你好,我使用MCU通过I2C与BQ7652通讯,当设备启动时,我将RST引脚拉低持续1.25S,使BQ进入SHUTDOWM模式,然后再通过TS2唤醒BQ芯片,持续200MS。发送0x0090进入配置模式。我发现有时候进入配置模式失败返回0xFFFF,我想知道为什么
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