{"id":43211,"date":"2023-09-30T16:20:17","date_gmt":"2023-09-30T08:20:17","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=43211"},"modified":"2023-09-30T16:20:17","modified_gmt":"2023-09-30T08:20:17","slug":"szxngdssb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/43211.html","title":{"rendered":"SPI\u603b\u7ebf\u80fd\u6302\u591a\u5c11\u8bbe\u5907\uff1f"},"content":{"rendered":"

  SPI\uff08Serial Peripheral Interface\uff09\u603b\u7ebf\u662f\u4e00\u79cd\u5f02\u6b65\u4e32\u884c\u603b\u7ebf\uff0c\u5b83\u53ef\u4ee5\u5728\u4e3b\u673a\u548c\u5916\u8bbe\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u662f\u4e00\u79cd\u9ad8\u6548\u3001\u7b80\u5355\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u53ef\u4ee5\u6ee1\u8db3\u591a\u79cd\u5e94\u7528\u9700\u6c42\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdSPI\u603b\u7ebf\u80fd\u6302\u591a\u5c11\u8bbe\u5907\uff0c\u4ee5\u53ca\u5982\u4f55\u5229\u7528SPI\u603b\u7ebf\u6765\u5b9e\u73b0\u591a\u8bbe\u5907\u7684\u63a7\u5236\u3002<\/p>\n

SPI\u603b\u7ebf\u652f\u6301\u7684\u8bbe\u5907\u6570\u91cf<\/h2>\n

  SPI\u603b\u7ebf\u652f\u6301\u7684\u8bbe\u5907\u6570\u91cf\u53d6\u51b3\u4e8eSPI\u603b\u7ebf\u7684\u7c7b\u578b\uff0c\u4ee5\u53caSPI\u603b\u7ebf\u652f\u6301\u7684\u5916\u8bbe\u6570\u91cf\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cSPI\u603b\u7ebf\u53ef\u4ee5\u652f\u6301\u7684\u6700\u5927\u8bbe\u5907\u6570\u91cf\u4e3a128\u4e2a\uff0c\u4f46\u5b9e\u9645\u53ef\u7528\u7684\u8bbe\u5907\u6570\u91cf\u53ef\u80fd\u4f1a\u66f4\u5c11\uff0c\u5177\u4f53\u6570\u91cf\u53d6\u51b3\u4e8eSPI\u603b\u7ebf\u7684\u7c7b\u578b\u3002<\/p>\n

  SPI\u603b\u7ebf\u7684\u7c7b\u578b<\/h3>\n

  SPI\u603b\u7ebf\u7684\u7c7b\u578b\u4e3b\u8981\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u6807\u51c6SPI\u603b\u7ebf\uff0c\u53e6\u4e00\u79cd\u662f\u9ad8\u901fSPI\u603b\u7ebf\u3002\u6807\u51c6SPI\u603b\u7ebf\u6700\u5927\u652f\u63018\u4e2a\u5916\u8bbe\uff0c\u800c\u9ad8\u901fSPI\u603b\u7ebf\u6700\u5927\u652f\u6301128\u4e2a\u5916\u8bbe\u3002<\/p>\n

  \u6807\u51c6SPI\u603b\u7ebf<\/strong><\/p>\n

  \u6807\u51c6SPI\u603b\u7ebf\u662f\u6700\u5e38\u89c1\u7684SPI\u603b\u7ebf\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u6700\u591a8\u4e2a\u5916\u8bbe\u3002\u6807\u51c6SPI\u603b\u7ebf\u7684\u4f20\u8f93\u901f\u7387\u4e00\u822c\u4e3a10MHz\uff0c\u6700\u5927\u53ef\u8fbe20MHz\u3002\u5b83\u53ef\u4ee5\u652f\u63018-bit\u621616-bit\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  \u9ad8\u901fSPI\u603b\u7ebf<\/strong><\/p>\n

