{"id":40628,"date":"2023-10-04T03:13:09","date_gmt":"2023-10-03T19:13:09","guid":{"rendered":"\/\/www.dealsbon.com\/?p=40628"},"modified":"2023-10-04T03:13:09","modified_gmt":"2023-10-03T19:13:09","slug":"mckssmgsd","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/40628.html","title":{"rendered":"MCU\u4e32\u53e3\u662f\u4ec0\u4e48\u683c\u5f0f\u7684"},"content":{"rendered":"

  MCU(\u5fae\u63a7\u5236\u5668)\u4e32\u53e3\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u5728\u5fae\u5904\u7406\u5668\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u6216\u8005\u5728\u4e00\u4e2a\u8bbe\u5907\u4e0a\u4f20\u8f93\u6570\u636e\u5e76\u5728\u53e6\u4e00\u4e2a\u8bbe\u5907\u4e0a\u63a5\u6536\u6570\u636e\u3002MCU\u4e32\u53e3\u4e3b\u8981\u7531\u4e00\u4e2a\u4e32\u884c\u63a5\u53e3\uff0c\u4e00\u4e2a\u6570\u636e\u7ebf\u548c\u4e00\u4e2a\u63a7\u5236\u7ebf\u7ec4\u6210\u3002\u5b83\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7c7b\u578b\u7684\u683c\u5f0f\u6765\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u4e9b\u683c\u5f0f\u5305\u62ecUART\u3001I2C\u3001SPI\u3001RS-232\u548cCAN\u7b49\u3002<\/p>\n

UART\u683c\u5f0f<\/h2>\n

  UART(Universal Asynchronous Receiver\/Transmitter)\u662f\u4e00\u79cd\u5e38\u7528\u7684MCU\u4e32\u53e3\u683c\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u5728\u4e00\u53f0\u8bbe\u5907\u4e0a\u4f20\u8f93\u6570\u636e\u5e76\u5728\u53e6\u4e00\u53f0\u8bbe\u5907\u4e0a\u63a5\u6536\u6570\u636e\u3002UART\u683c\u5f0f\u4e3b\u8981\u7531\u4e00\u4e2a\u4e32\u884c\u63a5\u53e3\uff0c\u4e00\u4e2a\u6570\u636e\u7ebf\u548c\u4e00\u4e2a\u63a7\u5236\u7ebf\u7ec4\u6210\u3002UART\u683c\u5f0f\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u7279\u7387(baud rate)\u6765\u4f20\u8f93\u6570\u636e\uff0c\u6bd4\u59821200\u30012400\u30014800\u30019600\u300119200\u300138400\u300157600\u7b49\u3002<\/p>\n

  UART\u7684\u4f18\u52bf<\/h3>\n

  UART\u683c\u5f0f\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u7279\u7387\u6765\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5728\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u901f\u4f20\u8f93\u3002\u6b64\u5916\uff0cUART\u683c\u5f0f\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u7b80\u5355\u7684\u6570\u636e\u5904\u7406\uff0c\u6bd4\u5982\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u6821\u9a8c\u548c\u68c0\u6d4b\u7b49\u3002<\/p>\n

  UART\u7684\u7f3a\u70b9<\/h3>\n

  UART\u683c\u5f0f\u7684\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u800c\u4e0d\u80fd\u5728\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u6b64\u5916\uff0cUART\u683c\u5f0f\u4e5f\u4e0d\u80fd\u5b9e\u73b0\u590d\u6742\u7684\u6570\u636e\u5904\u7406\uff0c\u6240\u4ee5\u5b83\u4e0d\u80fd\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

I2C\u683c\u5f0f<\/h2>\n

  I2C(Inter-Integrated Circuit)\u662f\u4e00\u79cd\u5e38\u7528\u7684MCU\u4e32\u53e3\u683c\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5728\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002I2C\u683c\u5f0f\u4e3b\u8981\u7531\u4e00\u4e2a\u4e32\u884c\u63a5\u53e3\uff0c\u4e00\u4e2a\u6570\u636e\u7ebf\u548c\u4e00\u4e2a\u63a7\u5236\u7ebf\u7ec4\u6210\u3002I2C\u683c\u5f0f\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u7279\u7387\u6765\u4f20\u8f93\u6570\u636e\uff0c\u6bd4\u5982100KHz\u3001400KHz\u30011MHz\u7b49\u3002<\/p>\n

  I2C\u7684\u4f18\u52bf<\/h3>\n

  I2C\u683c\u5f0f\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u5728\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5728\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u901f\u4f20\u8f93\u3002\u6b64\u5916\uff0cI2C\u683c\u5f0f\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u590d\u6742\u7684\u6570\u636e\u5904\u7406\uff0c\u6bd4\u5982\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u6821\u9a8c\u548c\u68c0\u6d4b\u7b49\u3002<\/p>\n

  I2C\u7684\u7f3a\u70b9<\/h3>\n

  I2C\u683c\u5f0f\u7684\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u5728\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u800c\u4e0d\u80fd\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u6837\u5c31\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u590d\u6742\u6027\u3002\u6b64\u5916\uff0cI2C\u683c\u5f0f\u4e5f\u4e0d\u80fd\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  MCU\u4e32\u53e3\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7c7b\u578b\u7684\u683c\u5f0f\u6765\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u4e9b\u683c\u5f0f\u5305\u62ecUART\u3001I2C\u3001SPI\u3001RS-232\u548cCAN\u7b49\u3002<\/strong>UART\u683c\u5f0f\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u7279\u7387\u6765\u4f20\u8f93\u6570\u636e\uff0c\u6bd4\u59821200\u30012400\u30014800\u30019600\u300119200\u300138400\u300157600\u7b49\uff0c\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u7279\u7387\u6765\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5728\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u901f\u4f20\u8f93\u3002I2C\u683c\u5f0f\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u7279\u7387\u6765\u4f20\u8f93\u6570\u636e\uff0c\u6bd4\u5982100KHz\u3001400KHz\u30011MHz\u7b49\uff0c\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u5728\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5728\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u901f\u4f20\u8f93\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

MCU(\u5fae\u63a7\u5236\u5668)\u4e32\u53e3\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u5728\u5fae\u5904\u7406\u5668\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u6216\u8005\u5728\u4e00\u4e2a\u8bbe\u5907\u4e0a\u4f20\u8f93\u6570\u636e\u5e76\u5728\u53e6\u4e00\u4e2a\u8bbe\u5907\u4e0a\u63a5\u6536\u6570\u636e\u3002MC<\/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":[69],"class_list":["post-40628","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cktx"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/40628"}],"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=40628"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/40628\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=40628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=40628"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=40628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}