Philips ISP1521 Benutzerhandbuch
Philips Semiconductors
ISP1521
Hi-Speed USB hub controller
Product data
Rev. 03 — 24 November 2004
2 of 53
9397 750 13702
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
2.
Features
■
Complies with:
◆
Universal Serial Bus Specification Rev. 2.0
◆
Advanced Configuration and Power Interface (ACPI™), OnNow™ and USB
power management requirements
power management requirements
■
Supports data transfer at high-speed (480 Mbit/s), full-speed (12 Mbit/s) and
low-speed (1.5 Mbit/s)
low-speed (1.5 Mbit/s)
■
Self-powered capability
■
USB suspend mode support
■
Configurable number of ports
■
Internal power-on reset and low voltage reset circuit
■
Port status indicators
■
Integrates high performance USB interface device with hub handler, Philips Serial
Interface Engine (SIE) and transceivers
Interface Engine (SIE) and transceivers
■
Built-in overcurrent detection circuit
■
Individual or ganged power switching, individual or global overcurrent protection,
and non-removable port support by I/O pins configuration
and non-removable port support by I/O pins configuration
■
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
from a dedicated external EEPROM, or to allow the microcontroller to set up hub
descriptors
■
Visual USB traffic monitoring (GoodLink™) for the upstream facing port
■
Uses 12 MHz crystal oscillator with on-chip Phase-Locked Loop (PLL) for low
ElectroMagnetic Interference (EMI)
ElectroMagnetic Interference (EMI)
■
Supports temperature range from
−
40
°
C to +70
°
C
■
Available in LQFP80 package.
3.
Applications
■
Monitor hubs
■
Docking stations for notebooks
■
Internal hub for USB motherboards
■
Hub for extending Easy PCs
■
Hub boxes.