{"id":483,"date":"2022-05-23T17:39:23","date_gmt":"2022-05-23T09:39:23","guid":{"rendered":"https:\/\/usei.cn\/?p=483"},"modified":"2022-05-23T17:39:24","modified_gmt":"2022-05-23T09:39:24","slug":"%e7%a1%ac%e4%bb%b6%e9%80%9a%e8%ae%af%e5%8d%8f%e8%ae%ae-spi-%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/usei.cn\/index.php\/2022\/05\/23\/%e7%a1%ac%e4%bb%b6%e9%80%9a%e8%ae%af%e5%8d%8f%e8%ae%ae-spi-%e5%8d%8f%e8%ae%ae\/","title":{"rendered":"\u786c\u4ef6\u901a\u8baf\u534f\u8bae &#8211; SPI \u534f\u8bae"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u534f\u8bae\u6982\u62ec<\/h2>\n\n\n\n<p>SPI\u662f\u4e32\u884c\u5916\u8bbe\u63a5\u53e3\uff08Serial Peripheral Interface\uff09\u7684\u7f29\u5199\u3002SPI\uff0c\u662f\u4e00\u79cd\u9ad8\u901f\u7684\uff0c\u5168\u53cc\u5de5\uff0c\u540c\u6b65\u7684\u901a\u4fe1\u603b\u7ebf\uff0c\u5e76\u4e14\u5728\u82af\u7247\u7684\u7ba1\u811a\u4e0a\u53ea\u5360\u7528\u56db\u6839\u7ebf\uff0c\u8282\u7ea6\u4e86\u82af\u7247\u7684\u7ba1\u811a\u3002<\/p>\n\n\n\n<p>\u5728SPI\u8bbe\u5907\u4e2d\uff0c\u8bbe\u5907\u5206\u4e3a<strong>\u4e3b\u673a\u4e0e\u4ece\u673a\u7cfb\u7edf<\/strong>\u3002\u4e3b\u673a\u662f\u63a7\u5236\u8bbe\u5907\uff08\u901a\u5e38\u662f\u5fae\u63a7\u5236\u5668\uff09\uff0c\u800c\u4ece\u673a\uff08\u901a\u5e38\u662f\u4f20\u611f\u5668\uff0c\u663e\u793a\u5668\u6216\u5b58\u50a8\u82af\u7247\uff09\u4ece\u4e3b\u673a\u90a3\u83b7\u53d6\u6307\u4ee4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fe1\u53f7\u7ebf<\/h3>\n\n\n\n<p>\u4e00\u5957SPI\u901a\u8baf\u5171\u5305\u542b\u56db\u79cd\u4fe1\u53f7\u7ebf\uff1a<br><strong>MOSI<\/strong>(Master Output\/Slave Input) \u2013 \u4fe1\u53f7\u7ebf\uff0c\u4e3b\u673a\u8f93\u51fa\uff0c\u4ece\u673a\u8f93\u5165\u3002<br><strong>MISO<\/strong>&nbsp;(Master Input\/Slave Output) \u2013 \u4fe1\u53f7\u7ebf\uff0c\u4e3b\u673a\u8f93\u5165\uff0c\u4ece\u673a\u8f93\u51fa\u3002<br><strong>SCLK&nbsp;<\/strong>(Clock) \u2013 \u65f6\u949f\u4fe1\u53f7\u3002<br><strong>SS\/CS<\/strong>&nbsp;(Slave Select\/Chip Select) \u2013 \u7247\u9009\u4fe1\u53f7\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5de5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u65f6\u949f\u4fe1\u53f7<\/strong><\/h3>\n\n\n\n<p>\u6bcf\u4e2a\u65f6\u949f\u5468\u671f\u4f20\u8f93\u4e00\u4f4d\u6570\u636e\uff0c\u56e0\u6b64\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u53d6\u51b3\u4e8e\u65f6\u949f\u4fe1\u53f7\u7684\u9891\u7387\u3002 \u65f6\u949f\u4fe1\u53f7\u7531\u4e8e\u662f\u4e3b\u673a\u914d\u7f6e\u751f\u6210\u7684\uff0c\u56e0\u6b64SPI\u901a\u4fe1\u59cb\u7ec8\u7531\u4e3b\u673a\u542f\u52a8\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7247\u9009\u4fe1\u53f7<\/strong><\/h3>\n\n\n\n<p>\u4e3b\u673a\u901a\u8fc7\u62c9\u4f4e\u4ece\u673a\u7684CS\/SS\u6765\u4f7f\u80fd\u901a\u4fe1\u3002 <strong>\u5728\u7a7a\u95f2\/\u975e\u4f20\u8f93\u72b6\u6001\u4e0b\uff0c\u7247\u9009\u7ebf\u4fdd\u6301\u9ad8\u7535\u5e73<\/strong>\u3002\u5728\u4e3b\u673a\u4e0a\u53ef\u4ee5\u5b58\u5728\u591a\u4e2aCS\/SS\u5f15\u811a\uff0c\u5141\u8bb8\u4e3b\u673a\u4e0e\u591a\u4e2a\u4e0d\u540c\u7684\u4ece\u673a\u8fdb\u884c\u901a\u8baf\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532977491.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532977491.png'><img class=\"lazyload lazyload-style-3\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"595\" height=\"635\" data-original=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532977491.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-489\"  sizes=\"auto, (max-width: 595px) 100vw, 595px\" \/><\/div><\/a><\/figure>\n\n\n\n<p>\u5982\u679c\u4e3b\u673a\u53ea\u6709\u4e00\u4e2a\u7247\u9009\u5f15\u811a\u53ef\u7528\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8fde\u63a5\u8fd9\u4e9b\u4ece\u5668\u4ef6\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532978081.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532978081.png'><img class=\"lazyload lazyload-style-3\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"604\" height=\"629\" data-original=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532978081.