{"id":42589,"date":"2023-10-01T19:24:58","date_gmt":"2023-10-01T11:24:58","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=42589"},"modified":"2023-10-01T19:24:58","modified_gmt":"2023-10-01T11:24:58","slug":"sslzms","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/42589.html","title":{"rendered":"SPI\u901f\u7387\u600e\u4e48\u7b97\uff1f"},"content":{"rendered":"

  SPI\uff08Serial Peripheral Interface\uff09\u662f\u4e00\u79cd\u5168\u53cc\u5de5\u7684\u3001\u540c\u6b65\u7684\u3001\u591a\u8def\u7684\u3001\u4f4d\u7ea7\u522b\u7684\u603b\u7ebf\u3002\u5b83\u53ef\u4ee5\u4e3a\u591a\u79cd\u4e0d\u540c\u7684\u8bbe\u5907\u63d0\u4f9b\u5feb\u901f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5f97\u5b83\u6210\u4e3a\u4e00\u79cd\u975e\u5e38\u5177\u6709\u7ade\u4e89\u529b\u7684\u901a\u4fe1\u6280\u672f\u3002\u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\uff0cSPI\u901f\u7387\u662f\u6307\u5176\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\u3002\u672c\u6587\u5c06\u6df1\u5165\u8ba8\u8bbaSPI\u901f\u7387\u7684\u6982\u5ff5\u3001\u8ba1\u7b97\u65b9\u6cd5\u4ee5\u53ca\u4f18\u7f3a\u70b9\u3002<\/p>\n

SPI\u901f\u7387\u7684\u6982\u5ff5<\/h2>\n

  SPI\u901f\u7387\u662f\u6307SPI\u603b\u7ebf\u4e0a\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\uff0c\u5b83\u662f\u4e00\u4e2a\u65f6\u95f4\u6982\u5ff5\uff0c\u8868\u793a\u6bcf\u79d2\u4f20\u8f93\u7684\u4f4d\u6570\uff0c\u901a\u5e38\u4ee5bps\uff08\u6bd4\u7279\/\u79d2\uff09\u6216Kbps\uff08\u5343\u6bd4\u7279\/\u79d2\uff09\u8868\u793a\u3002\u901a\u5e38\uff0cSPI\u901f\u7387\u8d8a\u9ad8\uff0c\u4f20\u8f93\u7684\u6570\u636e\u91cf\u5c31\u8d8a\u5927\uff0c\u4f20\u8f93\u6548\u7387\u4e5f\u5c31\u8d8a\u9ad8\u3002<\/p>\n

SPI\u901f\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5<\/h2>\n

  SPI\u901f\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5\u4e3b\u8981\u53d6\u51b3\u4e8e\u603b\u7ebf\u7684\u4f4d\u5bbd\u548c\u65f6\u949f\u9891\u7387\uff0c\u5b83\u4eec\u662fSPI\u603b\u7ebf\u4f20\u8f93\u6570\u636e\u7684\u4e24\u4e2a\u91cd\u8981\u53c2\u6570\u3002<\/p>\n

  \u4f4d\u5bbd<\/h3>\n

  \u4f4d\u5bbd\u6307\u7684\u662f\u6bcf\u6b21\u4f20\u8f93\u7684\u4f4d\u6570\uff0c\u5b83\u662fSPI\u603b\u7ebf\u4f20\u8f93\u6570\u636e\u7684\u57fa\u672c\u5355\u4f4d\u3002\u901a\u5e38\uff0c\u4f4d\u5bbd\u7684\u53d6\u503c\u8303\u56f4\u4e3a1~32\uff0c\u5176\u4e2d1\u8868\u793a\u4f20\u8f931\u4f4d\u6570\u636e\uff0c32\u8868\u793a\u4f20\u8f9332\u4f4d\u6570\u636e\u3002<\/p>\n

  \u65f6\u949f\u9891\u7387<\/h3>\n

  \u65f6\u949f\u9891\u7387\u662f\u6307SPI\u603b\u7ebf\u7684\u65f6\u949f\u9891\u7387\uff0c\u5b83\u662f\u63a7\u5236\u6570\u636e\u4f20\u8f93\u7684\u91cd\u8981\u53c2\u6570\u3002\u901a\u5e38\uff0c\u65f6\u949f\u9891\u7387\u7684\u53d6\u503c\u8303\u56f4\u4e3a1~50MHz\uff0c\u5176\u4e2d1MHz\u8868\u793a\u6bcf\u79d2\u949f\u4f20\u8f931\u767e\u4e07\u6b21\u6570\u636e\uff0c50MHz\u8868\u793a\u6bcf\u79d2\u949f\u4f20\u8f935\u5343\u4e07\u6b21\u6570\u636e\u3002<\/p>\n

