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关于BQ34Z100设置外部5个LED电量指示的问题

Other Parts Discussed in Thread: BQ34Z100, SN74HC164

TI你好:

       我采用的芯片型号是BQ34Z100,通过外部SN74HC164和5个LED来指示剩余电量(电路是按照数据手册提供的电路,电路没有问题)。将LED COMM设置为43(这个43数字也是按照数据手册提供的设置),检测到的容量已经是100% 可是LED指示灯还是一个也不亮?这是怎么回事呢?