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Introduction

The EZ-USB SX2™ USB interface device is designed to work with any external master, such as standard microprocessors, DSPs, ASICs, and FPGAs to enable USB 2.0 support for any peripheral design. SX2 has a built in USB transceiver and Seria Interface Engine (SIE), along with a command decoder for sending and receiving USB data. The controller has four endpoints that share a 4 KB FIFO space for maximum flexibility and throughput, and Control Endpoint 0. SX2 has three address pins and a selectable 8- or 16- bit data bus for command and data input or output.

特性 Features

■ USB 2.0-Certified Compliant

❐ On the USB-IF Integrators List: Test ID Number 40000713

■ Operates at High (480 Mbps) or Full (12 Mbps) Speed

■ Supports Control Endpoint 0:

❐ Used for handling USB device requests

■ Supports Four Configurable Endpoints that share a 4-KB FIFO Space

❐ Endpoints 2, 4, 6, 8 for application-specific control and data

■ Standard 8- or 16-bit External Master Interface

❐ Glueless interface to most standard microprocessors DSPs, ASICs, and FPGAs

❐ Synchronous or Asynchronous interface

■ Integrated Phase-locked Loop (PLL)

■ 3.3V Operation, 5V Tolerant I/Os

■ 56-pin SSOP and QFN Package

■ Complies with most Device Class Specifications

Applications

■ DSL modems

■ ATA interface

■ Memory card readers

■ Legacy conversion devices

■ Cameras

■ Scanners

■ Home PNA

■ Wireless LAN

■ MP3 players

■ Networking

■ Printers