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 3 of 53
9397 750 13702
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
4. Abbreviations
ACPI — Advanced Configuration and Power Interface
EMI — ElectroMagnetic Interference
ESD — ElectroStatic Discharge
NAK — Not AcKnowledge
PID — Packet IDentifier
PLL — phase-Locked Loop
SIE — Serial Interface Engine
TT — Transaction Translator
USB — Universal Serial Bus.
5. Ordering information
Table 1: Ordering information
Type number Package
Name Description Version
ISP1521BE LQFP80 plastic low profile quad flat package; 80 leads; body
12 × 12 × 1.4 mm
SOT315-1