{"id":5146,"date":"2023-06-29T13:01:18","date_gmt":"2023-06-29T05:01:18","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=5146"},"modified":"2023-11-25T00:17:08","modified_gmt":"2023-11-24T16:17:08","slug":"iysdqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/5146.html","title":{"rendered":"I2C\u4e0eSPI\u7684\u533a\u522b\uff1f"},"content":{"rendered":"\n

\u3000\u3000\u5728\u73b0\u4ee3\u7535\u5b50\u8bbe\u5907\u4e2d\uff0cI2C<\/a><\/strong>\u548cSPI\u662f\u4e24\u79cd\u6700\u5e38\u7528\u7684\u901a\u4fe1\u534f\u8bae\u3002\u5b83\u4eec\u90fd\u662f\u4e3a\u4e86\u5728\u4e0d\u540c\u7684\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u800c\u8bbe\u8ba1\u7684\u3002\u867d\u7136\u5b83\u4eec\u90fd\u53ef\u4ee5\u5b9e\u73b0\u76f8\u4f3c\u7684\u529f\u80fd\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u8fd8\u662f\u6709\u5f88\u5927\u7684\u533a\u522b\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bbaI2C\u548cSPI\u4e4b\u95f4\u7684\u4e0d\u540c\u4e4b\u5904\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001I2C<\/h2>\n\n\n\n

\u3000\u3000I2C\u5168\u79f0\u4e3aInter-Integrated Circuit\uff0c\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7531Philips\u516c\u53f8\u5f00\u53d1\u3002I2C\u4f7f\u7528\u4e24\u6839\u7ebf(SCL\u548cSDA)\u8fdb\u884c\u901a\u4fe1\uff0c\u5176\u4e2dSCL\u662f\u65f6\u949f\u7ebf\uff0cSDA\u662f\u6570\u636e\u7ebf\u3002I2C\u4e3b\u8981\u7528\u4e8e\u4f4e\u901f\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u4f8b\u5982\u4f20\u611f\u5668\u3001\u6e29\u5ea6\u8ba1\u3001EEPROM\u7b49\u3002<\/p>\n\n\n\n

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\u3000\u3000\u4e8c\u3001SPI<\/h2>\n\n\n\n

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\u3000\u3000\u7136\u800c\uff0cSPI\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9\u3002\u9996\u5148\uff0cSPI\u7684\u8fde\u63a5\u65b9\u5f0f\u6bd4\u8f83\u590d\u6742\uff0c\u9700\u8981\u8fde\u63a5\u591a\u4e2a\u7ebf\u8def\u3002\u5176\u6b21\uff0c\u6bcf\u4e2a\u4ece\u8bbe\u5907\u90fd\u9700\u8981\u4e00\u4e2a\u72ec\u7acb\u7684\u7247\u9009\u7ebf\uff0c\u56e0\u6b64\u5728\u8fde\u63a5\u591a\u4e2a\u4ece\u8bbe\u5907\u65f6\u9700\u8981\u6d88\u8017\u66f4\u591a\u7684\u5f15\u811a\u3002\u6700\u540e\uff0cSPI\u4e0d\u80fd\u8fde\u63a5\u592a\u591a\u7684\u8bbe\u5907\uff0c\u901a\u5e38\u53ea\u80fd\u8fde\u63a54\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001I2C\u4e0eSPI\u7684\u533a\u522b<\/h2>\n\n\n\n

\u3000\u30001.\u8fde\u63a5\u65b9\u5f0f\u4e0d\u540c<\/h3>\n\n\n\n

\u3000\u3000I2C\u53ea\u9700\u8981\u4e24\u6839\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u800cSPI\u9700\u8981\u56db\u6839\u7ebf\u8fdb\u884c\u901a\u4fe1\u3002\u56e0\u6b64\uff0cI2C\u7684\u8fde\u63a5\u65b9\u5f0f\u6bd4SPI\u66f4\u7b80\u5355\u3002<\/p>\n\n\n\n

\u3000\u30002.\u901f\u5ea6\u4e0d\u540c<\/h3>\n\n\n\n

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\u3000\u30003.\u4f20\u8f93\u8ddd\u79bb\u4e0d\u540c<\/h3>\n\n\n\n

\u3000\u3000SPI\u7684\u4f20\u8f93\u8ddd\u79bb\u6bd4I2C\u957f\u5f97\u591a\uff0c\u53ef\u4ee5\u8fbe\u5230\u6570\u5341\u7c73\uff0c\u800cI2C\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u53ea\u80fd\u8fbe\u5230\u51e0\u7c73\u3002\u56e0\u6b64\uff0c\u5728\u9700\u8981\u4f20\u8f93\u6570\u636e\u7684\u8fdc\u8ddd\u79bb\u573a\u666f\u4e0b\uff0cSPI\u66f4\u5177\u4f18\u52bf\u3002<\/p>\n\n\n\n

\u3000\u30004.\u8fde\u63a5\u6570\u91cf\u4e0d\u540c<\/h3>\n\n\n\n

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

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