  \u9ad8\u901fSPI\u603b\u7ebf\u662f\u4e00\u79cd\u7279\u6b8a\u7684SPI\u603b\u7ebf\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u6700\u591a128\u4e2a\u5916\u8bbe\u3002\u9ad8\u901fSPI\u603b\u7ebf\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u523050MHz\uff0c\u6bd4\u6807\u51c6SPI\u603b\u7ebf\u66f4\u5feb\uff0c\u53ef\u4ee5\u652f\u63018-bit\u621616-bit\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528SPI\u603b\u7ebf\u63a7\u5236\u591a\u4e2a\u8bbe\u5907<\/h2>\n

  \u4f7f\u7528SPI\u603b\u7ebf\u63a7\u5236\u591a\u4e2a\u8bbe\u5907\uff0c\u9700\u8981\u5148\u5c06\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230SPI\u603b\u7ebf\u4e0a\uff0c\u7136\u540e\u4f7f\u7528SPI\u603b\u7ebf\u7684\u63a7\u5236\u4fe1\u53f7\u6765\u63a7\u5236\u591a\u4e2a\u8bbe\u5907\u3002SPI\u603b\u7ebf\u63a7\u5236\u4fe1\u53f7\u5305\u62ecClock\uff0cSlave Select\uff0cData In\u548cData Out\u3002Clock\u4fe1\u53f7\u7528\u4e8e\u540c\u6b65\u4f20\u8f93\uff0cSlave Select\u4fe1\u53f7\u7528\u4e8e\u9009\u62e9\u8981\u63a7\u5236\u7684\u8bbe\u5907\uff0cData In\u548cData Out\u4fe1\u53f7\u7528\u4e8e\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

  SPI\u603b\u7ebf\u7684\u63a7\u5236\u8fc7\u7a0b<\/h3>\n

  \u4f7f\u7528SPI\u603b\u7ebf\u63a7\u5236\u591a\u4e2a\u8bbe\u5907\u7684\u8fc7\u7a0b\u5982\u4e0b\uff1a\u9996\u5148\uff0c\u4f7f\u7528Slave Select\u4fe1\u53f7\u9009\u62e9\u8981\u63a7\u5236\u7684\u8bbe\u5907\uff1b\u5176\u6b21\uff0c\u4f7f\u7528Data In\u548cData Out\u4fe1\u53f7\u4f20\u8f93\u6570\u636e\uff1b\u6700\u540e\uff0c\u4f7f\u7528Clock\u4fe1\u53f7\u540c\u6b65\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86SPI\u603b\u7ebf\u80fd\u6302\u591a\u5c11\u8bbe\u5907\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528SPI\u603b\u7ebf\u63a7\u5236\u591a\u4e2a\u8bbe\u5907\u3002<\/strong>SPI\u603b\u7ebf\u652f\u6301\u7684\u8bbe\u5907\u6570\u91cf\u53d6\u51b3\u4e8eSPI\u603b\u7ebf\u7684\u7c7b\u578b\uff0c\u6807\u51c6SPI\u603b\u7ebf\u6700\u591a\u652f\u63018\u4e2a\u5916\u8bbe\uff0c\u800c\u9ad8\u901fSPI\u603b\u7ebf\u6700\u591a\u652f\u6301128\u4e2a\u5916\u8bbe\u3002\u4f7f\u7528SPI\u603b\u7ebf\u63a7\u5236\u591a\u4e2a\u8bbe\u5907\uff0c\u9700\u8981\u5148\u5c06\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230SPI\u603b\u7ebf\u4e0a\uff0c\u7136\u540e\u4f7f\u7528SPI\u603b\u7ebf\u7684\u63a7\u5236\u4fe1\u53f7\u6765\u63a7\u5236\u591a\u4e2a\u8bbe\u5907\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

SPI\uff08SerialPeripheralInterface\uff09\u603b\u7ebf\u662f\u4e00\u79cd\u5f02\u6b65\u4e32\u884c\u603b\u7ebf\uff0c\u5b83\u53ef\u4ee5\u5728\u4e3b\u673a\u548c\u5916\u8bbe\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u662f\u4e00\u79cd\u9ad8\u6548\u3001\u7b80\u5355\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u53ef\u4ee5\u6ee1\u8db3\u591a\u79cd\u5e94\u7528\u9700\u6c42<\/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-43211","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\/43211"}],"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=43211"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/43211\/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=43211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=43211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=43211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}