{"id":77594,"date":"2023-12-30T14:43:24","date_gmt":"2023-12-30T06:43:24","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=77594"},"modified":"2023-12-30T14:43:24","modified_gmt":"2023-12-30T06:43:24","slug":"sslrhjs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/77594.html","title":{"rendered":"SPI\u901f\u7387\u5982\u4f55\u8ba1\u7b97"},"content":{"rendered":"

  \u672c\u6587\u4ecb\u7ecd\u4e86SPI\u901f\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e00\u6982\u5ff5\u3002<\/p>\n

\u7406\u89e3SPI\u901f\u7387<\/h2>\n

  SPI\uff08Serial Peripheral Interface\uff09\u662f\u4e00\u79cd\u540c\u6b65\u4e32\u884c\u6570\u636e\u603b\u7ebf\u534f\u8bae\uff0c\u7528\u4e8e\u8fde\u63a5\u5fae\u63a7\u5236\u5668\u548c\u5916\u56f4\u8bbe\u5907\u3002SPI\u901f\u7387\u662f\u6307\u5728SPI\u901a\u4fe1\u4e2d\u4f20\u8f93\u6570\u636e\u7684\u901f\u5ea6\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u5229\u7528SPI\u901a\u4fe1\uff0c\u4e86\u89e3\u5982\u4f55\u8ba1\u7b97SPI\u901f\u7387\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n

  SPI\u901f\u7387\u8ba1\u7b97\u516c\u5f0f<\/h3>\n

  \u8981\u8ba1\u7b97SPI\u901f\u7387\uff0c\u9996\u5148\u9700\u8981\u786e\u5b9a\u65f6\u949f\u9891\u7387\uff08SCK\uff09\u548c\u65f6\u949f\u6781\u6027\uff08CPOL\uff09\u3002<\/p>\n

  \u65f6\u949f\u9891\u7387<\/h3>\n

  SPI\u8bbe\u5907\u7684\u65f6\u949f\u9891\u7387\u901a\u5e38\u7531\u4e3b\u8bbe\u5907\u63a7\u5236\u3002\u65f6\u949f\u9891\u7387\u51b3\u5b9a\u4e86\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cSPI\u8bbe\u5907\u7684\u65f6\u949f\u9891\u7387\u53ef\u57281MHz\u81f350MHz\u4e4b\u95f4\u3002\u5177\u4f53\u65f6\u949f\u9891\u7387\u7684\u9009\u62e9\u9700\u6839\u636e\u5177\u4f53\u5e94\u7528\u548c\u786c\u4ef6\u6761\u4ef6\u6765\u786e\u5b9a\u3002<\/p>\n

  \u65f6\u949f\u6781\u6027<\/h3>\n

  \u65f6\u949f\u6781\u6027\uff08CPOL\uff09\u51b3\u5b9a\u4e86\u5728\u5141\u8bb8\u6570\u636e\u4f20\u8f93\u7684\u65f6\u949f\u4fe1\u53f7\u4e2d\u7684\u7535\u5e73\u3002CPOL\u4e3a0\u65f6\uff0c\u5728\u65f6\u949f\u7684\u7a7a\u95f2\u72b6\u6001\u7535\u5e73\u4e3a\u4f4e\u7535\u5e73\uff0c\u4f20\u8f93\u53d1\u751f\u5728\u4e0a\u5347\u6cbf\uff1bCPOL\u4e3a1\u65f6\uff0c\u5728\u65f6\u949f\u7684\u7a7a\u95f2\u72b6\u6001\u7535\u5e73\u4e3a\u9ad8\u7535\u5e73\uff0c\u4f20\u8f93\u53d1\u751f\u5728\u4e0b\u964d\u6cbf\u3002<\/p>\n

\u786e\u5b9aSPI\u901f\u7387<\/h2>\n

  \u901a\u8fc7\u4e0a\u8ff0\u4fe1\u606f\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u6839\u636e\u65f6\u949f\u9891\u7387\u548c\u65f6\u949f\u6781\u6027\u6765\u8ba1\u7b97SPI\u901f\u7387\u3002<\/p>\n

  SPI\u901f\u7387\u8ba1\u7b97\u516c\u5f0f<\/h3>\n

  \u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u516c\u5f0f\u6765\u8ba1\u7b97SPI\u901f\u7387\uff1a<\/p>\n

  \u901f\u7387 = \u65f6\u949f\u9891\u7387 \/ \u5206\u9891\u56e0\u5b50<\/code><\/p>\n

  \u5206\u9891\u56e0\u5b50<\/h3>\n

  \u5206\u9891\u56e0\u5b50\u662f\u4e00\u4e2a\u6574\u6570\u503c\uff0c\u7528\u4e8e\u786e\u5b9aSPI\u603b\u7ebf\u65f6\u949f\u7684\u5b9e\u9645\u9891\u7387\u3002\u5206\u9891\u56e0\u5b50\u901a\u5e38\u7531\u5177\u4f53\u7684SPI\u8bbe\u5907\u51b3\u5b9a\uff0c\u5e76\u5728\u5176\u6570\u636e\u624b\u518c\u4e2d\u8fdb\u884c\u63cf\u8ff0\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u901a\u8fc7\u4e0a\u8ff0\u5185\u5bb9\uff0c\u6211\u4eec\u4e86\u89e3\u4e86SPI\u901f\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u5305\u62ec\u65f6\u949f\u9891\u7387\u3001\u65f6\u949f\u6781\u6027\u548c\u5206\u9891\u56e0\u5b50\u7684\u4f5c\u7528\u3002<\/strong>\u7406\u89e3\u548c\u5e94\u7528SPI\u901f\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u8bbe\u8ba1\u548c\u4f18\u5316SPI\u901a\u4fe1\u7cfb\u7edf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u4ecb\u7ecd\u4e86SPI\u901f\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e00\u6982\u5ff5\u3002\u7406\u89e3SPI\u901f\u7387SPI\uff08SerialPeripheralInterface\uff09\u662f\u4e00\u79cd\u540c\u6b65\u4e32\u884c\u6570\u636e<\/p>\n","protected":false},"author":1,"featured_media":64183,"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-77594","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\/77594","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=77594"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/77594\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=77594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=77594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=77594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}