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-490\"  sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><\/div><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>MOSI\u548cMISO<\/strong><\/h3>\n\n\n\n<p>\u4e3b\u673a\u901a\u8fc7MOSI\u4ee5\u4e32\u884c\u65b9\u5f0f\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u4ece\u673a\uff0c\u4ece\u673a\u4e5f\u53ef\u4ee5\u901a\u8fc7MISO\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u4e3b\u673a\uff0c\u4e24\u8005\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u3002\u6240\u4ee5\u7406\u8bba\u4e0a\uff0c<strong>SPI\u662f\u4e00\u79cd\u5168\u53cc\u5de5\u7684\u901a\u8baf\u534f\u8bae\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4f20\u8f93\u6b65\u9aa4<\/strong><\/h3>\n\n\n\n<p><strong>1. \u4e3b\u673a\u8f93\u51fa\u65f6\u949f\u4fe1\u53f7<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532980551.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532980551.png'><img class=\"lazyload lazyload-style-3\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"654\" height=\"154\" data-original=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532980551.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-492\"  sizes=\"auto, (max-width: 654px) 100vw, 654px\" \/><\/div><\/a><\/figure>\n\n\n\n<p><strong>2. \u4e3b\u673a\u62c9\u4f4eSS \/ CS\u5f15\u811a\uff0c\u6fc0\u6d3b\u4ece\u673a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532980881.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532980881.png'><img class=\"lazyload lazyload-style-3\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"649\" height=\"152\" data-original=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532980881.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-493\"  sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><\/div><\/a><\/figure>\n\n\n\n<p><strong>3. \u4e3b\u673a\u901a\u8fc7MOSI\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u4ece\u673a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532981241.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532981241.png'><img class=\"lazyload lazyload-style-3\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"661\" height=\"178\" data-original=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532981241.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-494\"  sizes=\"auto, (max-width: 661px) 100vw, 661px\" \/><\/div><\/a><\/figure>\n\n\n\n<p><strong>4. \u5982\u679c\u9700\u8981\u54cd\u5e94\uff0c\u5219\u4ece\u673a\u901a\u8fc7MISO\u5c06\u6570\u636e\u8fd4\u56de\u7ed9\u4e3b\u673a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532981431.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532981431.png'><img class=\"lazyload lazyload-style-3\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"168\" data-original=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/16532981431.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-495\"  sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/div><\/a><\/figure>\n\n\n\n<p>\u4f7f\u7528SPI\u6709\u4e00\u4e9b\u4f18\u70b9\u548c\u7f3a\u70b9\uff0c\u5982\u679c\u5728\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\u4e4b\u95f4\u8fdb\u884c\u9009\u62e9\uff0c\u5219\u5e94\u6839\u636e\u9879\u76ee\u8981\u6c42\u8fdb\u884c\u5145\u5206\u8003\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u534f\u8bae\u6982\u62ec SPI\u662f\u4e32\u884c\u5916\u8bbe\u63a5\u53e3\uff08Serial Peripheral Interface\uff09\u7684\u7f29\u5199\u3002SPI\uff0c\u662f\u4e00\u79cd [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,54],"tags":[],"class_list":["post-483","post","type-post","status-publish","format-standard","hentry","category-lot","category-protocol"],"_links":{"self":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=483"}],"version-history":[{"count":7,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/483\/revisions"}],"predecessor-version":[{"id":501,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/483\/revisions\/501"}],"wp:attachment":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=483"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}