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BQ25150手动开关

为实现长按钮(MR信号)4秒钟手动关机,配置 MRCTRL 寄存器的值为0x00,但没有任何效果,依然需要手按MR按钮10~14秒后才能关机。想了解应当如何配置内部的寄存器值,才能实现4秒手动关机。