{"id":97999,"date":"2024-09-23T17:50:43","date_gmt":"2024-09-23T09:50:43","guid":{"rendered":"\/\/www.viralrail.com\/?p=97999"},"modified":"2024-09-23T17:51:02","modified_gmt":"2024-09-23T09:51:02","slug":"cktxxyynx-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/97999.html","title":{"rendered":"\u4e32\u53e3\u901a\u4fe1\u534f\u8bae\u6709\u54ea\u4e9b"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u4e32\u53e3\u901a\u4fe1\u534f\u8bae<\/strong>\u662f\u7528\u4e8e\u5728\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u4e32\u884c\u6570\u636e\u4f20\u8f93\u7684\u89c4\u8303\u6216\u7ea6\u5b9a\uff0c\u5e38\u89c1\u7684\u4e32\u53e3\u901a\u4fe1\u534f\u8bae\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>RS-232<\/strong>\uff1a\u8fd9\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e32\u884c\u63a5\u53e3\u6807\u51c6\uff0c\u4e3b\u8981\u7528\u4e8e\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u5b83\u4ee5\u5168\u53cc\u5de5\u65b9\u5f0f\u5de5\u4f5c\uff0c\u9700\u8981\u5730\u7ebf\u3001\u53d1\u9001\u7ebf\u548c\u63a5\u6536\u7ebf\u4e09\u6761\u7ebf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>RS-485<\/strong>\uff1a\u8fd9\u662f\u4e00\u79cd\u591a\u70b9\u3001\u534a\u53cc\u5de5\u7684\u901a\u4fe1\u6807\u51c6\uff0c\u901a\u5e38\u7528\u4e8e\u957f\u8ddd\u79bb\u548c\u9ad8\u566a\u58f0\u73af\u5883\u4e0b\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>RS-422<\/strong>\uff1a\u4e0eRS-485\u7c7b\u4f3c\uff0c\u4f46\u63d0\u4f9b\u66f4\u9ad8\u7684\u7535\u6c14\u6027\u80fd\u548c\u66f4\u957f\u7684\u8ddd\u79bb\uff0c\u5e38\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf\u4e2d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09<\/strong>&nbsp;\uff1a\u8fd9\u662f\u4e00\u79cd\u901a\u7528\u5f02\u6b65\u6536\u53d1\u5668\uff0c\u7528\u4e8e\u5b9e\u73b0\u5168\u53cc\u5de5\u7684\u4e32\u884c\u901a\u4fe1\u3002UART\u534f\u8bae\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4f8b\u5982STM32\u5fae\u63a7\u5236\u5668\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>USART\uff08Universal Synchronous\/Asynchronous Serial Transmitter\/Receiver\uff09<\/strong>&nbsp;\uff1a\u4e0eUART\u7c7b\u4f3c\uff0cUSART\u4e5f\u662f\u4e00\u79cd\u901a\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u901a\u5e38\u7528\u4e8e\u5fae\u63a7\u5236\u5668\u4e2d\u7684\u7269\u7406\u7535\u8def\u6216\u72ec\u7acbIC\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>USB\uff08Universal Serial Bus\uff09<\/strong>&nbsp;\uff1a\u867d\u7136\u4e0d\u662f\u4f20\u7edf\u610f\u4e49\u4e0a\u7684\u4e32\u53e3\u901a\u4fe1\u534f\u8bae\uff0c\u4f46USB\u4e5f\u652f\u6301\u4e32\u884c\u901a\u4fe1\uff0c\u5e76\u4e14\u5728\u73b0\u4ee3\u7535\u5b50\u8bbe\u5907\u4e2d\u975e\u5e38\u666e\u904d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>I2C\uff08Inter-Integrated Circuit\uff09<\/strong>&nbsp;\uff1a\u8fd9\u662f\u4e00\u79cd\u540c\u6b65\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5e38\u7528\u4e8e\u96c6\u6210\u7535\u8def\u4e4b\u95f4\u7684\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>SPI\uff08Serial Peripheral Interface\uff09<\/strong>&nbsp;\uff1a\u8fd9\u662f\u4e00\u79cd\u9ad8\u901f\u7684\u540c\u6b65\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u901a\u5e38\u7528\u4e8e\u4e3b\u8bbe\u5907\u548c\u4ece\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e9b\u534f\u8bae\u5404\u6709\u5176\u7279\u70b9\u548c\u5e94\u7528\u573a\u666f\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e32\u53e3\u901a\u4fe1\u534f\u8bae\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u548c\u73af\u5883\u6761\u4ef6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 