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SMSC USB2503/USB2503A DATASHEET Revision 2.3 (08-27-07)
Datasheet
PRODUCT FEATURES
USB2503/
USB2503A
Integrated USB 2.0
Compatible 3-Port Hub
Integrated USB 2.0 Compatible 3-Port Hub
— 3 Transaction Translators for highest performance
— High-Speed (480Mbits/s), Full-Speed (12Mbits/s) and
Low-Speed (1.5Mbits/s) compatible
— Full power management with per port or ganged
,
selectable power control
— Detects Bus-Power/Self-Power source and changes
mode automatically
Complete USB Specification 2.0 Compatibility
— Includes USB 2.0 Transceivers
VID/PID/DID, and Port Configuration for Hub via:
— Single Serial I
2
C EEPROM
— SMBus Slave Port
Default VID/PID/DID, allows functionality when
configuration EEPROM is absent
Hardware Strapping options allow for configuration
without an external EEPROM or SMBus Host
On-Board 24MHz Crystal Driver Circuit or 24 MHz
external clock driver
Internal PLL for 480MHz USB 2.0 Sampling
Internal 1.8V Linear Voltage Regulator
Integrated USB termination and Pull-up/Pull-down
resistors
Internal Short Circuit protection of USB differential
signal pins
1.8 Volt Low Power Core Operation
3.3 Volt I/O with 5V Input Tolerance
48 Pin QFN lead-free RoHS compliant package
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Shrnutí obsahu

Strany 1 - Compatible 3-Port Hub

SMSC USB2503/USB2503A DATASHEET Revision 2.3 (08-27-07) DatasheetPRODUCT FEATURESUSB2503/USB2503A Integrated USB 2.0 Compatible 3-Port Hub Integrat

Strany 2

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 10 SMSC USB2503/USB2503ADATASHEET3-PORT USB 2.0 HUB INTERFACEHigh-Speed USB D

Strany 3 - Table of Contents

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 11 Revision 2.3 (08-27-07)DATASHEETPort Power Polarity strapping.PRTPWR_POL I/O

Strany 4 - List of Figures

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 12 SMSC USB2503/USB2503ADATASHEETCrystal Output XTAL2 OCLKx 24MHz CrystalThis

Strany 5 - List of Tables

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 13 Revision 2.3 (08-27-07)DATASHEETVDD3P3COREPLLVDD33CR +3.3V I/O and Core powe

Strany 6 - Chapter 1 General Description

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 14 SMSC USB2503/USB2503ADATASHEETChapter 5 Functional Block Description5.1 3-

Strany 7 - Chapter 2 Pin Table 3-Port

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 15 Revision 2.3 (08-27-07)DATASHEET5.1.1.5 Port IndicatorsControls the use of L

Strany 8 - (Top View QFN-48)

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 16 SMSC USB2503/USB2503ADATASHEETThis field is set by the OEM using either th

Strany 9 - UPSTREAM USB 2.0 INTERFACE

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 17 Revision 2.3 (08-27-07)DATASHEET5.1.1.20 Bus-Powered Hub Controller CurrentW

Strany 10 - DATASHEET

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 18 SMSC USB2503/USB2503ADATASHEET5.2.1.3 I2C EEPROM Slave AddressSlave addres

Strany 11

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 19 Revision 2.3 (08-27-07)DATASHEET5.2.3.1 EEPROM Offset 1:0(h) - Vendor ID5.2.

