ISP1521 datasheet(2/53 Pages) PHILIPS

2 / 53 page

Philips Semiconductors

ISP1521

Hi-Speed USB hub controller

Product data

Rev. 03 — 24 November 2004

2 of 53

9397 750 13702

Features

s Complies with:

x Universal Serial Bus Speciﬁcation Rev. 2.0

x Advanced Conﬁguration and Power Interface (ACPI™), OnNow™ and USB

power management requirements

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

low-speed (1.5 Mbit/s)

s Self-powered capability

s USB suspend mode support

s Conﬁgurable number of ports

s Internal power-on reset and low voltage reset circuit

s Port status indicators

s Integrates high performance USB interface device with hub handler, Philips Serial

Interface Engine (SIE) and transceivers

s Built-in overcurrent detection circuit

s Individual or ganged power switching, individual or global overcurrent protection,

and non-removable port support by I/O pins conﬁguration

s Simple I2C-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

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

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

ElectroMagnetic Interference (EMI)

s Supports temperature range from

−40 °C to +70 °C

s Available in LQFP80 package.

Applications

s Monitor hubs

s Docking stations for notebooks

s Internal hub for USB motherboards

s Hub for extending Easy PCs

s Hub boxes.

ISP1521 Datasheet(PDF) 2 Page - NXP Semiconductors