{"id":5144,"date":"2023-06-29T12:57:32","date_gmt":"2023-06-29T04:57:32","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=5144"},"modified":"2023-06-29T12:57:37","modified_gmt":"2023-06-29T04:57:37","slug":"itxxyyl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/5144.html","title":{"rendered":"IIC\u901a\u4fe1\u534f\u8bae\u539f\u7406?"},"content":{"rendered":"\n

\u3000\u3000IIC\u901a\u4fe1\u534f\u8bae<\/a><\/strong>\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u7535\u8def\u677f\u5185\u90e8\u6216\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u662f\u7531Philips(\u73b0\u5728\u7684NXP Semiconductors)\u5f00\u53d1\u7684\uff0c\u56e0\u6b64\u4e5f\u88ab\u79f0\u4e3aPhilips IIC\u6216Philips Two-Wire Interface\u3002\u672c\u6587\u5c06\u4ecb\u7ecdIIC\u901a\u4fe1\u534f\u8bae\u7684\u539f\u7406\u53ca\u5176\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001IIC\u901a\u4fe1\u534f\u8bae\u7684\u57fa\u672c\u539f\u7406<\/h2>\n\n\n\n

\u3000\u3000IIC\u901a\u4fe1\u534f\u8bae\u4f7f\u7528\u4e24\u6839\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u4e00\u6839\u662f\u65f6\u949f\u7ebf(SCL)\uff0c\u53e6\u4e00\u6839\u662f\u6570\u636e\u7ebf(SDA)\u3002\u901a\u4fe1\u4e2d\uff0c\u4e3b\u8bbe\u5907\u8d1f\u8d23\u4ea7\u751f\u65f6\u949f\u4fe1\u53f7\uff0c\u4ece\u8bbe\u5907\u5219\u8d1f\u8d23\u5728\u65f6\u949f\u4fe1\u53f7\u7684\u63a7\u5236\u4e0b\u4f20\u8f93\u6570\u636e\u3002IIC\u901a\u4fe1\u534f\u8bae\u91c7\u7528\u4e86\u4e3b\u4ece\u7ed3\u6784\uff0c\u4e00\u4e2a\u4e3b\u8bbe\u5907\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u4ece\u8bbe\u5907\uff0c\u4f46\u6bcf\u4e2a\u4ece\u8bbe\u5907\u5fc5\u987b\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u5730\u5740\u3002<\/p>\n\n\n\n

\u3000\u3000IIC\u901a\u4fe1\u534f\u8bae\u7684\u57fa\u672c\u4f20\u8f93\u5355\u4f4d\u662f\u5b57\u8282\u3002\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u4e3b\u8bbe\u5907\u5148\u53d1\u9001\u8d77\u59cb\u4fe1\u53f7(Start Bit)\uff0c\u7136\u540e\u53d1\u9001\u4ece\u8bbe\u5907\u5730\u5740\u548c\u8bfb\u5199\u4f4d\uff0c\u63a5\u7740\u4ece\u8bbe\u5907\u53d1\u9001\u5e94\u7b54\u4fe1\u53f7(Acknowledge Bit)\uff0c\u8868\u793a\u51c6\u5907\u597d\u63a5\u6536\u6570\u636e\u3002\u4e3b\u8bbe\u5907\u63a5\u7740\u53d1\u9001\u6570\u636e\uff0c\u5e76\u7b49\u5f85\u4ece\u8bbe\u5907\u53d1\u9001\u5e94\u7b54\u4fe1\u53f7\u3002\u4f20\u8f93\u5b8c\u6210\u540e\uff0c\u4e3b\u8bbe\u5907\u53d1\u9001\u505c\u6b62\u4fe1\u53f7(Stop Bit)\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001IIC\u901a\u4fe1\u534f\u8bae\u7684\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000IIC\u901a\u4fe1\u534f\u8bae\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7535\u5b50\u8bbe\u5907\u4e2d\uff0c\u5982\u4f20\u611f\u5668\u3001\u5b58\u50a8\u5668\u3001\u663e\u793a\u5668\u3001\u97f3\u9891\u8bbe\u5907\u7b49\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u6e29\u5ea6\u4f20\u611f\u5668<\/h3>\n\n\n\n

\u3000\u3000\u6e29\u5ea6\u4f20\u611f\u5668\u901a\u5e38\u91c7\u7528\u6570\u5b57\u5f0f\u8f93\u51fa\uff0c\u5176\u8f93\u51fa\u503c\u53ef\u4ee5\u901a\u8fc7IIC\u901a\u4fe1\u534f\u8bae\u4f20\u8f93\u5230\u4e3b\u8bbe\u5907\u3002\u4f8b\u5982\uff0cMaxim DS1621\u6e29\u5ea6\u4f20\u611f\u5668\u5c31\u662f\u4e00\u79cd\u91c7\u7528IIC\u901a\u4fe1\u534f\u8bae\u7684\u6570\u5b57\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u53ef\u6d4b\u91cf\u6e29\u5ea6\u8303\u56f4\u4ece-55\u00b0C\u5230+125\u00b0C\u3002<\/p>\n\n\n\n

