ISP1521BE ST-Ericsson Inc, ISP1521BE Datasheet - Page 55

• Manufacturer Part Number: ISP1521BE
• Description: IC USB HUB CONTROLLER HS 80-LQFP
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1521BE

• 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: 568-1170; ISP1521BE,557

Philips Semiconductors
26. 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
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
Fig 18. Adjusting analog overcurrent detection limit
Fig 19. Self-powered hub; individual port power
Fig 20. Self-powered hub; ganged port power
Fig 21. High-speed transmitter and receiver test
Fig 22. Full-speed test circuit . . . . . . . . . . . . . . . . . . . . . .46
Fig 23. Package outline SOT315-1 (LQFP80) . . . . . . . . .47
ISP1521_4
Product data sheet
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . .4
Power-on reset timing . . . . . . . . . . . . . . . . . . . . .11
External clock with respect to power-on reset . . .11
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
Configurable hub descriptors . . . . . . . . . . . . . . . .17
ROM or EEPROM map . . . . . . . . . . . . . . . . . . . .18
Overcurrent trip response timing . . . . . . . . . . . . .37
skew and EOP width . . . . . . . . . . . . . . . . . . . . . .40
application diagram . . . . . . . . . . . . . . . . . . . . . . .43
(optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
switching; individual overcurrent detection. . . . . .44
switching; global overcurrent detection . . . . . . . .45
circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
2
C-bus timing . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Rev. 04 — 30 March 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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