3. System Requirements
This hub can be attached to a computer that has a USB or Hi-Speed USB host installed, and
running any of these operating systems:
If this hub is plugged into a USB host controller, it will only work as a full-speed hub.
4. Power Supply Adapter Requirements
Regulated Output: 5.1V
Warning: If you are using the board version 02170-2, make sure that the power plug polarity is
(+) at the core and (-) at the outer shield.
5. Hub demo board Description
ISP1520 64-Pin TQFP Package
The ISP1520 has the following port configurations:
The downstream facing ports USB3 and USB4 can be disabled. By design, ports USB1 and USB2
cannot be disabled.
Table 5-1 shows the jumper setting versus port activation.
Table 5-1: Jumper Setting vs. Port Activation
± 5%, 2.5A.
One Hi-Speed USB and Original USB capable upstream facing port (USB0), and
Four Hi-Speed USB and Original USB capable downstream facing ports (USB1, USB2, USB3,
Rev. 04.00 — 11 May 2004
ISP1520 Hi-Speed USB Hub Demo Board
1, 2, 3, 4*
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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