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TUSB8043A: Hub exception

Part Number: TUSB8043A
Other Parts Discussed in Thread: TUSB8043

通过TUSB8043A的数据手册来看,TUSB8043A是个4端口的hub,但是现在我们的设备却检测出5个端口。所以想问一下可能会是什么原因引起的?

 According to the data manual of TUSB8043A, TUSB8043A is a 4-port hub, but now our device has detected 5 ports. So I want to ask what might be the cause?