RS-232\u4e0eRS-485\u5728\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u8ddd\u79bb\u65b9\u9762\u7684\u5bf9\u6bd4<\/h2>\n\n\n\n<p>\u3000\u3000RS-232\u548cRS-485\u5728\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u8ddd\u79bb\u65b9\u9762\u6709\u663e\u8457\u7684\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u4f20\u8f93\u8ddd\u79bb\u6765\u770b\uff0cRS-232\u7684\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u4e3a15\u7c73\uff0c\u800cRS-485\u7684\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\u751a\u81f3\u66f4\u8fdc\u3002\u8fd9\u4f7f\u5f97RS-485\u66f4\u9002\u5408\u9700\u8981\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u6570\u636e\u4f20\u8f93\u901f\u7387\u65b9\u9762\uff0cRS-232\u7684\u6700\u5927\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u901a\u5e38\u4e3a20Kb\/s\u5230115200 bps\u4e0d\u7b49\u3002\u800cRS-485\u5219\u652f\u6301\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u6700\u9ad8\u53ef\u8fbe10Mbps\u751a\u81f3\u66f4\u9ad8\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cRS-485\u53ef\u4ee5\u572815\u7c73\u7684\u8ddd\u79bb\u5185\u8fbe\u523010Mb\/s\u7684\u4f20\u8f93\u901f\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 UART\u548cUSART\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u5dee\u5f02\u53ca\u5176\u4f18\u52bf<\/h2>\n\n\n\n<p>\u3000\u3000UART(\u901a\u7528\u5f02\u6b65\u6536\u53d1\u4f20\u8f93\u5668)\u548cUSART(\u901a\u7528\u540c\u6b65\/\u5f02\u6b65\u6536\u53d1\u4f20\u8f93\u5668)\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u5dee\u5f02\u53ca\u5176\u4f18\u52bf\u5206\u522b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u901a\u4fe1\u6a21\u5f0f<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>UART<\/strong>\uff1a\u4ec5\u652f\u6301\u5f02\u6b65\u901a\u4fe1\u6a21\u5f0f\u3002\u8fd9\u610f\u5473\u7740\u5b83\u4e0d\u4f7f\u7528\u65f6\u949f\u7ebf\uff0c\u800c\u662f\u901a\u8fc7\u6570\u636e\u5e27\u7684\u5934\u548c\u5c3e\u6807\u5fd7\u4f4d\u6765\u533a\u5206\u4e0d\u540c\u7684\u6570\u636e\u5e27\uff0c\u5e76\u4e14\u9700\u8981\u9884\u5148\u77e5\u9053\u6ce2\u7279\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>USART<\/strong>\uff1a\u652f\u6301\u540c\u6b65\u548c\u5f02\u6b65\u901a\u4fe1\u6a21\u5f0f\u3002\u5f53USART\u7528\u4e8e\u5f02\u6b65\u901a\u4fe1\u65f6\uff0c\u5176\u529f\u80fd\u4e0eUART\u76f8\u540c;\u4f46\u5728\u540c\u6b65\u901a\u4fe1\u4e2d\uff0c\u5b83\u80fd\u591f\u5229\u7528\u65f6\u949f\u7ebf\u6765\u786e\u5b9a\u6570\u636e\u4f20\u8f93\u7684\u65f6\u95f4\u70b9\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u529f\u80fd\u548c\u6027\u80fd<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>UART<\/strong>\uff1a\u7531\u4e8e\u5176\u534f\u8bae\u7b80\u5355\uff0c\u5b9e\u73b0\u65b9\u4fbf\uff0c\u56e0\u6b64\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d\u3002\u6b64\u5916\uff0cUART\u5177\u6709\u4e30\u5bcc\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u5305\u62ec\u5927\u91cf\u7684\u793e\u533a\u8d44\u6e90\u548c\u8c03\u8bd5\u8f6f\u4ef6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>USART<\/strong>\uff1a\u9664\u4e86\u652f\u6301\u5f02\u6b65\u901a\u4fe1\u5916\uff0c\u8fd8