海思3559平台调试TCA9546A

概述 The TCA9546A is a 4-channel, bidirectional translating switch for I 2 C buses that supports Standard-Mode (100 kHz) and Fast-Mode (400 kHz) operation TCA9546A是一个４频道双向传输的i2c复用芯片，可以支持标准的100KHZ和高速传输的4

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