Microchip USB2502 Manual

Microchip Ikke kategoriseret USB2502

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SMSC EVB-USB2502 Revision 0.9 (06-26-07)

The information contained herein is proprietary to SMSC and shall be used solely in accordance with the agreement pursuant to which

it is provided. Although the information is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the

right to make changes to this document and to specifications and product descriptions at any time without notice. Neither the provision

of this information nor the sale of the described semiconductor devices conveys any licenses under any patent rights or other intellectual

property rights of SMSC or others unless specifically specified otherwise. The product may contain design defects or errors known as

anomalies, including but not necessarily limited to any which may be identified in this document, which may cause the product to deviate

from published specifications. 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 will be fully at the risk of the customer. SMSC is a registered trademark of Standard

Microsystems Corporation ("SMSC").

SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED

WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE,

AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE. IN NO EVENT SHALL SMSC BE

LIABLE FOR ANY DIRECT, INCIDENTAL, INDIRECT, SPECIAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES; OR FOR LOST DATA,

PROFITS, SAVINGS OR REV-ENUES OF ANY KIND; REGARDLESS OF THE FORM OF ACTION, WHETHER BASED ON CONTRACT; TORT;

NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY

OF BUYER IS HELD TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE

POSSIBILITY OF SUCH DAMAGES.

EVB-USB2502 Evaluation Board

Revision C

EVB-USB2502 Evaluation Board Revision C

Revision 0.9 (06-26-07) SMSC EVB-USB2502

1 Overview

EVB-USB2502 Revision C Evaluation Board for the SMSC USB2502 USB2.0 Compatible 2-port Hub.

1.1 Features

USB 2.0 high-speed support with two down-stream ports

Operates from a single voltage (+5.0V, regulated) 'wall wart' external power supply

Low Cost 2-Layer Design

Self or bus-powered operation

Overcurrent protection and port power switching (ganged mode)

Green LED port indicators

Single Onboard +3.3V Regulator

Optional ESD and EMI footprints are provided

Optional port power LED indicators

Optional serial EEPROM for configuration in a socket for easy programming

1.2 General Description

The EVB-USB2502 is a demonstration and evaluation platform featuring the USB2502 2-port USB2.0 Hub. It is

configured with strapping options without using an EEPROM. The EVB-USB2502 can operate in self-powered mode

when the external power supply is attached or in bus-powered mode when the external supply is detached or not

connected to the wall. Strapping options and configuration can be changed by moving strapping resistors to different

locations on the PCB. Footprints are available for optional features such as ESD protection, EMI filtering and LED

indicators. A socket is provided for an external EEPROM. Figure 1 shows the top level silk screen and copper layer.

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	USB2502

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