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I have implemented a USB Hub with four USB 3.1 Gen / USB 2.0 ports using TUSB8044 however the downstream ports don’t work when the hub is connected to the host. What are the necessary steps to debug this issue?
Debugging USB Hubs can be a complex task sometimes requiring an extensive amount of time to debug. Listed below are some simple questions to ask when beginning debug on your design.
Note: This FAQ also can be used for TUSB4020BI, TUSB4041I, TUSB8020B, TUSB8041, TUSB8041A, TUSB8042 and TUSB8043.
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