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单片机IO脚模拟I2C与BQ4050进行通讯采集电池数据，通讯加了PEC，但仍能采集到一些电池错误数据，比如采集到的温度值255；单片机程序只有该电池采集任务，且关闭了所有中断；这个问题该如何解决？
