u7387\u3002<\/p>\n

STM32 IO\u53e3\u7684\u6982\u8ff0<\/h2>\n

  STM32\u7684IO\u53e3\u53ef\u4ee5\u5206\u4e3a\u591a\u79cd\u7c7b\u578b\uff0c\u5982GPIO\u3001USART\u3001I2C\u3001SPI\u7b49\u3002\u6bcf\u79cdIO\u53e3\u7684\u901f\u7387\u90fd\u4e0d\u540c\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u4f7f\u7528\u573a\u666f\u6765\u9009\u62e9\u3002\u4e0b\u9762\u5c06\u5bf9STM32\u7684IO\u53e3\u8fdb\u884c\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p>\n

  1. GPIO<\/h3>\n

  GPIO\uff08General Purpose Input\/Output\uff09\u901a\u7528\u8f93\u5165\u8f93\u51fa\uff0c\u662fSTM32\u7684\u6700\u5e38\u7528IO\u53e3\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u8f93\u5165\u548c\u8f93\u51fa\uff0c\u5177\u6709\u9ad8\u6548\u3001\u7075\u6d3b\u3001\u4f4e\u8017\u80fd\u7b49\u7279\u70b9\u3002GPIO\u7684\u901f\u7387\u7531STM32\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u51b3\u5b9a\uff0c\u5177\u4f53\u9891\u7387\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u578b\u53f7\u7684STM32\u6765\u5b9a\u4e49\u3002<\/p>\n

  2. USART<\/h3>\n

  USART\uff08Universal Synchronous\/Asynchronous Receiver\/Transmitter\uff09\u901a\u7528\u540c\u6b65\/\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u662fSTM32\u7684\u5e38\u7528IO\u53e3\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u540c\u6b65\u548c\u5f02\u6b65\u6536\u53d1\uff0c\u5177\u6709\u4f4e\u8017\u80fd\u3001\u9ad8\u6548\u7387\u7b49\u7279\u70b9\u3002USART\u7684\u901f\u7387\u7531STM32\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u51b3\u5b9a\uff0c\u5177\u4f53\u9891\u7387\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u578b\u53f7\u7684STM32\u6765\u5b9a\u4e49\u3002<\/p>\n

  3. I2C<\/h3>\n

  I2C\uff08Inter-Integrated Circuit\uff09\u662f\u4e00\u79cd\u8fde\u63a5\u591a\u4e2a\u82af\u7247\u7684\u4f4e\u901f\u603b\u7ebf\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u8282\u70b9\u7684\u6570\u636e\u4f20\u8f93\u3002I2C\u7684\u901f\u7387\u7531STM32\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u51b3\u5b9a\uff0c\u5177\u4f53\u9891\u7387\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u578b\u53f7\u7684STM32\u6765\u5b9a\u4e49\u3002<\/p>\n

  4. SPI<\/h3>\n

  SPI\uff08Serial Peripheral Interface\uff09\u662f\u4e00\u79cd\u5e76\u884c\u603b\u7ebf\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u8282\u70b9\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5177\u6709\u9ad8\u901f\u3001\u4f4e\u529f\u8017\u7b49\u7279\u70b9\u3002SPI\u7684\u901f\u7387\u7531STM32\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u51b3\u5b9a\uff0c\u5177\u4f53\u9891\u7387\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u578b\u53f7\u7684STM32\u6765\u5b9a\u4e49\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528STM32\u6253\u5f00\u6240\u6709IO\u53e3\u7684\u901f\u7387<\/h2>\n

  \u4f7f\u7528STM32\u6253\u5f00\u6240\u6709IO\u53e3\u7684\u901f\u7387\uff0c\u9700\u8981\u5148\u9009\u62e9\u5408\u9002\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\uff0c\u7136\u540e\u6839\u636e\u4e0d\u540c\u7684IO\u53e3\u7c7b\u578b\u6765\u8bbe\u7f6e\u4e0d\u540c\u7684\u901f\u7387\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n

  1. \u9009\u62e9\u5408\u9002\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387<\/h3>\n

  \u9996\u5148\uff0c\u6839\u636eSTM32\u7684\u578b\u53f7\uff0c\u9009\u62e9\u5408\u9002\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528STM32\u7684\u5185\u90e8\u65f6\u949f\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5916\u90e8\u65f6\u949f\u6e90\uff0c\u5982\u6676\u632f\u3001\u5916\u90e8\u6676\u632f\u3001\u5916\u90e8\u7535\u5bb9\u7b49\u3002<\/p>\n

  2. \u8bbe\u7f6eIO\u53e3\u901f\u7387<\/h3>\n

  \u63a5\u4e0b\u6765\uff0c\u6839\u636e\u4e0d\u540c\u7684IO\u53e3\u7c7b\u578b\uff0c\u8bbe\u7f6e\u4e0d\u540c\u7684\u901f\u7387\u3002\u5982GPIO\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eGPIO\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u6765\u63a7\u5236\uff1bUSART\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eUSART\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u548c\u6ce2\u7279\u7387\u6765\u63a7\u5236\uff1bI2C\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eI2C\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\u6765\u63a7\u5236\uff1bSPI\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eSPI\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\u6765\u63a7\u5236\u3002<\/p>\n