\u3000\u30002. \u5b58\u50a8\u5668<\/h3>\n\n\n\n

\u3000\u3000IIC\u901a\u4fe1\u534f\u8bae\u4e5f\u53ef\u7528\u4e8e\u5b58\u50a8\u5668\u7684\u63a7\u5236\u548c\u8bfb\u5199\u3002\u4f8b\u5982\uff0cMicrochip\u768424LC16B EEPROM\u5b58\u50a8\u5668\u5c31\u662f\u4e00\u79cd\u91c7\u7528IIC\u901a\u4fe1\u534f\u8bae\u7684\u5b58\u50a8\u5668\uff0c\u53ef\u5b58\u50a816K\u4f4d\u7684\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u30003. \u663e\u793a\u5668<\/h3>\n\n\n\n

\u3000\u3000IIC\u901a\u4fe1\u534f\u8bae\u8fd8\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u663e\u793a\u5668\u3002\u4f8b\u5982\uff0cSSD1306 OLED\u663e\u793a\u5668\u5c31\u662f\u4e00\u79cd\u91c7\u7528IIC\u901a\u4fe1\u534f\u8bae\u7684\u663e\u793a\u5668\uff0c\u53ef\u663e\u793a128×64\u50cf\u7d20\u7684\u56fe\u50cf\u3002<\/p>\n\n\n\n

\u3000\u30004. \u97f3\u9891\u8bbe\u5907<\/h3>\n\n\n\n

\u3000\u3000IIC\u901a\u4fe1\u534f\u8bae\u4e5f\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u97f3\u9891\u8bbe\u5907\u3002\u4f8b\u5982\uff0cPCM5102A\u6570\u5b57\u97f3\u9891\u8f6c\u6362\u5668\u5c31\u662f\u4e00\u79cd\u91c7\u7528IIC\u901a\u4fe1\u534f\u8bae\u7684\u97f3\u9891\u8bbe\u5907\uff0c\u53ef\u5c06\u6570\u5b57\u97f3\u9891\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6a21\u62df\u97f3\u9891\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001IIC\u901a\u4fe1\u534f\u8bae\u7684\u4f18\u70b9\u548c\u7f3a\u70b9<\/h2>\n\n\n\n

\u3000\u3000IIC\u901a\u4fe1\u534f\u8bae\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u30001. \u4e24\u6839\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u7b80\u5316\u4e86\u8fde\u63a5\u548c\u5e03\u7ebf\u3002<\/li>\n\n\n\n
  • \u3000\u30002. \u4e3b\u4ece\u7ed3\u6784\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u4ece\u8bbe\u5907\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u53ef\u6269\u5c55\u6027\u3002<\/li>\n\n\n\n
  • \u3000\u30003. \u4f20\u8f93\u901f\u5ea6\u8f83\u5feb\uff0c\u6700\u9ad8\u53ef\u8fbe400kHz\u3002<\/li>\n\n\n\n
  • \u3000\u30004. \u53ef\u4ee5\u4f20\u8f93\u591a\u79cd\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5982\u6e29\u5ea6\u3001\u6e7f\u5ea6\u3001\u538b\u529b\u3001\u5149\u5f3a\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000IIC\u901a\u4fe1\u534f\u8bae\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u30001. \u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u4e00\u822c\u4e0d\u8d85\u8fc71\u7c73\u3002<\/li>\n\n\n\n
    • \u3000\u30002. \u901a\u4fe1\u901f\u5ea6\u53d7\u5230\u4e3b\u8bbe\u5907\u7684\u9650\u5236\u3002<\/li>\n\n\n\n
    • \u3000\u30003. \u4ece\u8bbe\u5907\u5fc5\u987b\u6709\u552f\u4e00\u7684\u5730\u5740\uff0c\u9650\u5236\u4e86\u8fde\u63a5\u7684\u4ece\u8bbe\u5907\u6570\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u56db\u3001\u603b\u7ed3<\/h2>\n\n\n\n

      \u3000\u3000IIC\u901a\u4fe1\u534f\u8bae\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7535\u5b50\u8bbe\u5907\u4e2d\u3002\u5b83\u91c7\u7528\u4e24\u6839\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u4e3b\u4ece\u7ed3\u6784\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u4ece\u8bbe\u5907\uff0c\u4f20\u8f93\u901f\u5ea6\u8f83\u5feb\uff0c\u53ef\u4ee5\u4f20\u8f93\u591a\u79cd\u7c7b\u578b\u7684\u6570\u636e\u3002\u4f46\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u901a\u4fe1\u901f\u5ea6\u53d7\u5230\u4e3b\u8bbe\u5907\u7684\u9650\u5236\uff0c\u4ece\u8bbe\u5907\u5fc5\u987b\u6709\u552f\u4e00\u7684\u5730\u5740\uff0c\u9650\u5236\u4e86\u8fde\u63a5\u7684\u4ece\u8bbe\u5907\u6570\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      IIC\u901a\u4fe1\u534f\u8bae\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u7535\u8def\u677f\u5185\u90e8\u6216\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u662f\u7531Philips(\u73b0\u5728\u7684NXP Semiconductors)\u5f00\u53d1\u7684\uff0c\u56e0\u6b64\u4e5f\u88ab\u79f0\u4e3aPhilips IIC\u6216Philips Two-Wire Interface\u3002<\/p>\n","protected":false},"author":1,"featured_media":3671,"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":[153],"class_list":["post-5144","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-iic"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/5144"}],"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=5144"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/5144\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=5144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=5144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=5144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}