{"id":21753,"date":"2023-09-03T09:06:18","date_gmt":"2023-09-03T01:06:18","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=21753"},"modified":"2023-09-03T09:07:07","modified_gmt":"2023-09-03T01:07:07","slug":"ijkzmj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/21753.html","title":{"rendered":"IIC\u63a5\u53e3\u600e\u4e48\u63a5\uff1f"},"content":{"rendered":"

  \u968f\u7740\u79d1\u6280\u7684\u53d1\u5c55\uff0cIIC\u63a5\u53e3\u7684\u4f7f\u7528\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u3002IIC\u63a5\u53e3\uff08Inter-Integrated Circuit\uff09\u662f\u4e00\u79cd\u4f4e\u901f\u7684\u3001\u4f4e\u6210\u672c\u7684\u3001\u4f4e\u529f\u8017\u7684\u4e32\u884c\u603b\u7ebf\u63a5\u53e3\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u82af\u7247\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u672c\u6587\u5c06\u6df1\u5165\u4ecb\u7ecdIIC\u63a5\u53e3\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5e76\u8be6\u7ec6\u8bf4\u660e\u5982\u4f55\u8fde\u63a5IIC\u63a5\u53e3\uff0c\u4ee5\u53ca\u5728\u7535\u8def\u8bbe\u8ba1\u4e2d\u5e94\u8be5\u6ce8\u610f\u54ea\u4e9b\u95ee\u9898\u3002<\/p>\n

IIC\u63a5\u53e3\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  IIC\u63a5\u53e3\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5176\u5de5\u4f5c\u539f\u7406\u4e3b\u8981\u662f\u5229\u7528\u4e24\u6839\u7ebf\uff0c\u5373SCL\uff08\u65f6\u949f\u7ebf\uff09\u548cSDA\uff08\u6570\u636e\u7ebf\uff09\u6765\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5f53\u63a5\u6536\u7aef\u6536\u5230\u53d1\u9001\u7aef\u53d1\u51fa\u7684SCL\u4fe1\u53f7\u65f6\uff0c\u63a5\u6536\u7aef\u5c31\u4f1a\u68c0\u6d4bSDA\u7ebf\u4e0a\u7684\u6570\u636e\uff0c\u5e76\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5185\u90e8\u5b58\u50a8\u5668\u4e2d\u3002\u540c\u65f6\uff0c\u53d1\u9001\u7aef\u4f1a\u6839\u636e\u63a5\u6536\u7aef\u7684\u54cd\u5e94\u6765\u786e\u5b9a\u662f\u5426\u7ee7\u7eed\u53d1\u9001\u6570\u636e\u3002<\/p>\n

\u5982\u4f55\u8fde\u63a5IIC\u63a5\u53e3<\/h2>\n

1.\u51c6\u5907\u8fde\u63a5\u7ebf<\/h3>\n

  \u9996\u5148\uff0c\u9700\u8981\u51c6\u5907\u4e00\u6761SCL\u7ebf\u548c\u4e00\u6761SDA\u7ebf\uff0c\u5e76\u5c06\u5b83\u4eec\u8fde\u63a5\u5230IIC\u63a5\u53e3\u4e0a\u3002SCL\u7ebf\u7528\u4e8e\u63a7\u5236\u65f6\u949f\u4fe1\u53f7\uff0cSDA\u7ebf\u7528\u4e8e\u4f20\u8f93\u6570\u636e\u3002\u4e24\u6839\u7ebf\u7684\u8fde\u63a5\u987a\u5e8f\u65e0\u5173\u7d27\u8981\uff0c\u4f46\u662f\u9700\u8981\u786e\u4fdd\u4e24\u6839\u7ebf\u7684\u957f\u5ea6\u5c3d\u53ef\u80fd\u4e00\u81f4\uff0c\u4ee5\u514d\u51fa\u73b0\u4fe1\u53f7\u9519\u8bef\u3002<\/p>\n

2.\u8fde\u63a5\u7535\u6e90<\/h3>\n

  \u63a5\u4e0b\u6765\uff0c\u9700\u8981\u8fde\u63a5\u7535\u6e90\uff0c\u4ee5\u4f7fIIC\u63a5\u53e3\u6b63\u5e38\u5de5\u4f5c\u3002\u4e00\u822c\u6765\u8bf4\uff0cIIC\u63a5\u53e3\u4f1a\u4f7f\u75283.3V\u62165V\u7684\u7535\u6e90\uff0c\u5177\u4f53\u7535\u538b\u503c\u53d6\u51b3\u4e8eIIC\u63a5\u53e3\u7684\u5177\u4f53\u578b\u53f7\u3002\u540c\u65f6\uff0c\u8fd8\u9700\u8981\u786e\u4fdd\u7535\u6e90\u7684\u7a33\u5b9a\u6027\uff0c\u4ee5\u514d\u5f71\u54cdIIC\u63a5\u53e3\u7684\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n

