{"id":46861,"date":"2023-10-04T00:56:40","date_gmt":"2023-10-03T16:56:40","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=46861"},"modified":"2023-10-04T00:57:40","modified_gmt":"2023-10-03T16:57:40","slug":"szdcssl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/46861.html","title":{"rendered":"SPI\u6700\u5927\u4f20\u8f93\u901f\u7387"},"content":{"rendered":"

  SPI(Serial Peripheral Interface)\u662f\u4e00\u79cd\u5feb\u901f\u7684\u3001\u5168\u53cc\u5de5\u7684\u3001\u4e32\u884c\u603b\u7ebf\u63a5\u53e3\uff0c\u5b83\u5141\u8bb8\u591a\u4e2a\u5916\u8bbe\u540c\u65f6\u8fde\u63a5\u5230\u4e00\u4e2a\u4e3b\u673a\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u5feb\u901f\u4f20\u8f93\u3002SPI\u7684\u6700\u5927\u4f20\u8f93\u901f\u7387\u53d6\u51b3\u4e8e\u5b83\u7684\u65f6\u949f\u9891\u7387\uff0c\u4e00\u822c\u53ef\u4ee5\u8fbe\u523020MHz\uff0c\u6709\u65f6\u751a\u81f3\u53ef\u4ee5\u8fbe\u523050MHz\u3002<\/p>\n

SPI\u7684\u7279\u70b9<\/h2>\n

  SPI\u7684\u4f18\u52bf\u4e4b\u4e00\u662f\u5b83\u7684\u7b80\u5355\u6027\uff0c\u53ea\u9700\u89814\u6839\u7ebf\u5c31\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\uff0c\u5176\u4e2d\u5305\u62ec\u4e24\u6839\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u7684\u7ebf\uff0c\u4e00\u6839\u7528\u4e8e\u65f6\u949f\u4f20\u8f93\u7684\u7ebf\uff0c\u4ee5\u53ca\u4e00\u6839\u7528\u4e8e\u9009\u62e9\u7279\u5b9a\u5916\u8bbe\u7684\u7ebf\u3002\u6b64\u5916\uff0cSPI\u8fd8\u53ef\u4ee5\u63d0\u4f9b\u8f83\u9ad8\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u8fbe\u523020MHz\u6216\u66f4\u9ad8\uff0c\u8fd9\u4f7f\u5f97\u5b83\u6210\u4e3a\u4e00\u79cd\u975e\u5e38\u6709\u6548\u7684\u6570\u636e\u4f20\u8f93\u63a5\u53e3\u3002<\/p>\n

  SPI\u7684\u5b9e\u73b0\u65b9\u5f0f<\/h3>\n

  SPI\u7684\u5b9e\u73b0\u65b9\u5f0f\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u4e3b\u673a\u6a21\u5f0f\uff0c\u53e6\u4e00\u79cd\u662f\u4ece\u673a\u6a21\u5f0f\u3002\u5728\u4e3b\u673a\u6a21\u5f0f\u4e0b\uff0c\u4e3b\u673a\u63a7\u5236\u5668\u8d1f\u8d23\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\uff0c\u800c\u4ece\u673a\u53ea\u8d1f\u8d23\u63a5\u6536\u6570\u636e\uff1b\u5728\u4ece\u673a\u6a21\u5f0f\u4e0b\uff0c\u4ece\u673a\u63a7\u5236\u5668\u8d1f\u8d23\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\uff0c\u800c\u4e3b\u673a\u53ea\u8d1f\u8d23\u53d1\u9001\u6570\u636e\u3002<\/p>\n

  SPI\u7684\u5e94\u7528<\/strong><\/p>\n

  SPI\u7684\u5e94\u7528\u5341\u5206\u5e7f\u6cdb\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u8bbe\u5907\u3001\u63a7\u5236\u5668\u3001\u611f\u5e94\u5668\u7b49\u591a\u79cd\u5916\u8bbe\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u5904\u7406\u5668\uff0c\u4ee5\u5b9e\u73b0\u591a\u5904\u7406\u5668\u7cfb\u7edf\u7684\u7f16\u7a0b\u3002\u6b64\u5916\uff0cSPI\u8fd8\u53ef\u4ee5\u7528\u4e8e\u591a\u5a92\u4f53\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5982\u624b\u673a\u3001\u6570\u7801\u76f8\u673a\u7b49\u3002<\/p>\n

SPI\u7684\u7f3a\u70b9<\/h2>\n

  SPI\u7684\u7f3a\u70b9\u4e4b\u4e00\u662f\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\uff0c\u4e00\u822c\u53ea\u80fd\u5728\u77ed\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u800c\u65e0\u6cd5\u5728\u8fdc\u8ddd\u79bb\u4f20\u8f93\u6570\u636e\u3002\u6b64\u5916\uff0cSPI\u4e5f\u4e0d\u80fd\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u53ea\u80fd\u5b9e\u73b0\u70b9\u5bf9\u70b9\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  SPI\u7684\u6539\u8fdb\u65b9\u6848<\/h3>\n

  \u4e3a\u4e86\u89e3\u51b3SPI\u7684\u7f3a\u70b9\uff0c\u5de5\u7a0b\u5e08\u4eec\u63d0\u51fa\u4e86\u4e00\u79cd\u6539\u8fdb\u65b9\u6848\uff0c\u5373\u4f7f\u7528\u591a\u4e2aSPI\u63a5\u53e3\u5b9e\u73b0\u591a\u70b9\u901a\u4fe1\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u591a\u5904\u7406\u5668\u7cfb\u7edf\u7684\u7f16\u7a0b\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528SPI\u5206\u5e03\u5f0f\u7f51\u7edc\uff0c\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  SPI\u662f\u4e00\u79cd\u5feb\u901f\u7684\u3001\u5168\u53cc\u5de5\u7684\u3001\u4e32\u884c\u603b\u7ebf\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u5feb\u901f\u4f20\u8f93\uff0c\u6700\u5927\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u523020MHz\u6216\u66f4\u9ad8\u3002<\/strong>\u5b83\u5177\u6709\u7b80\u5355\u6027\u548c\u9ad8\u901f\u4f20\u8f93\u7684\u4f18\u52bf\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u8bbe\u5907\u3001\u63a7\u5236\u5668\u3001\u611f\u5e94\u5668\u7b49\u591a\u79cd\u5916\u8bbe\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u4f46\u5b83\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5982\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\uff0c\u4e0d\u80fd\u652f\u6301\u591a\u70b9\u901a\u4fe1\u7b49\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u5de5\u7a0b\u5e08\u4eec\u63d0\u51fa\u4e86\u4e00\u4e9b\u6539\u8fdb\u65b9\u6848\uff0c\u5982\u4f7f\u7528\u591a\u4e2aSPI\u63a5\u53e3\u5b9e\u73b0\u591a\u70b9\u901a\u4fe1\uff0c\u4f7f\u7528SPI\u5206\u5e03\u5f0f\u7f51\u7edc\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

SPI(SerialPeripheralInterface)\u662f\u4e00\u79cd\u5feb\u901f\u7684\u3001\u5168\u53cc\u5de5\u7684\u3001\u4e32\u884c\u603b\u7ebf\u63a5\u53e3\uff0c\u5b83\u5141\u8bb8\u591a\u4e2a\u5916\u8bbe\u540c\u65f6\u8fde\u63a5\u5230\u4e00\u4e2a\u4e3b\u673a\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u5feb\u901f\u4f20\u8f93\u3002SPI\u7684\u6700\u5927<\/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-46861","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\/46861","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=46861"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/46861\/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=46861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=46861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=46861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}