\u652f\u6301\u540c\u6b65\u901a\u4fe1\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u590d\u6742\u901a\u4fe1\u7cfb\u7edf\u4e2d\u6709\u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\u3002USART\u8fd8\u63d0\u4f9b\u4e86\u9519\u8bef\u68c0\u6d4b\u548c\u7ea0\u6b63\u673a\u5236\uff0c\u5e76\u4e14\u517c\u5bb9\u66f4\u591a\u534f\u8bae\uff0c\u5982LIN\u548c\u7ea2\u5916\u6570\u636e\u534f\u4f1a(IRDA)\u534f\u8bae\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>UART<\/strong>\uff1a\u9002\u7528\u4e8e\u5bf9\u901a\u4fe1\u901f\u5ea6\u8981\u6c42\u4e0d\u9ad8\u3001\u7ed3\u6784\u76f8\u5bf9\u7b80\u5355\u7684\u5e94\u7528\u573a\u666f\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e9b\u57fa\u672c\u7684\u5fae\u63a7\u5236\u5668\u6216\u5355\u7247\u673a\u4e2d\uff0cUART\u5e38\u7528\u4e8e\u7b80\u5355\u7684\u4e32\u884c\u901a\u4fe1\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>USART<\/strong>\uff1a\u7531\u4e8e\u5176\u5f3a\u5927\u7684\u529f\u80fd\u548c\u66f4\u9ad8\u7684\u901a\u4fe1\u6548\u7387\uff0c\u9002\u5408\u7528\u4e8e\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u590d\u6742\u901a\u4fe1\u534f\u8bae\u7684\u573a\u666f\u3002\u4f8b\u5982\uff0c\u5728\u6c7d\u8f66\u7535\u5b50\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\uff0cUSART\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000UART\u56e0\u5176\u7b80\u5355\u6027\u548c\u6613\u7528\u6027\uff0c\u5728\u8bb8\u591a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u88ab\u5e7f\u6cdb\u5e94\u7528;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 USB\u534f\u8bae\u5982\u4f55\u652f\u6301\u4e32\u884c\u901a\u4fe1\uff0c\u5e76\u4e14\u4e0e\u5176\u4ed6\u4e32\u53e3\u901a\u4fe1\u534f\u8bae\u76f8\u6bd4\u6709\u4f55\u4f18\u52bf?<\/h2>\n\n\n\n<p>\u3000\u3000USB\u534f\u8bae\u652f\u6301\u4e32\u884c\u901a\u4fe1\u7684\u65b9\u5f0f\u662f\u901a\u8fc7\u6a21\u62df\u4f20\u7edf\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3(\u5982RS-232)\uff0c\u4f7f\u5f97\u4e0d\u5177\u5907\u7269\u7406\u4e32\u53e3\u7684\u8bbe\u5907\u4e5f\u80fd\u8fdb\u884c\u4e32\u884c\u901a\u4fe1\u3002\u8fd9\u79cd\u901a\u4fe1\u65b9\u5f0f\u5728\u5d4c\u5165\u5f0f\u5f00\u53d1\u3001\u7269\u8054\u7f51\u8bbe\u5907\u548c\u667a\u80fd\u8bbe\u5907\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0e\u5176\u4ed6\u4e32\u53e3\u901a\u4fe1\u534f\u8bae\u76f8\u6bd4\uff0cUSB\u534f\u8bae\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u66f4\u5feb<\/strong>\uff1aUSB\u534f\u8bae\u652f\u6301\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u5176\u4f20\u8f93\u901f\u7387\u8fdc\u9ad8\u4e8e\u4f20\u7edf\u7684\u4e32\u53e3\u901a\u4fe1\u534f\u8bae(\u5982RS-232)\uff0c\u8fd9\u4f7f\u5f97USB\u80fd\u591f\u5b9e\u73b0\u66f4\u5feb\u901f\u7684\u6570\u636e\u4ea4\u6362\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u517c\u5bb9\u6027\u66f4\u5f3a<\/strong>\uff1aUSB\u8f6c\u4e32\u53e3\u6280\u672f\u517c\u5bb9\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5305\u62ecWindows\u3001macOS\u548cLinux\uff0c\u51cf\u5c11\u4e86\u5f00\u53d1\u548c\u7ef4\u62a4\u7684\u590d\u6742\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907<\/strong>\uff1aUSB\u4f7f\u7528\u590d\u6742\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u540c\u65f6\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u800c\u4f20\u7edf\u7684\u4e32\u53e3\u4e00\u6b21\u53ea\u80fd\u8fde\u63a5\u4e00\u4e2a\u8bbe\u5907\