\u5982\u4f55\u4f18\u5316STM32\u7684IO\u53e3\u901f\u7387<\/h2>\n

  \u4f7f\u7528STM32\u6253\u5f00\u6240\u6709IO\u53e3\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u8bbe\u5907\u7684\u6027\u80fd\uff0c\u4f46\u662f\u4e5f\u53ef\u80fd\u4f1a\u5e26\u6765\u4e00\u4e9b\u4e0d\u5fc5\u8981\u7684\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u4f18\u5316STM32\u7684IO\u53e3\u901f\u7387\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n

  1. \u9009\u62e9\u5408\u9002\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387<\/h3>\n

  \u9996\u5148\uff0c\u6839\u636eSTM32\u7684\u578b\u53f7\uff0c\u9009\u62e9\u5408\u9002\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528STM32\u7684\u5185\u90e8\u65f6\u949f\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5916\u90e8\u65f6\u949f\u6e90\uff0c\u5982\u6676\u632f\u3001\u5916\u90e8\u6676\u632f\u3001\u5916\u90e8\u7535\u5bb9\u7b49\u3002<\/p>\n

  2. \u4f18\u5316IO\u53e3\u786c\u4ef6\u914d\u7f6e<\/h3>\n

  \u5176\u6b21\uff0c\u4f18\u5316IO\u53e3\u7684\u786c\u4ef6\u914d\u7f6e\uff0c\u4ee5\u63d0\u9ad8IO\u53e3\u7684\u6027\u80fd\u3002\u5982GPIO\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eGPIO\u7684\u6a21\u5f0f\u3001\u8f93\u51fa\u7c7b\u578b\u3001\u8f93\u51fa\u901f\u7387\u7b49\u6765\u4f18\u5316\uff1bUSART\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eUSART\u7684\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u3001\u6821\u9a8c\u4f4d\u7b49\u6765\u4f18\u5316\uff1bI2C\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eI2C\u7684\u5730\u5740\u6a21\u5f0f\u3001\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\u7b49\u6765\u4f18\u5316\uff1bSPI\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eSPI\u7684\u6570\u636e\u6a21\u5f0f\u3001\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\u7b49\u6765\u4f18\u5316\u3002<\/p>\n

  3. \u4f18\u5316IO\u53e3\u8f6f\u4ef6\u914d\u7f6e<\/h3>\n

  \u6700\u540e\uff0c\u4f18\u5316IO\u53e3\u7684\u8f6f\u4ef6\u914d\u7f6e\uff0c\u4ee5\u63d0\u9ad8IO\u53e3\u7684\u6027\u80fd\u3002\u5982GPIO\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eGPIO\u7684\u6a21\u5f0f\u3001\u8f93\u51fa\u7c7b\u578b\u3001\u8f93\u51fa\u901f\u7387\u7b49\u6765\u4f18\u5316\uff1bUSART\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eUSART\u7684\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u3001\u6821\u9a8c\u4f4d\u7b49\u6765\u4f18\u5316\uff1bI2C\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eI2C\u7684\u5730\u5740\u6a21\u5f0f\u3001\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\u7b49\u6765\u4f18\u5316\uff1bSPI\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eSPI\u7684\u6570\u636e\u6a21\u5f0f\u3001\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\u7b49\u6765\u4f18\u5316\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528STM32\u6253\u5f00\u6240\u6709IO\u53e3\u7684\u901f\u7387\uff0c\u4ee5\u53ca\u5982\u4f55\u4f18\u5316STM32\u7684IO\u53e3\u901f\u7387\u3002<\/strong>\u4f7f\u7528STM32\u6253\u5f00\u6240\u6709IO\u53e3\u7684\u901f\u7387\uff0c\u9700\u8981\u5148\u9009\u62e9\u5408\u9002\u7684\u5916\u8bbe\u65f6\u949f\u9891\u7387\uff0c\u7136\u540e\u6839\u636e\u4e0d\u540c\u7684IO\u53e3\u7c7b\u578b\u6765\u8bbe\u7f6e\u4e0d\u540c\u7684\u901f\u7387\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u4f18\u5316STM32\u7684IO\u53e3\u901f\u7387\uff0c\u53ef\u4ee5\u91c7\u53d6\u4f18\u5316IO\u53e3\u786c\u4ef6\u914d\u7f6e\u548c\u4f18\u5316IO\u53e3\u8f6f\u4ef6\u914d\u7f6e\u7684\u63aa\u65bd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

STM32\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u3001\u4f4e\u529f\u8017\u768432\u4f4d\u5fae\u63a7\u5236\u5668\uff0c\u5177\u6709\u591a\u79cd\u5916\u8bbe\uff0c\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\u3002\u5b83\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u5e94\u7528\u7684\u9700\u6c42\uff0c\u6709\u52a9\u4e8e\u8bbe\u5907\u7684\u5feb\u901f\u5f00\u53d1\u548c\u7a33\u5b9a\u8fd0\u884c\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528STM32\u6253\u5f00<\/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":[287],"class_list":["post-38838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-stm32"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/38838","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=38838"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/38838\/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=38838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=38838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=38838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}