ISP1521BEUM ST-Ericsson Inc, ISP1521BEUM Datasheet - Page 51

• Manufacturer Part Number: ISP1521BEUM
• Description: IC USB HUB CONTROLLER HS 80-LQFP
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1521BEUM

• Controller Type: USB Hub
• Interface: I²C
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Other names: 568-1884-2; ISP1521BE,518; ISP1521BE-T

23. Figures
Fig 1.
Fig 2.
Fig 3.
Fig 4.
Fig 5.
Fig 6.
Fig 7.
Fig 8.
Fig 9.
Fig 10. Source differential data jitter . . . . . . . . . . . . . . . .39
Fig 11. Source differential data-to-EOP transition skew and
Fig 12. Receiver differential data jitter . . . . . . . . . . . . . . .40
Fig 13. Receiver SE0 width tolerance . . . . . . . . . . . . . . .40
Fig 14. Hub differential data delay and SOP distortion . .41
Fig 15. Hub EOP delay and EOP skew . . . . . . . . . . . . . .41
Fig 16. I
Fig 17. Descriptors configuration selection application
Fig 18. Adjusting analog overcurrent detection limit
Fig 19. Self-powered hub; individual port power switching;
Fig 20. Self-powered hub; ganged port power switching;
Fig 21. High-speed transmitter and receiver test circuit. .46
Fig 22. Full-speed test circuit . . . . . . . . . . . . . . . . . . . . . .46
Fig 23. Package outline SOT315-1 (LQFP80) . . . . . . . . .47
CD00222695
Product data sheet
Typical voltage drop components in self-powered
mode using individual overcurrent detection . . . .14
Typical voltage drop components in self-powered
mode using global overcurrent detection . . . . . . .14
Overcurrent trip response timing . . . . . . . . . . . . .37
EOP width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
(optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
individual overcurrent detection . . . . . . . . . . . . . .44
global overcurrent detection . . . . . . . . . . . . . . . .45
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . .4
Power-on reset timing . . . . . . . . . . . . . . . . . . . . . 11
External clock with respect to power-on reset . . . 11
Configurable hub descriptors . . . . . . . . . . . . . . . .17
ROM or EEPROM map . . . . . . . . . . . . . . . . . . . .18
2
C-bus timing . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Rev. 07 — 4 February 2010
Hi-Speed USB hub controller
© ST-ERICSSON 2010. All rights reserved.
ISP1521
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