isp1521 NXP Semiconductors, isp1521 Datasheet - Page 2

• Manufacturer Part Number: isp1521
• Description: Hi-speed Universal Serial Bus Hub Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2. Features
3. Applications
4. Ordering information
Table 1.
ISP1521_4
Product data sheet
Type number
ISP1521BE
Ordering information
Package
Name
LQFP80
Complies with:
Supports data transfer at high-speed (480 Mbit/s), full-speed (12 Mbit/s) and
low-speed (1.5 Mbit/s)
Self-powered capability
USB suspend mode support
Configurable number of ports
Internal Power-On Reset (POR) and low voltage reset circuit
Port status indicators
Integrates high performance USB interface device with hub handler, Philips Serial
Interface Engine (SIE) and transceivers
Built-in overcurrent detection circuit
Individual or ganged power switching, individual or global overcurrent protection, and
nonremovable port support by I/O pins configuration
Simple I
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
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)
Supports temperature range from 40 C to +70 C
Available in LQFP80 package
Monitor hubs
Docking stations for notebooks
Internal hub for USB motherboards
Hub for extending Easy PCs
Hub boxes
Description
plastic low profile quad flat package; 80 leads; body 12
Universal Serial Bus Specification Rev. 2.0
Advanced Configuration and Power Interface (ACPI), OnNow and USB power
management requirements
2
C-bus (master or slave) interface to read device descriptor parameters,
Rev. 04 — 30 March 2006
12
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Hi-Speed USB hub controller
1.4 mm
ISP1521
Version
SOT315-1
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