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bq28400中关于PRES管脚的使用

Other Parts Discussed in Thread: BQ28400

    最近看了bq28400,发现其有三种工作模式:正常、睡眠和关断模式。不过数据手册给出的工作电流却是正常、低功耗及关断模式,请问低功耗模式是否为睡眠模式?为了在睡眠模式和正常模式间进行切换,PRES信号该怎么处理,是由处理器控制PRES引脚电平实现切换吗?