ISP1520 Overview
The ISP1520 is a stand-alone Universal Serial Bus (USB) hub controller IC that plies with Universal Serial Bus Specification Rev. It supports data transfer at high-speed (480 Mbit/s), full-speed (12 Mbit/s) and low-speed (1.5 Mbit/s). The upstream facing port can be connected to a Hi-Speed USB host or hub or to an Original USB host or hub.