  \u8ba1\u7b97\u516c\u5f0f<\/h3>\n

  SPI\u901f\u7387\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1aSPI\u901f\u7387=\u4f4d\u5bbd\u00d7\u65f6\u949f\u9891\u7387\uff0c\u5176\u4e2d\u4f4d\u5bbd\u548c\u65f6\u949f\u9891\u7387\u7684\u5355\u4f4d\u5747\u4e3abps\u3002<\/p>\n

\u4f18\u7f3a\u70b9<\/h2>\n

  \u4f18\u70b9<\/h3>\n

  1\u3001SPI\u901f\u7387\u8f83\u9ad8\uff0c\u53ef\u4ee5\u6ee1\u8db3\u591a\u79cd\u8bbe\u5907\u7684\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u9700\u6c42\uff1b<\/p>\n

  2\u3001SPI\u603b\u7ebf\u7684\u786c\u4ef6\u7b80\u5355\uff0c\u5b9e\u73b0\u6210\u672c\u4f4e\uff1b<\/p>\n

  3\u3001SPI\u603b\u7ebf\u5177\u6709\u591a\u79cd\u8bbe\u5907\u5171\u5b58\u7684\u80fd\u529b\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n

  \u7f3a\u70b9<\/h3>\n

  1\u3001SPI\u603b\u7ebf\u53ea\u652f\u6301\u70b9\u5bf9\u70b9\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4e0d\u652f\u6301\u591a\u70b9\u4f20\u8f93\uff1b<\/p>\n

  2\u3001SPI\u603b\u7ebf\u53ea\u80fd\u652f\u6301\u4e3b\u4ece\u6a21\u5f0f\uff0c\u4e0d\u652f\u6301\u591a\u4e3b\u6a21\u5f0f\uff1b<\/p>\n

  3\u3001SPI\u603b\u7ebf\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u53d7\u5230\u786c\u4ef6\u7684\u9650\u5236\uff0c\u6700\u9ad8\u53ea\u80fd\u8fbe\u523050MHz\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  SPI\u901f\u7387\u662f\u6307SPI\u603b\u7ebf\u4e0a\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\uff0c\u5b83\u662f\u4e00\u4e2a\u65f6\u95f4\u6982\u5ff5\uff0c\u8868\u793a\u6bcf\u79d2\u4f20\u8f93\u7684\u4f4d\u6570\u3002<\/strong>SPI\u901f\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5\u4e3b\u8981\u53d6\u51b3\u4e8e\u603b\u7ebf\u7684\u4f4d\u5bbd\u548c\u65f6\u949f\u9891\u7387\uff0c\u5b83\u4eec\u662fSPI\u603b\u7ebf\u4f20\u8f93\u6570\u636e\u7684\u4e24\u4e2a\u91cd\u8981\u53c2\u6570\u3002SPI\u603b\u7ebf\u5177\u6709\u8f83\u9ad8\u7684\u4f20\u8f93\u901f\u5ea6\u3001\u786c\u4ef6\u7b80\u5355\u3001\u591a\u79cd\u8bbe\u5907\u5171\u5b58\u7b49\u4f18\u70b9\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5982\u53ea\u652f\u6301\u70b9\u5bf9\u70b9\u7684\u6570\u636e\u4f20\u8f93\u3001\u53ea\u80fd\u652f\u6301\u4e3b\u4ece\u6a21\u5f0f\u3001\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u53d7\u5230\u786c\u4ef6\u9650\u5236\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

SPI\uff08SerialPeripheralInterface\uff09\u662f\u4e00\u79cd\u5168\u53cc\u5de5\u7684\u3001\u540c\u6b65\u7684\u3001\u591a\u8def\u7684\u3001\u4f4d\u7ea7\u522b\u7684\u603b\u7ebf\u3002\u5b83\u53ef\u4ee5\u4e3a\u591a\u79cd\u4e0d\u540c\u7684\u8bbe\u5907\u63d0\u4f9b\u5feb\u901f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5f97\u5b83\u6210\u4e3a\u4e00\u79cd\u975e<\/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":[288],"class_list":["post-42589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-spitx"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/42589","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=42589"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/42589\/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=42589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=42589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=42589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}