2 quick start – Texas Instruments TS3USB221 User Manual
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TS3USB221/A/E EVM
TS3USB221/A/E
Introduction
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2.2
Quick Start
Figure 2. Quick Start Evaluation
1. Connect the PC to the USB connector J3 through a USB cable.
2. Make sure the 3.3-V LDO output is enabled by opening J8 without a jumper.
3. Make sure the TS3USB221/A/E IC is enabled by shunting J7 with a jumper.
4. Connect two USB downstream devices (for example, mouse, keyboard, USB memory stick, etc) to J4
and J5 on the EVM.
5. To select USB downstream device 1 connected to J4, make sure J6 is shunted with a jumper. To
select USB downstream device 2 connected to J5, make sure J6 is open without a jumper.
6. Connector J1 and J2 are connected together without a USB switch. This through-path can serve as a
reference to compare with the TS3USB221/A/E path.
4
TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer
SCDU001A – July 2009 – Revised October 2009
Switch Evaluation Module
Copyright © 2009, Texas Instruments Incorporated