Philips ISP1521 Benutzerhandbuch

9397 750 13702

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

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Complies with:

◆

Universal Serial Bus Specification Rev. 2.0

◆

Advanced Configuration and Power Interface (ACPI™), OnNow™ and USB
power management requirements

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Supports data transfer at high-speed (480 Mbit/s), full-speed (12 Mbit/s) and
low-speed (1.5 Mbit/s)

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Self-powered capability

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USB suspend mode support

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Configurable number of ports

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Internal power-on reset and low voltage reset circuit

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Port status indicators

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Integrates high performance USB interface device with hub handler, Philips Serial
Interface Engine (SIE) and transceivers

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Built-in overcurrent detection circuit

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Individual or ganged power switching, individual or global overcurrent protection,
and non-removable port support by I/O pins configuration

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Simple I

2

C-bus (master/slave) interface to read device descriptor parameters,

language ID, manufacturer ID, product ID, serial number ID and string descriptors
from a dedicated external EEPROM, or to allow the microcontroller to set up hub
descriptors

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Visual USB traffic monitoring (GoodLink™) for the upstream facing port

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Uses 12 MHz crystal oscillator with on-chip Phase-Locked Loop (PLL) for low
ElectroMagnetic Interference (EMI)

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Supports temperature range from

−

40

°

C to +70

°

C

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Available in LQFP80 package.

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Monitor hubs

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Docking stations for notebooks

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Internal hub for USB motherboards

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Hub for extending Easy PCs

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Hub boxes.