Switch User Manual
Table Of Contents
- 1. General description
- 2. Features
- 3. Applications
- 4. Abbreviations
- 5. Ordering information
- 6. Block diagram
- 7. Pinning information
- 8. Functional description
- 9. Configuration selections
- 10. Hub controller description
- 11. Descriptors
- 12. Hub requests
- 13. Limiting values
- 14. Recommended operating conditions
- 15. Static characteristics
- 16. Dynamic characteristics
- 17. Application information
- 18. Test information
- 19. Package outline
- 20. Soldering
- 21. Revision history
- 22. Data sheet status
- 23. Definitions
- 24. Disclaimers
- 25. Licenses
- 26. Trademarks
Philips Semiconductors
ISP1521
Hi-Speed USB hub controller
Product data Rev. 03 — 24 November 2004 23 of 53
9397 750 13702
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1] If this string descriptor is not supported, this bLength field must be programmed with the value 02H.
[2] If this string descriptor is not supported, this bDescriptorType field must be used (programmed with
any value, for example, 03H).
[3] String descriptor index (iManufacturer) starts from the address 0EH for one language ID support and
10H for two languages ID support.
EA EB - FF FF
EC ED - FF FF
EE EF - FF FF
F0 F1 - FF FF
F2 F3 - FF FF
F4 F5 - FF FF
F6 F7 - FF FF
F8 F9 - FF FF
FA FB - FF FF
FC FD - FF FF
FE - FF
FF - FF upper boundary of all string descriptors
Table 12: ROM or EEPROM detailed map
…continued
Address
(hex)
Content Default
(hex)
Example
(hex)
Comment