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u4f20\u8f93\u66f4\u5b89\u5168<\/strong>\uff1aUSB\u534f\u8bae\u53ef\u4ee5\u786e\u4fdd\u4f20\u8f93\u7684\u6570\u636e\u66f4\u52a0\u5b89\u5168\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u52a0\u5bc6\u548c\u8ba4\u8bc1\u673a\u5236\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7075\u6d3b\u6027\u9ad8<\/strong>\uff1aUSB\u662f\u4e00\u79cd\u7075\u6d3b\u7684\u603b\u7ebf\u63a5\u53e3\uff0c\u89e3\u51b3\u4e86PC\u5916\u8bbe\u4e0e\u6709\u9650\u4e3b\u677f\u63d2\u69fd\u548c\u7aef\u53e3\u4e4b\u95f4\u7684\u77db\u76fe\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6269\u5c55\u6027\u548c\u7075\u6d3b\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 I2C\u4e0eSPI\u5728\u96c6\u6210\u7535\u8def\u77ed\u8ddd\u79bb\u901a\u4fe1\u4e2d\u7684\u6027\u80fd\u6bd4\u8f83\u662f\u600e\u6837\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u96c6\u6210\u7535\u8def\u77ed\u8ddd\u79bb\u901a\u4fe1\u4e2d\uff0cI2C\u548cSPI\u5404\u6709\u5176\u4f18\u52bf\u548c\u5c40\u9650\u6027\u3002\u4ee5\u4e0b\u662f\u5b83\u4eec\u6027\u80fd\u7684\u8be6\u7ec6\u6bd4\u8f83\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u901a\u4fe1\u901f\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000SPI\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4e00\u822c\u53ef\u4ee5\u8fbe\u5230\u751a\u81f3\u8d85\u8fc710 Mbps\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cI2C\u7684\u6700\u9ad8\u4f20\u8f93\u901f\u7387\u901a\u5e38\u4e3a\u5feb\u901f+\u6a21\u5f0f\u4e0b\u76841 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class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u7535\u8def\u8bbe\u8ba1\u4e0e\u590d\u6742\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000I2C\u9002\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u7531\u4e8e\u5176\u7b80\u5355\u7684\u67b6\u6784\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u6548\u7684\u591a\u4e3b\u8bbe\u5907\u4ef2\u88c1\u548c\u8bbe\u5907\u8def\u7531\u3002\u8fd9\u4f7f\u5f97I2C\u5728\u9700\u8981\u7ba1\u7406\u591a\u4e2a\u4ece\u8bbe\u5907\u65f6\u66f4\u4e3a\u65b9\u4fbf\u3002<\/p>\n\n\n\n<p>\u3000\u3000SPI\u5219\u9002\u7528\u4e8e\u8fde\u63a5\u5c11\u91cf\u8bbe\u5907\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u4e2d\u3002SPI\u7684\u8bbe\u8ba1\u5141\u8bb8\u5b83\u5728\u5927\u578b\u8bbe\u8ba1\u4e2d\u5b9e\u73b0\u66f4\u9ad8\u7684\u6570\u636e\u541e\u5410\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u8ddd\u79bb\u9650\u5236<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000I2C\u4e3b\u8981\u8bbe\u8ba1\u7528\u4e8e\u5355\u4e2a\u7535\u8def\u677f\u5185\u6216\u4f4d\u7f6e\u8f83\u8fd1\u7684\u7ec4\u4ef6\u4e4b\u95f4\u7684\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002\u968f\u7740SDA\u548cSCL\u7ebf\u957f\u5ea6\u7684\u589e\u52a0\uff0c\u603b\u7535\u5bb9\u4e5f\u4f1a\u589e\u52a0\uff0c\u4ece\u800c\u5bfc\u81f4\u4e0a\u5347\u65f6\u95f4\u53d8\u6162\u548c\u6f5c\u5728\u7684\u4fe1\u53f7\u8870\u51cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000SPI\u6ca1\u6709\u660e\u786e\u7684\u901f\u5ea6\u9650\u5236\uff0c\u56e0\u6b64\u5728\u957f\u8ddd\u79bb\u901a\u4fe1\u4e2d\u4e5f\u8868\u73b0\u51fa\u8f83\u597d\u7684\u6027\u80fd\uff0c\u4f46\u5176\u5b9e\u9645\u5e94\u7528\u4ecd\u53d7\u9650\u4e8e\u7269\u7406\u8fde\u63a5\u7684\u8d28\u91cf\u548c\u8ddd\u79bb\u3002<\/p>\n\n\n\n<h3 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