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FDC2212: status寄存器的DRDY位总是为0且老是报通道0存在未读取转换。

Part Number: FDC2212

我将mux_config寄存器配置为单通道连续转换;config寄存器配置为启用INTB_DIS;ERR_CONFIG寄存器的DRDY-2INT置1,来启用数据就绪标志;为啥产生中断后我读取状态寄存器,status的DRDY位不为1呢?而只是报通道0存在未读取转换;单通道连续转换,应该每次转换完成DRDY位都会置1吧