{"id":42330,"date":"2023-10-01T18:04:22","date_gmt":"2023-10-01T10:04:22","guid":{"rendered":"\/\/www.dealsbon.com\/?p=42330"},"modified":"2023-10-01T18:04:22","modified_gmt":"2023-10-01T10:04:22","slug":"suhisdbjyfx","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/42330.html","title":{"rendered":"SPI\u3001USART\u548cIIC\u901f\u5ea6\uff1a\u6bd4\u8f83\u4e0e\u5206\u6790"},"content":{"rendered":"

  SPI\u3001USART\u548cIIC\u662f\u4e09\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u4ed6\u4eec\u7684\u5de5\u4f5c\u539f\u7406\u3001\u4f18\u52bf\u548c\u7f3a\u70b9\u90fd\u6709\u6240\u4e0d\u540c\u3002\u672c\u6587\u5c06\u5bf9\u8fd9\u4e09\u79cd\u901a\u4fe1\u534f\u8bae\u8fdb\u884c\u6bd4\u8f83\u548c\u5206\u6790\uff0c\u4ee5\u4fbf\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u5de5\u4f5c\u539f\u7406\u548c\u4f18\u52bf\uff0c\u4ece\u800c\u80fd\u591f\u66f4\u597d\u5730\u5e94\u7528\u5b83\u4eec\u3002<\/p>\n

SPI\uff08\u4e32\u884c\u5916\u8bbe\u63a5\u53e3\uff09<\/h2>\n

  SPI\uff08\u4e32\u884c\u5916\u8bbe\u63a5\u53e3\uff09\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u5177\u6709\u9ad8\u901f\u3001\u53cc\u5411\u3001\u5168\u53cc\u5de5\u548c\u591a\u8bbe\u5907\u652f\u6301\u7684\u7279\u70b9\u3002\u5b83\u901a\u8fc7\u4f7f\u7528\u4e24\u6761\u4fe1\u53f7\u7ebf\uff08MOSI\u548cMISO\uff09\u548c\u4e00\u6761\u65f6\u949f\u7ebf\uff08SCLK\uff09\u6765\u4f20\u8f93\u6570\u636e\uff0c\u6bcf\u6b21\u4f20\u8f93\u4e00\u4e2a\u5b57\u8282\uff0c\u4f20\u8f93\u901f\u5ea6\u53ef\u8fbe8MHz\u3002SPI\u534f\u8bae\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8bbe\u5907\uff0c\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u591a\u4e2a\u8bbe\u5907\u7684\u6570\u636e\uff0c\u8fd9\u4f7f\u5f97\u5b83\u53ef\u4ee5\u66f4\u5feb\u5730\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

  SPI\u7684\u7f3a\u70b9<\/h3>\n

  SPI\u7684\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u4f20\u8f93\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e\uff0c\u800c\u4e14\u4f20\u8f93\u901f\u5ea6\u4e5f\u6709\u9650\uff0c\u53ea\u80fd\u8fbe\u52308MHz\u3002\u6b64\u5916\uff0cSPI\u534f\u8bae\u9700\u8981\u4f7f\u7528\u4e24\u6761\u4fe1\u53f7\u7ebf\u548c\u4e00\u6761\u65f6\u949f\u7ebf\uff0c\u56e0\u6b64\uff0c\u5b83\u6240\u5360\u7528\u7684\u7a7a\u95f4\u8f83\u5927\uff0c\u4e0d\u9002\u7528\u4e8e\u7a7a\u95f4\u6709\u9650\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

USART\uff08\u901a\u7528\u540c\u6b65\/\u5f02\u6b65\u6536\u53d1\u5668\uff09<\/h2>\n

  USART\uff08\u901a\u7528\u540c\u6b65\/\u5f02\u6b65\u6536\u53d1\u5668\uff09\u662f\u4e00\u79cd\u53cc\u5411\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u540c\u6b65\u6216\u5f02\u6b65\u5730\u4f20\u8f93\u6570\u636e\u3002USART\u53ef\u4ee5\u4f7f\u7528\u4e24\u6761\u4fe1\u53f7\u7ebf\uff08TX\u548cRX\uff09\u6765\u4f20\u8f93\u6570\u636e\uff0c\u6bcf\u6b21\u4f20\u8f93\u4e00\u4e2a\u5b57\u8282\uff0c\u4f20\u8f93\u901f\u5ea6\u53ef\u8fbe1Mbps\u3002USART\u534f\u8bae\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u540c\u6b65\u6216\u5f02\u6b65\u5730\u4f20\u8f93\u6570\u636e\uff0c\u5e76\u4e14\u4f20\u8f93\u901f\u5ea6\u4e5f\u6bd4SPI\u8981\u5feb\u3002<\/p>\n

