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我用430对bq78350通信，使用的msp430G2553 SMBus 例程（msp430_smbuslib_1_10_00_00），发现一直无法通信，但是用两片430模拟SMBus通信是可以的。
根据你描述的情况，应该不是SMBus是slave还是master的问题。请先确保BQ78350工作正常，如供电等。
