ISP1581
Hi-Speed USB peripheral controller
Philips Semiconductors
2. Features
■ Direct interface to ATA/ATAPI peripherals; applicable only in the split bus mode
■ Complies fully with Universal Serial Bus Specification Rev. 2.0
■ Complies with most Device Class specifications
■ High performance USB peripheral controller with integrated Serial Interface
Engine (SIE), PIE, FIFO memory, data transceiver and 3.3 V voltage regulators
■ Supports automatic Hi-Speed USB mode detection and Original USB fall-back
mode
■ High-speed DMA interface (12.8 Mword/s)
■ Fully autonomous and multi-configuration DMA operation
■ 7 IN endpoints, 7 OUT endpoints and a fixed control IN/OUT endpoint
■ Integrated physical 8 kbyte of multi-configuration FIFO memory
■ Endpoints with double buffering to increase throughput and ease real-time data
transfer
■ Bus independent interface with most microcontroller/microprocessors
(12.5 Mbyte/s)
■ 12 MHz crystal oscillator with integrated PLL for low EMI
■ Integrated 5 V-to-3 V built-in voltage regulator
■ Software controlled connection to the USB bus (SoftConnect™)
■ Complies with the ACPI™, OnNow™ and USB power management requirements
■ Internal power-on and low-voltage reset circuit, also supporting a software reset
■ Operation over the extended USB bus voltage range (4.0 to 5.5 V) with 5 V
tolerant I/O pads
■ Operating temperature range −40 to +85 °C
■ Available in LQFP64 package.
3. Applications
■ Personal Digital Assistant (PDA)
■ Mass storage device, for example: Zip®, Jaz®, MO, CD, DVD drive
■ Digital Video Camera
■ Digital Still Camera
■ 3G mobile phone
■ MP3 player
■ Communication device, for example: router, modem
■ Printer
■ Scanner.
4. Ordering information
Table 1:
Ordering information
Type number
Package
Name
Description
Version
ISP1581BD
LQFP64
plastic low profile quad flat package; 64 leads; body 10 x 10 x 1.4 mm
SOT314-2
9397 750 13462
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data
Rev. 06 — 23 December 2004
2 of 79
NXP [ NXP ]
