Microchip USB2502 Bedienungsanleitung


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SMSC EVB-USB2502 Revision 0.9 (06-26-07)
Copyright © 2006 SMSC or its subsidiaries. All rights reserved.
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it is provided. Although the information is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the
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EVB-USB2502 Evaluation Board
Revision C
EVB-USB2502 Evaluation Board Revision C
Revision 0.9 (06-26-07) SMSC EVB-USB2502
2
1 Overview
EVB-USB2502 Revision C Evaluation Board for the SMSC USB2502 USB2.0 Compatible 2-port Hub.
1.1 Features
îš„USB 2.0 high-speed support with two down-stream ports
îš„Operates from a single voltage (+5.0V, regulated) 'wall wart' external power supply
îš„Low Cost 2-Layer Design
îš„Self or bus-powered operation
îš„Overcurrent protection and port power switching (ganged mode)
îš„Green LED port indicators
îš„Single Onboard +3.3V Regulator
îš„Optional ESD and EMI footprints are provided
îš„Optional port power LED indicators
îš„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.
EVB-USB2502 Evaluation Board Revision C
SMSC EVB-USB2502 Revision 0.9 (06-26-07)
3
Figure 1 Top level silk screen and copper layer


Produktspezifikationen

Marke: Microchip
Kategorie: Nicht kategorisiert
Modell: USB2502

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