{"id":56330,"date":"2023-10-19T16:26:10","date_gmt":"2023-10-19T08:26:10","guid":{"rendered":"https:\/\/www.techphant.cn\/blog\/56330.html"},"modified":"2023-10-19T16:26:10","modified_gmt":"2023-10-19T08:26:10","slug":"sjsszms","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/56330.html","title":{"rendered":"SPI: \u4ecb\u7ecd\u56db\u79cd\u6a21\u5f0f"},"content":{"rendered":"

  SPI (Serial Peripheral Interface) \u662f\u4e00\u79cd\u4e32\u884c\u603b\u7ebf\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u7684\u5916\u8bbe\u3002\u5b83\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u5916\u8bbe\u3002SPI\u6709\u56db\u79cd\u6a21\u5f0f\uff0c\u5206\u522b\u662f\uff1a\u6a21\u5f0f 0\u3001\u6a21\u5f0f 1\u3001\u6a21\u5f0f 2\u548c\u6a21\u5f0f 3\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u8fd9\u56db\u79cd\u6a21\u5f0f\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u4e0d\u540c\u4e4b\u5904\u3002<\/p>\n

\u6a21\u5f0f 0<\/h2>\n

  \u6a21\u5f0f 0 \u662fSPI\u7684\u6700\u57fa\u7840\u7684\u6a21\u5f0f\uff0c\u4e5f\u662f\u6700\u5e38\u7528\u7684\u6a21\u5f0f\u3002\u5b83\u7684\u7279\u70b9\u662f\uff1a\u6570\u636e\u4f20\u8f93\u65f6\uff0c\u4e3b\u673a\u548c\u5916\u8bbe\u4e4b\u95f4\u7684\u65f6\u949f\u4fe1\u53f7\uff08SCLK\uff09\u7684\u7535\u5e73\u8f6c\u6362\u6b21\u6570\u5728\u4e00\u4e2a\u5468\u671f\u5185\u6700\u591a\u53ea\u6709\u4e00\u6b21\u3002\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0cSCLK\u7684\u5347\u964d\u6cbf\u4e4b\u95f4\u7684\u65f6\u95f4\u95f4\u9694\u662f\u56fa\u5b9a\u7684\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u662f\u56fa\u5b9a\u7684\u3002<\/p>\n

\u6a21\u5f0f 1<\/h2>\n

  \u6a21\u5f0f 1 \u4e0e\u6a21\u5f0f 0 \u7c7b\u4f3c\uff0c\u4e5f\u662f\u4e00\u79cd\u5178\u578b\u7684SPI\u6a21\u5f0f\u3002\u5b83\u7684\u7279\u70b9\u662f\uff1a\u6570\u636e\u4f20\u8f93\u65f6\uff0c\u4e3b\u673a\u548c\u5916\u8bbe\u4e4b\u95f4\u7684\u65f6\u949f\u4fe1\u53f7\uff08SCLK\uff09\u7684\u7535\u5e73\u8f6c\u6362\u6b21\u6570\u5728\u4e00\u4e2a\u5468\u671f\u5185\u6700\u591a\u53ea\u6709\u4e00\u6b21\u3002\u4f46\u662f\uff0c\u4e0e\u6a21\u5f0f 0 \u4e0d\u540c\u7684\u662f\uff0c\u6a21\u5f0f 1 \u4e2d\uff0cSCLK\u7684\u5347\u964d\u6cbf\u4e4b\u95f4\u7684\u65f6\u95f4\u95f4\u9694\u662f\u53ef\u53d8\u7684\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u662f\u53ef\u53d8\u7684\u3002<\/p>\n

\u6a21\u5f0f 2<\/h2>\n

  \u6a21\u5f0f 2 \u4e0e\u6a21\u5f0f 0 \u548c\u6a21\u5f0f 1 \u6709\u5f88\u5927\u7684\u4e0d\u540c\uff0c\u5b83\u7684\u7279\u70b9\u662f\uff1a\u6570\u636e\u4f20\u8f93\u65f6\uff0c\u4e3b\u673a\u548c\u5916\u8bbe\u4e4b\u95f4\u7684\u65f6\u949f\u4fe1\u53f7\uff08SCLK\uff09\u7684\u7535\u5e73\u8f6c\u6362\u6b21\u6570\u5728\u4e00\u4e2a\u5468\u671f\u5185\u6709\u4e24\u6b21\u6216\u8005\u66f4\u591a\u6b21\u3002\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0cSCLK\u7684\u5347\u964d\u6cbf\u4e4b\u95f4\u7684\u65f6\u95f4\u95f4\u9694\u662f\u53ef\u53d8\u7684\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u662f\u53ef\u53d8\u7684\uff0c\u800c\u4e14\u66f4\u5feb\u3002<\/p>\n

\u6a21\u5f0f 3<\/h2>\n

  \u6a21\u5f0f 3 \u662fSPI\u4e2d\u6700\u590d\u6742\u7684\u6a21\u5f0f\uff0c\u5b83\u7684\u7279\u70b9\u662f\uff1a\u6570\u636e\u4f20\u8f93\u65f6\uff0c\u4e3b\u673a\u548c\u5916\u8bbe\u4e4b\u95f4\u7684\u65f6\u949f\u4fe1\u53f7\uff08SCLK\uff09\u7684\u7535\u5e73\u8f6c\u6362\u6b21\u6570\u5728\u4e00\u4e2a\u5468\u671f\u5185\u6709\u4e09\u6b21\u6216\u8005\u66f4\u591a\u6b21\u3002\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0cSCLK\u7684\u5347\u964d\u6cbf\u4e4b\u95f4\u7684\u65f6\u95f4\u95f4\u9694\u662f\u53ef\u53d8\u7684\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u662f\u53ef\u53d8\u7684\uff0c\u800c\u4e14\u66f4\u5feb\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  SPI\u7684\u56db\u79cd\u6a21\u5f0f\u5404\u6709\u7279\u70b9\uff0c\u6a21\u5f0f 0 \u548c\u6a21\u5f0f 1 \u90fd\u662f\u56fa\u5b9a\u901f\u7387\u7684\u6a21\u5f0f\uff0c\u800c\u6a21\u5f0f 2 \u548c\u6a21\u5f0f 3 \u90fd\u662f\u53ef\u53d8\u901f\u7387\u7684\u6a21\u5f0f\u3002<\/strong>SPI\u7684\u56db\u79cd\u6a21\u5f0f\u7684\u5dee\u5f02\u53ef\u4ee5\u7528\u6765\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff0c\u6bd4\u5982\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u5f0f 2 \u6216\u8005\u6a21\u5f0f 3\uff0c\u800c\u5bf9\u4e8e\u4f4e\u901f\u6570\u636e\u4f20\u8f93\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u5f0f 0 \u6216\u8005\u6a21\u5f0f 1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

SPI(SerialPeripheralInterface)\u662f\u4e00\u79cd\u4e32\u884c\u603b\u7ebf\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u7684\u5916\u8bbe\u3002\u5b83\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u5916\u8bbe\u3002SPI<\/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-56330","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\/56330"}],"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=56330"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/56330\/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=56330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=56330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=56330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}