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bq76PL455设置寄存器DEV_CTRL的PWRDN位为1使芯片关断后,给WAKEUP 引脚大于100us的高电平不能将其唤醒



bq76PL455设置寄存器DEV_CTRL的PWRDN位为1使芯片关断后,给WAKEUP 引脚大于100us的高电平不能将其唤醒,请问是怎么回事