3.\u68c0\u67e5\u8fde\u63a5<\/h3>\n

  \u6700\u540e\uff0c\u9700\u8981\u68c0\u67e5\u8fde\u63a5\u662f\u5426\u6b63\u786e\u3002\u9996\u5148\uff0c\u68c0\u67e5SCL\u548cSDA\u7ebf\u662f\u5426\u8fde\u63a5\u6b63\u786e\uff0c\u5e76\u786e\u4fdd\u4e24\u6839\u7ebf\u7684\u957f\u5ea6\u5c3d\u53ef\u80fd\u4e00\u81f4\uff1b\u5176\u6b21\uff0c\u68c0\u67e5\u7535\u6e90\u662f\u5426\u8fde\u63a5\u6b63\u786e\uff0c\u5e76\u786e\u4fdd\u7535\u538b\u503c\u4e0eIIC\u63a5\u53e3\u7684\u8981\u6c42\u4e00\u81f4\uff1b\u6700\u540e\uff0c\u68c0\u67e5\u7535\u6e90\u7684\u7a33\u5b9a\u6027\uff0c\u4ee5\u514d\u5f71\u54cdIIC\u63a5\u53e3\u7684\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n

\u5728\u7535\u8def\u8bbe\u8ba1\u4e2d\u5e94\u6ce8\u610f\u7684\u95ee\u9898<\/h2>\n

1.\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027<\/h3>\n

  \u5728\u7535\u8def\u8bbe\u8ba1\u4e2d\uff0c\u9700\u8981\u786e\u4fddIIC\u63a5\u53e3\u7684\u4fe1\u53f7\u7a33\u5b9a\u6027\uff0c\u4ee5\u514d\u5f71\u54cdIIC\u63a5\u53e3\u7684\u6b63\u5e38\u5de5\u4f5c\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u7535\u8def\u65f6\uff0c\u5e94\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u9ad8\u9891\u4fe1\u53f7\uff0c\u5e76\u786e\u4fddIIC\u63a5\u53e3\u7684\u6570\u636e\u7ebf\u548c\u65f6\u949f\u7ebf\u7684\u957f\u5ea6\u5c3d\u53ef\u80fd\u4e00\u81f4\u3002<\/p>\n

2.\u7535\u6e90\u7684\u7a33\u5b9a\u6027<\/h3>\n

  \u6b64\u5916\uff0c\u8fd8\u9700\u8981\u786e\u4fddIIC\u63a5\u53e3\u7684\u7535\u6e90\u7a33\u5b9a\u6027\uff0c\u4ee5\u514d\u5f71\u54cdIIC\u63a5\u53e3\u7684\u6b63\u5e38\u5de5\u4f5c\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u7535\u8def\u65f6\uff0c\u5e94\u5c3d\u91cf\u51cf\u5c11\u5bf9IIC\u63a5\u53e3\u7684\u7535\u6e90\u7684\u5e72\u6270\uff0c\u5e76\u786e\u4fdd\u7535\u538b\u503c\u4e0eIIC\u63a5\u53e3\u7684\u8981\u6c42\u4e00\u81f4\u3002<\/p>\n

3.\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879<\/h3>\n

  \u6b64\u5916\uff0c\u8fd8\u9700\u8981\u6ce8\u610fIIC\u63a5\u53e3\u7684\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879\uff0c\u6bd4\u5982\u63a5\u53e3\u7684\u6e29\u5ea6\u3001\u566a\u58f0\u7b49\u3002\u5728\u4f7f\u7528IIC\u63a5\u53e3\u65f6\uff0c\u5e94\u5c3d\u91cf\u907f\u514d\u63a5\u53e3\u6e29\u5ea6\u8fc7\u9ad8\uff0c\u5e76\u5c3d\u91cf\u51cf\u5c11\u566a\u58f0\u7684\u5e72\u6270\uff0c\u4ee5\u786e\u4fddIIC\u63a5\u53e3\u7684\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86IIC\u63a5\u53e3\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5e76\u8be6\u7ec6\u8bf4\u660e\u4e86\u5982\u4f55\u8fde\u63a5IIC\u63a5\u53e3\uff0c\u4ee5\u53ca\u5728\u7535\u8def\u8bbe\u8ba1\u4e2d\u5e94\u8be5\u6ce8\u610f\u54ea\u4e9b\u95ee\u9898\u3002<\/strong>\u901a\u8fc7\u672c\u6587\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u52a0\u4e86\u89e3IIC\u63a5\u53e3\uff0c\u5e76\u6b63\u786e\u4f7f\u7528IIC\u63a5\u53e3\uff0c\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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