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TS3USB221EVM 产品设计参考手册 - TI（德州仪器）
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TI（德州仪器）
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开发套件
描述:
TEXAS INSTRUMENTS TS3USB221EVM 评估板, TS3USB221 USB接口
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TS3USB221EVM数据手册
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TS3USB221/A/E EVM
TS3USB221/A/E
www.ti.com
Introduction
2 Introduction
The TS3USB221/A/E EVM is an evaluation module for the Texas Instruments (TI) 1:2
multiplexer/demultiplexer high-bandwidth USB switches. It is specially designed for high-speed USB 2.0
signals, supports bidirectional signaling, and offers high-bandwidth (1.1 GHz). When interfacing other USB
devices with this EVM, the switch allows signals to pass with minimum edge and phase distortion as well
as little or no signal attenuation.
This evaluation module is designed to demonstrate the small printed circuit board (PCB) areas that can be
achieved when designing with the TS3USB221/A/E USB switches. It is powered from the 5-V rail of the
USB input. Additionally, the TS3USB221/A/E provides an output enable input and an output select input
for flexible configuration of the USB. See Figure 1 for the EVM block diagram.
Figure 1. TS3USB221/A/E EVM Block Diagram
2.1 List of Hardware Items for Operation
The following items are required for EVM evaluation:
• The TS3USB221/A/E EVM
• USB cables with connector type depending on the surrounding system
The following items are optional for EVM evaluation:
• USB type A or type B connectors to change connectors J1 through J5 for optimal system interface
configuration
• IBM compatible PC with USB 2.0 ports for quick start evaluation
3
SCDU001A–July 2009–Revised October 2009 TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer
Switch Evaluation Module
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Copyright © 2009, Texas Instruments Incorporated
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