Philips Semiconductors
UM10014_4
ISP1520 Hi-Speed USB Hub Demo Board
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
User manual Rev. 04.00 — 11 May 2004 4 of 18
Contents
1. Introduction...............................................................................................................................................................................5
2. ISP1520 Hub demo board Features......................................................................................................................................5
3. System Requirements...............................................................................................................................................................6
4. Power Supply Adapter Requirements..................................................................................................................................6
5. Hub demo board Description................................................................................................................................................6
5.1. ISP1520 64-Pin TQFP Package......................................................................................................................................6
5.2. GoodLink Indicator.........................................................................................................................................................7
5.3. Port Power Switch Transistors.....................................................................................................................................7
5.4. Overcurrent Circuit Detection....................................................................................................................................7
5.5. Power Supply....................................................................................................................................................................8
5.6. I
2
C-Bus Interface..............................................................................................................................................................9
6. Schematics................................................................................................................................................................................10
7. Installing the Board.................................................................................................................................................................17
8. Bill of Materials for the ISP1520 Hub demo board..........................................................................................................18
9. References................................................................................................................................................................................18
GoodLink and I
2
C-Bus are trademarks of Koninklijke Philips Electronics N.V. Microsoft is a registered trademark of
Microsoft Corp. The names of actual companies and products mentioned herein may be the trademarks of their
respective owners. All other names, products, and trademarks are the property of their respective owners.
(2 pages)
(84 pages)
(162 pages)
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