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ADS1115 IIC 通讯时丛机回复ACK 信号延时太大

Other Parts Discussed in Thread: ADS1115

我使用STM32单片机以4MHZ运行,以大概100khz的时钟IIC进行与ADS1115通讯,发现当传输完8位时,需要等待近14ms 才能从逻辑分析仪上看到丛机返回的ACK信号。单片机与ADS1115之间用的TXS0104进行的数据电平转换。这么大的延时应该不是正常现象吧。