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SLLSEE5C – FEBRUARY 2013 – REVISED DECEMBER 2014 TUSB8040A1 Four-Port USB 3.0 Hub
1 Device Overview
1.1 Features 1 USB 3.0 Compliant Hub, TID #330000037
– Upstream Port Supports SuperSpeed USB,
High-Speed and Full-Speed Connections
– Supports Four Downstream Ports
– Each of the Four Downstream Ports Support
SuperSpeed USB, High-Speed, Full-Speed, or
Low-Speed Connections USB 2.0 Hub Features
– Multiple Transaction Translator (MTT) Hub: Four
Transaction Translators, One Per Port
– Four Asynchronous Endpoint Buffers Per
Transaction Translator (TT) for Better
Throughput Than the USB-Required Minimum of
Two Buffers Per TT Supports Battery Charging Applications
– Battery Charging 1.2 Charging Downstream Port
(CDP) When Upstream Port is Connected …