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TUSB8044A: questions about operation

Part Number: TUSB8044A

Hi:)

I have some questions about the TUSB8044A.

Q1: Is there any programming required for normal/simple USB-Hub operation? If yes, is there any software for this?

Q2: Would there be any issues if all 4 USB-ports are permanently connected, also at startup?

Q3: If only USB2.0 is needed, can USB3.x connections be left floating/unconnected? (SSTXP_DN, SSTXM_DN, etc.)

Thanks!