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HDC1080: HDC1080读取温湿度值全为0xFF

Part Number: HDC1080

您好,我已按照此方法设置第9个clock时拉低SCL,重新发送restart命令后,地址为0x81之后依然没有收到ACK信号,读取寄存器的值也还是FF。下面附上我的时序图。

上图是触发测量,下图是读取数据。中间等待的转换时间试过2ms和10ms。

期待您的解答。

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