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I2C\u63a5\u53e3\uff08Inter-Integrated Circuit\uff09\uff0c\u53c8\u79f0\u4e3aIIC\u63a5\u53e3\uff0c\u662f\u4e00\u79cd\u7531Philips\u516c\u53f8\u53d1\u660e\u7684\u7ebf\u6027\u4e32\u884c\u6570\u636e\u4f20\u8f93\u63a5\u53e3\u3002\u5b83\u662f\u4e00\u79cd\u5178\u578b\u7684\u53cc\u7ebf\u5236\u7684\u63a5\u53e3\uff0c\u5177\u6709\u4f4e\u529f\u8017\u3001\u4f4e\u901f\u5ea6\u3001\u4f4e\u6210\u672c\u3001\u9ad8\u53ef\u9760\u6027\u7b49\u7279\u70b9\uff0c\u56e0\u6b64\u5b83\u5728\u5f88\u591a\u7535\u5b50\u8bbe\u5907\u4e2d\u90fd\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n
I2C\u63a5\u53e3\u5177\u6709\u4ee5\u4e0b\u51e0\u4e2a\u7279\u70b9\uff1a<\/p>\n
SPI\u63a5\u53e3\uff08Serial Peripheral Interface\uff09\uff0c\u53c8\u79f0\u4e3a\u4e32\u884c\u5916\u56f4\u63a5\u53e3\uff0c\u662f\u4e00\u79cd\u7531Motorola\u516c\u53f8\u53d1\u660e\u7684\u7ebf\u6027\u4e32\u884c\u6570\u636e\u4f20\u8f93\u63a5\u53e3\u3002\u5b83\u662f\u4e00\u79cd\u5178\u578b\u7684\u591a\u7ebf\u5236\u7684\u63a5\u53e3\uff0c\u5177\u6709\u9ad8\u901f\u5ea6\u3001\u9ad8\u53ef\u9760\u6027\u7b49\u7279\u70b9\uff0c\u56e0\u6b64\u5b83\u5728\u5f88\u591a\u7535\u5b50\u8bbe\u5907\u4e2d\u90fd\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n
SPI\u63a5\u53e3\u5177\u6709\u4ee5\u4e0b\u51e0\u4e2a\u7279\u70b9\uff1a<\/p>\n
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I2C\u63a5\u53e3\u662f\u4e00\u79cd\u53cc\u7ebf\u5236\u7684\u63a5\u53e3\uff0c\u5177\u6709\u4e24\u6839\u4fe1\u53f7\u7ebf\uff1b\u800cSPI\u63a5\u53e3\u662f\u4e00\u79cd\u591a\u7ebf\u5236\u7684\u63a5\u53e3\uff0c\u5177\u6709\u56db\u6839\u4fe1\u53f7\u7ebf\u3002<\/p>\n
I2C\u63a5\u53e3\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u8f83\u4f4e\uff0c\u53ef\u4ee5\u8fbe\u5230\u4f4e\u81f3100Kbps\uff1b\u800cSPI\u63a5\u53e3\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u8f83\u9ad8\uff0c\u53ef\u4ee5\u8fbe\u5230\u9ad8\u81f320Mbps\u3002<\/p>\n
I2C\u63a5\u53e3\u7684\u7535\u6d41\u6d88\u8017\u8f83\u4f4e\uff0c\u53ef\u4ee5\u8fbe\u5230\u4f4e\u81f31mA\uff1b\u800cSPI\u63a5\u53e3\u7684\u7535\u6d41\u6d88\u8017\u8f83\u9ad8\uff0c\u53ef\u4ee5\u8fbe\u5230\u9ad8\u81f325mA\u3002<\/p>\n
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