{"id":44508,"date":"2023-10-03T11:14:55","date_gmt":"2023-10-03T03:14:55","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=44508"},"modified":"2023-11-25T00:11:39","modified_gmt":"2023-11-24T16:11:39","slug":"ijkdp","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/44508.html","title":{"rendered":"I2C\u63a5\u53e3\u7535\u5e73"},"content":{"rendered":"

  I2C\u63a5\u53e3\u7535\u5e73\u662f\u4e00\u79cd\u7528\u4e8e\u8fde\u63a5\u4e0d\u540c\u5355\u7247\u673a\u7684\u901a\u7528\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u5355\u7247\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u6548\u7387\uff0c\u5e76\u4f7f\u5f97\u591a\u4e2a\u5355\u7247\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\u548c\u9ad8\u6548\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdI2C\u63a5\u53e3\u7535\u5e73\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5e76\u4ecb\u7ecd\u4e0d\u540c\u5355\u7247\u673a\u7684I2C\u63a5\u53e3\u7535\u5e73\u7684\u7279\u70b9\u3002<\/p>\n

I2C\u63a5\u53e3\u7535\u5e73\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  I2C\u63a5\u53e3\u7535\u5e73\u662f\u4e00\u79cd\u4e24\u7ebf\u5f0f\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u901a\u8fc7\u4e24\u6839\u7ebf\u8def\uff0c\u5373SCL\u548cSDA\uff0c\u6765\u5b9e\u73b0\u4e0d\u540c\u5355\u7247\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u3002I2C\u63a5\u53e3\u7535\u5e73\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u5f53\u4e24\u4e2a\u5355\u7247\u673a\u4e4b\u95f4\u7684SCL\u548cSDA\u7ebf\u8def\u8fde\u63a5\u5728\u4e00\u8d77\u65f6\uff0cSCL\u7ebf\u8def\u4e0a\u7684\u4fe1\u53f7\u5c06\u4f5c\u4e3a\u65f6\u949f\u4fe1\u53f7\uff0c\u7528\u4e8e\u63a7\u5236\u6570\u636e\u5728SDA\u7ebf\u8def\u4e0a\u4f20\u8f93\u7684\u901f\u5ea6\uff0c\u800cSDA\u7ebf\u8def\u4e0a\u7684\u4fe1\u53f7\u5219\u7528\u4e8e\u4f20\u8f93\u5b9e\u9645\u7684\u6570\u636e\u3002<\/p>\n

  \u53e6\u5916\uff0cI2C\u63a5\u53e3\u7535\u5e73\u8fd8\u5177\u6709\u81ea\u52a8\u68c0\u6d4b\u548c\u81ea\u52a8\u91cd\u65b0\u540c\u6b65\u7684\u529f\u80fd\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u56e0\u4e3a\u4e24\u7ebf\u8def\u4e4b\u95f4\u7684\u4fe1\u53f7\u4e0d\u4e00\u81f4\u800c\u5bfc\u81f4\u7684\u901a\u4fe1\u6545\u969c\u3002\u6b64\u5916\uff0cI2C\u63a5\u53e3\u7535\u5e73\u8fd8\u5177\u6709\u53ef\u9760\u6027\u9ad8\u3001\u4f20\u8f93\u901f\u5ea6\u5feb\u7b49\u4f18\u70b9\uff0c\u4f7f\u5f97\u5b83\u53ef\u4ee5\u7528\u4e8e\u66f4\u590d\u6742\u7684\u7cfb\u7edf\u4e2d\u3002<\/p>\n

\u4e0d\u540c\u5355\u7247\u673a\u7684I2C\u63a5\u53e3\u7535\u5e73\u7279\u70b9<\/h2>\n

  Atmel\u5355\u7247\u673a<\/h3>\n

  Atmel\u5355\u7247\u673a\u7684I2C\u63a5\u53e3\u7535\u5e73\u5177\u6709\u8f83\u9ad8\u7684\u53ef\u9760\u6027\u548c\u4f20\u8f93\u901f\u5ea6\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u6700\u9ad8\u901f\u7387\u4e3a400KHz\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5f97\u5b83\u53ef\u4ee5\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u4e2d\u3002\u6b64\u5916\uff0cAtmel\u5355\u7247\u673a\u7684I2C\u63a5\u53e3\u7535\u5e73\u8fd8\u5177\u6709\u81ea\u52a8\u68c0\u6d4b\u548c\u81ea\u52a8\u91cd\u65b0\u540c\u6b65\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u56e0\u4e3a\u4fe1\u53f7\u4e0d\u4e00\u81f4\u800c\u5bfc\u81f4\u7684\u901a\u4fe1\u6545\u969c\u3002<\/p>\n

  NXP\u5355\u7247\u673a<\/h3>\n

  NXP\u5355\u7247\u673a\u7684I2C\u63a5\u53e3\u7535\u5e73\u5177\u6709\u8f83\u9ad8\u7684\u53ef\u9760\u6027\u548c\u4f20\u8f93\u901f\u5ea6\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u6700\u9ad8\u901f\u7387\u4e3a1MHz\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5f97\u5b83\u53ef\u4ee5\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u4e2d\u3002\u6b64\u5916\uff0cNXP\u5355\u7247\u673a\u7684I2C\u63a5\u53e3\u7535\u5e73\u8fd8\u5177\u6709\u81ea\u52a8\u68c0\u6d4b\u548c\u81ea\u52a8\u91cd\u65b0\u540c\u6b65\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u56e0\u4e3a\u4fe1\u53f7\u4e0d\u4e00\u81f4\u800c\u5bfc\u81f4\u7684\u901a\u4fe1\u6545\u969c\u3002<\/p>\n

  ST\u5355\u7247\u673a<\/h3>\n

  ST\u5355\u7247\u673a\u7684I2C\u63a5\u53e3\u7535\u5e73\u5177\u6709\u8f83\u9ad8\u7684\u53ef\u9760\u6027\u548c\u4f20\u8f93\u901f\u5ea6\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u6700\u9ad8\u901f\u7387\u4e3a3.4MHz\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5f97\u5b83\u53ef\u4ee5\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u4e2d\u3002\u6b64\u5916\uff0cST\u5355\u7247\u673a\u7684I2C\u63a5\u53e3\u7535\u5e73\u8fd8\u5177\u6709\u81ea\u52a8\u68c0\u6d4b\u548c\u81ea\u52a8\u91cd\u65b0\u540c\u6b65\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u56e0\u4e3a\u4fe1\u53f7\u4e0d\u4e00\u81f4\u800c\u5bfc\u81f4\u7684\u901a\u4fe1\u6545\u969c\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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