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General description

The ISP1583 is a cost-optimized and feature-optimized Hi-Speed Universal Serial Bus (USB) peripheral controller. It fully complies with Ref. 1 “Universal Serial Bus Specification Rev. 2.0”, supporting data transfer at high-speed (480 Mbit/s) and full-speed (12 Mbit/s).

The ISP1583 provides high-speed USB communication capacity to systems based on microcontrollers or microprocessors. It communicates with a microcontroller or microprocessor of a system through a high-speed general-purpose parallel interface.

The ISP1583 supports automatic detection of Hi-Speed USB system operation. Original USB fall-back mode allows the device to remain operational under full-speed conditions. It is designed as a generic USB peripheral controller so that it can fit into all existing device classes, such as imaging class, mass storage devices, communication devices, printing devices and human interface devices.

The ISP1583 is a low-voltage device, which supports I/O pad voltages from 1.65 V to 3.6 V.

Features

■ Complies fully with:

? Ref. 1 “Universal Serial Bus Specification Rev. 2.0”

? Most device class specifications

? ACPI, OnNow and USB power management requirements

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

■ Direct interface to ATA/ATAPI peripherals; applicable only in split bus mode

■ High performance USB peripheral controller with integrated Serial Interface Engine (SIE), Parallel Interface Engine (PIE), FIFO memory and data transceiver

■ Automatic Hi-Speed USB mode detection and Original USB fall-back mode

■ Supports sharing mode

■ Supports I/O voltage range of 1.65 V to 3.6 V

■ Supports VBUS sensing

■ High-speed DMA interface

■ Configurable direct access data path from the microprocessor to an ATA device

■ Fully autonomous and multiconfiguration DMA operation

■ Seven IN endpoints, seven OUT endpoints, and a fixed control IN and OUT endpoint

■ Integrated physical 8 kB of multiconfiguration FIFO memory

■ Endpoints with double buffering to increase throughput and ease real-time data transfer

■ Bus-independent interface with most microcontrollers and microprocessors

■ 12 MHz crystal oscillator with integrated PLL for low EMI

■ Software-controlled connection to the USB bus (SoftConnect)

■ Low-power consumption in operation and power-down modes; suitable for use in bus-powered USB devices

■ Supports Session Request Protocol (SRP) that adheres to Ref. 2 “On-The-Go Supplement to the USB Specification Rev. 1.3”

■ Internal power-on and low-voltage reset circuits; also supports software reset

■ Operation over the extended USB bus voltage range (DP, DM and VBUS)

■ 5 V tolerant I/O pads

■ Operating temperature range from ?40 °C to +85 °C

■ Available in HVQFN64 and TFBGA64 halogen-free and lead-free packages

Applications

■ Personal digital assistant

■ Mass storage device, for example: CD, DVD, Magneto-Optical (MO) and Zip drives

■ Digital video camera

■ Digital still camera

■ 3G mobile phone

■ MP3 player

■ Communication device, for example: router and modem

■ Printer

■ Scanner