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FDC2212: 传感器工作异常

Part Number: FDC2212


我们在使用模拟I2C同FDC2212通信时,MCU侧轮询读取FDC2212转换的数据,数据刚开始读取正常,大概2分钟左右,i2c读取不到FDC2212返回的数据,此时FDC没有LC振荡波形输出。启用INTB输出,初始化后,INTB脚输出低电平,当FDC芯片出现不答复且无振荡输出情形时,INTB输出高电平。请问各位专家,这个问题可能是什么原因导致的呢?