{"id":67834,"date":"2023-12-16T00:33:53","date_gmt":"2023-12-15T16:33:53","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=67834"},"modified":"2023-12-16T00:33:53","modified_gmt":"2023-12-15T16:33:53","slug":"ljscsslmmzj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/67834.html","title":{"rendered":"\u4e86\u89e3SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282"},"content":{"rendered":"

  \u6b22\u8fce\u9605\u8bfb\u672c\u6587\uff0c\u4e86\u89e3SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\u7684\u57fa\u672c\u6982\u5ff5\u548c\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n

SPI\u4f20\u8f93\u901f\u7387\u7b80\u4ecb<\/h2>\n

  \u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u901a\u4fe1\u9886\u57df\u4e2d\uff0cSPI\uff08Serial Peripheral Interface\uff09\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u96c6\u6210\u7535\u8def\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u3002SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\uff08bits per second\uff09\u662f\u8861\u91cfSPI\u63a5\u53e3\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\uff0c\u5b83\u4ee3\u8868\u4e86\u6bcf\u79d2\u949f\u4f20\u8f93\u7684\u4f4d\u6570\uff0c\u5f71\u54cd\u7740\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n

  SPI\u4f20\u8f93\u901f\u7387\u8ba1\u7b97\u65b9\u6cd5<\/h3>\n

  SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\u901a\u5e38\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a
\u4f20\u8f93\u901f\u7387 = (\u65f6\u949f\u9891\u7387) \/ (\u5206\u9891\u7cfb\u6570)<\/span>
\u5176\u4e2d\uff0c\u65f6\u949f\u9891\u7387\u6307\u7684\u662fSPI\u603b\u7ebf\u7684\u5de5\u4f5c\u9891\u7387\uff0c\u800c\u5206\u9891\u7cfb\u6570\u7528\u4e8e\u8c03\u8282\u4f20\u8f93\u901f\u7387\u3002\u901a\u8fc7\u5408\u7406\u5730\u9009\u62e9\u65f6\u949f\u9891\u7387\u548c\u5206\u9891\u7cfb\u6570\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6240\u9700\u7684\u4f20\u8f93\u901f\u7387\u3002<\/p>\n

  SPI\u4f20\u8f93\u901f\u7387\u4f18\u5316\u65b9\u6cd5<\/h3>\n

  \u8981\u4f18\u5316SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5165\u624b\uff1a
1. \u9009\u62e9\u5408\u9002\u7684\u65f6\u949f\u9891\u7387\u548c\u5206\u9891\u7cfb\u6570\uff0c\u786e\u4fdd\u5728\u7cfb\u7edf\u8981\u6c42\u7684\u8303\u56f4\u5185\u5b9e\u73b0\u6700\u4f73\u4f20\u8f93\u901f\u7387\u3002
2. \u5408\u7406\u8bbe\u8ba1\u786c\u4ef6\u5e03\u5c40\u548c\u8fde\u63a5\uff0c\u51cf\u5c11\u4fe1\u53f7\u4f20\u8f93\u8def\u5f84\u957f\u5ea6\u548c\u5e72\u6270\uff0c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u3002
3. \u91c7\u7528\u4e13\u7528\u7684SPI\u63a7\u5236\u5668\u548c\u9ad8\u6027\u80fd\u5668\u4ef6\uff0c\u63d0\u5347\u7cfb\u7edf\u6574\u4f53\u7684\u901a\u4fe1\u6548\u7387\u3002<\/p>\n

SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\u7684\u5e94\u7528<\/h2>\n

  SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\u7684\u6982\u5ff5\u548c\u4f18\u5316\u65b9\u6cd5\uff0c\u5bf9\u4e8e\u5404\u79cd\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u901a\u4fe1\u8bbe\u5907\u90fd\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u5728\u7269\u8054\u7f51\u3001\u5de5\u4e1a\u63a7\u5236\u3001\u6c7d\u8f66\u7535\u5b50\u7b49\u9886\u57df\uff0cSPI\u63a5\u53e3\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6548\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u4f20\u611f\u5668\u3001\u5b58\u50a8\u5668\u3001\u663e\u793a\u5c4f\u7b49\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u3002<\/p>\n

  \u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u7684SPI\u63a5\u53e3<\/h3>\n

  \u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\uff0cSPI\u63a5\u53e3\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u5fae\u63a7\u5236\u5668\u548c\u5916\u56f4\u8bbe\u5907\uff0c\u5b9e\u73b0\u5feb\u901f\u4e14\u53ef\u9760\u7684\u6570\u636e\u4ea4\u6362\u3002\u901a\u8fc7\u5bf9SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\u7684\u5408\u7406\u7406\u89e3\u548c\u5e94\u7528\uff0c\u53ef\u4ee5\u63d0\u5347\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\uff0c\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u901a\u4fe1\u9700\u6c42\u3002<\/p>\n

  SPI\u63a5\u53e3\u5728\u901a\u4fe1\u8bbe\u5907\u4e2d\u7684\u4f5c\u7528<\/h3>\n

  \u5728\u901a\u4fe1\u8bbe\u5907\u4e2d\uff0cSPI\u63a5\u53e3<\/a>\u5e38\u7528\u4e8e\u63a7\u5236\u548c\u4f20\u8f93\u5404\u79cd\u5916\u8bbe\u6a21\u5757\uff0c\u5982\u65e0\u7ebf\u901a\u4fe1<\/a> href=”https:\/\/www.techphant.cn\/tag\/txmk” target=”_blank” rel=”noopener”>\u901a\u4fe1\u6a21\u5757<\/a>\u3001\u4f20\u611f\u5668\u63a5\u53e3\u3001\u5b58\u50a8\u5668\u7b49\u3002\u5408\u7406\u8c03\u8282SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\uff0c\u53ef\u4ee5\u63d0\u9ad8\u901a\u4fe1\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u6548\u7387\uff0c\u964d\u4f4e\u80fd\u8017\uff0c\u589e\u5f3a\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\u7684\u57fa\u672c\u6982\u5ff5\u3001\u8ba1\u7b97\u65b9\u6cd5\u3001\u4f18\u5316\u6280\u5de7\u548c\u5e94\u7528\u9886\u57df\u3002<\/strong>\u6df1\u5165\u7406\u89e3\u548c\u6709\u6548\u5e94\u7528SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\uff0c\u6709\u52a9\u4e8e\u63d0\u5347\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u901a\u4fe1\u8bbe\u5907\u7684\u901a\u4fe1\u6548\u7387\u548c\u6027\u80fd\uff0c\u4fc3\u8fdb\u7269\u8054\u7f51\u548c\u667a\u80fd\u5316\u9886\u57df\u7684\u53d1\u5c55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6b22\u8fce\u9605\u8bfb\u672c\u6587\uff0c\u4e86\u89e3SPI\u4f20\u8f93\u901f\u7387\u6bcf\u79d2\u5b57\u8282\u7684\u57fa\u672c\u6982\u5ff5\u548c\u76f8\u5173\u77e5\u8bc6\u3002SPI\u4f20\u8f93\u901f\u7387\u7b80\u4ecb\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u901a\u4fe1\u9886\u57df\u4e2d\uff0cSPI\uff08SerialPeripheralInterf<\/p>\n","protected":false},"author":1,"featured_media":64231,"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":[275],"class_list":["post-67834","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cssl"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/67834"}],"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=67834"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/67834\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64231"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=67834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=67834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=67834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}