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bq40z80的CHG和DSG一直打不开,XCHG和XDSG一直都是红色的

想要用40z80弄一个7串电池的,配置了后看寄存器,XCHG和XDSG一直是红色的,发CHG_FET_TOGGLE和DSG_FET_TOGGLE没反应,怎么才能打开,还有怎么让XCHG和XDSG变绿啊??