  USART\u7684\u7f3a\u70b9<\/h3>\n

  USART\u7684\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u4f20\u8f93\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e\uff0c\u800c\u4e14\u4f20\u8f93\u901f\u5ea6\u4e5f\u6709\u9650\uff0c\u53ea\u80fd\u8fbe\u52301Mbps\u3002\u6b64\u5916\uff0cUSART\u534f\u8bae\u9700\u8981\u4f7f\u7528\u4e24\u6761\u4fe1\u53f7\u7ebf\uff0c\u56e0\u6b64\uff0c\u5b83\u6240\u5360\u7528\u7684\u7a7a\u95f4\u8f83\u5927\uff0c\u4e0d\u9002\u7528\u4e8e\u7a7a\u95f4\u6709\u9650\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

IIC\uff08\u4e92\u8054\u603b\u7ebf\uff09<\/h2>\n

  IIC\uff08\u4e92\u8054\u603b\u7ebf\uff09\u662f\u4e00\u79cd\u53cc\u5411\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u4e24\u6761\u4fe1\u53f7\u7ebf\uff08SDA\u548cSCL\uff09\u6765\u4f20\u8f93\u6570\u636e\uff0c\u6bcf\u6b21\u4f20\u8f93\u4e00\u4e2a\u5b57\u8282\uff0c\u4f20\u8f93\u901f\u5ea6\u53ef\u8fbe400Kbps\u3002IIC\u534f\u8bae\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8bbe\u5907\uff0c\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u591a\u4e2a\u8bbe\u5907\u7684\u6570\u636e\uff0c\u8fd9\u4f7f\u5f97\u5b83\u53ef\u4ee5\u66f4\u5feb\u5730\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

  IIC\u7684\u7f3a\u70b9<\/h3>\n

  IIC\u7684\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u4f20\u8f93\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e\uff0c\u800c\u4e14\u4f20\u8f93\u901f\u5ea6\u4e5f\u6709\u9650\uff0c\u53ea\u80fd\u8fbe\u5230400Kbps\u3002\u6b64\u5916\uff0cIIC\u534f\u8bae\u9700\u8981\u4f7f\u7528\u4e24\u6761\u4fe1\u53f7\u7ebf\uff0c\u56e0\u6b64\uff0c\u5b83\u6240\u5360\u7528\u7684\u7a7a\u95f4\u8f83\u5927\uff0c\u4e0d\u9002\u7528\u4e8e\u7a7a\u95f4\u6709\u9650\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\uff0cSPI\u3001USART\u548cIIC\u4e09\u79cd\u901a\u4fe1\u534f\u8bae\u90fd\u6709\u5b83\u4eec\u81ea\u5df1\u7684\u4f18\u52bf\u548c\u7f3a\u70b9\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u6765\u9009\u62e9\u5408\u9002\u7684\u534f\u8bae\u3002<\/strong>SPI\u548cUSART\u7684\u4f20\u8f93\u901f\u5ea6\u8f83\u5feb\uff0c\u53ef\u4ee5\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u4f46\u5b83\u4eec\u6240\u5360\u7528\u7684\u7a7a\u95f4\u8f83\u5927\uff0c\u4e0d\u9002\u7528\u4e8e\u7a7a\u95f4\u6709\u9650\u7684\u5e94\u7528\u573a\u666f\u3002\u800cIIC\u534f\u8bae\u7684\u4f20\u8f93\u901f\u5ea6\u8f83\u6162\uff0c\u4f46\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8bbe\u5907\uff0c\u4f7f\u5f97\u5b83\u53ef\u4ee5\u66f4\u5feb\u5730\u4f20\u8f93\u6570\u636e\uff0c\u56e0\u6b64\uff0c\u5b83\u66f4\u9002\u5408\u7a7a\u95f4\u6709\u9650\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

SPI\u3001USART\u548cIIC\u662f\u4e09\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u4ed6\u4eec\u7684\u5de5\u4f5c\u539f\u7406\u3001\u4f18\u52bf\u548c\u7f3a\u70b9\u90fd\u6709\u6240\u4e0d\u540c\u3002\u672c\u6587\u5c06\u5bf9\u8fd9\u4e09\u79cd\u901a\u4fe1\u534f\u8bae\u8fdb\u884c\u6bd4\u8f83\u548c\u5206\u6790\uff0c\u4ee5\u4fbf\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u5de5\u4f5c\u539f\u7406\u548c\u4f18\u52bf\uff0c\u4ece<\/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":[153],"class_list":["post-42330","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-iic"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/42330"}],"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=42330"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/42330\/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=42330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=42330"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=42330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}