ISP1521BE-S ST-Ericsson Inc, ISP1521BE-S Datasheet - Page 55
ISP1521BE-S
Manufacturer Part Number
ISP1521BE-S
Description
IC USB HUB CONTROLLER HS 80-LQFP
Manufacturer
ST-Ericsson Inc
Datasheet
1.ISP1521BE-S.pdf
(56 pages)
Specifications of ISP1521BE-S
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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.
Hi-Speed USB hub controller
ISP1521
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