Microchip EVB-USB3740 Manual

Microchip Ikke kategoriseret EVB-USB3740

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SMSC USB3740 EVB USER MANUAL Revision 1.1 (12-07-12)

Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information

sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed

for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office

to obtain the latest specifications before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor

devices any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms

and conditions of the most recently dated version of SMSC's standard Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement").

The product may contain design defects or errors known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly

sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product

failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further

testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be

obtained by visiting SMSC’s website at http://www.smsc.com. SMSC is a registered trademark of Standard Microsystems Corporation (“SMSC”). Product names and

company names are the trademarks of their respective holders.

The Microchip name and logo, and the Microchip logo are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.

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FORM OF ACTION, WHETHER BASED ON CONTRACT; TORT; NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR

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BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

USB3740 Evaluation Board User Manual

SMSC USB3740 EVB 2 Revision 1.1 (12-07-12)

USER MANUAL

1 Introduction

The USB3740 EVB demonstrates the capabilities of the USB3740. The board consists of the upstream

and downstream ports, manual switches to control the OE_N and S pins, and a second USB3740 that

can be evaluated with SMA connectors instead of USB (SMA connectors not installed).

2 Hardware

2.1 USB Ports

The USB ports are mounted on the edges of the USB3740 EVB. The downstream ports use the

standard USB Type A receptacle. The label for the port is located next to the receptacle. The upstream

port can be a standard USB Type B, mini-B or micro-B receptacle, the default connector is a USB mini-

B connector.

2.2 Test Points and Resistors

The USB3740 EVB provides access to the OE_N, S, VDD and GND pins. TP2 connects to GND, TP1

connects to the VDD pin. R1 (On the back of the PCB) connects the upstream VBUS to the VDD of

the USB3740. R2 and R3 connect the upstream VBUS to the VBUS pins of the dowstream ports. SW1

and SW2 control the operation of the switch. SW1 controls the Output Enable (OE_N) pin. To enable

the switch, OE_N should be set to 0. SW2 selects which downstream port is connected to the upstream

port.

Figure 2.1 Upstream and Downstream Ports

Upstream

Downstream1 Downstream2

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	EVB-USB3740

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