Strany 12 - Ω) capacitor to VSS

ORDER NUMBERS:USB2503/USB2503A-HZH FOR 48 PIN QFN LEAD-FREE ROHS COMPLIANT PACKAGEIntegrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27

Strany 13

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 20 SMSC USB2503/USB2503ADATASHEET5.2.3.5 EEPROM Offset 7(h) - CONFIG_BYTE_23

Strany 14 - 5.1 3-Port Hub

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 21 Revision 2.3 (08-27-07)DATASHEET5.2.3.6 EEPROM Offset 8(h) - Non-Removable D

Strany 15

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 22 SMSC USB2503/USB2503ADATASHEET5.2.3.9 EEPROM Offset B(h) - Max Power For S

Strany 16

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 23 Revision 2.3 (08-27-07)DATASHEET5.2.3.12 EEPROM Offset E(h) - Hub Controller

Strany 17 - 5.2 EEPROM Interface

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 24 SMSC USB2503/USB2503ADATASHEET5.3.1.1 Byte ProtocolsWhen using the Hub SMB

Strany 18 - 5.2.3 EEPROM DATA

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 25 Revision 2.3 (08-27-07)DATASHEET5.3.4 Slave Device Time-OutAccording to the

Strany 19

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 26 SMSC USB2503/USB2503ADATASHEET5.3.9.1 Register 00h: Status/Command (Reset

Strany 20

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 27 Revision 2.3 (08-27-07)DATASHEET5.3.9.3 Register 02h: Vendor ID (MSB) (Reset

Strany 21

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 28 SMSC USB2503/USB2503ADATASHEET5.3.9.9 Register 08h: Configuration Data Byt

Strany 22

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 29 Revision 2.3 (08-27-07)DATASHEET5.3.9.10 Register 09h: Non-Removable Device

Strany 23 - 5.3 SMBus Slave Interface

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 3 Revision 2.3 (08-27-07)DATASHEETTable of ContentsChapter 1 General Descriptio

Strany 24

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 30 SMSC USB2503/USB2503ADATASHEET5.3.9.14 Register 0Dh: Max Power For Bus Pow

Strany 25 - TIMEOUT, MAX

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 31 Revision 2.3 (08-27-07)DATASHEET5.3.9.17 Register 10h: Power-On Time (Reset

Strany 26

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 32 SMSC USB2503/USB2503ADATASHEETFigure 5.1 LED Strapping Option5.6 ResetTher

Strany 27

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 33 Revision 2.3 (08-27-07)DATASHEET5.6.1.1 RESET_N for Strapping Option Configu

Strany 28

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 34 SMSC USB2503/USB2503ADATASHEET5.6.1.2 RESET_N for EEPROM ConfigurationFigu

Strany 29

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 35 Revision 2.3 (08-27-07)DATASHEET5.6.1.3 RESET_N for SMBus Slave Configuratio

Strany 30

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 36 SMSC USB2503/USB2503ADATASHEET5. Moves device from suspended to active (if

Strany 31

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 37 Revision 2.3 (08-27-07)DATASHEETChapter 6 XNOR TestXNOR continuity tests all

Strany 32 - 5.6 Reset

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 38 SMSC USB2503/USB2503ADATASHEETChapter 7 DC Parameters7.1 Maximum Guarantee

Strany 33 - Datasheet

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 39 Revision 2.3 (08-27-07)DATASHEET7.2 Recommended Operating ConditionsPARAMETE

Strany 34

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 4 SMSC USB2503/USB2503ADATASHEETList of FiguresFigure 3.1 3-Port 48-Pin QFN .

Strany 35

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 40 SMSC USB2503/USB2503ADATASHEETICLK Input Buffer Low Input LevelHigh Input

Strany 36

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 41 Revision 2.3 (08-27-07)DATASHEETNotes:1. Output leakage is measured with the

Strany 37 - Chapter 6 XNOR Test

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 42 SMSC USB2503/USB2503ADATASHEETChapter 8 AC Specifications8.1 Oscillator/Cl

Strany 38 - Chapter 7 DC Parameters

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 43 SMSC USB2503/USB2503ADATASHEETChapter 9 Package OutlineFigure 9.1 48 Pin Q

Strany 39

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 5 Revision 2.3 (08-27-07)DATASHEETList of TablesTable 4.1 3-Port Hub Pin Descri

Strany 40

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 6 SMSC USB2503/USB2503ADATASHEETChapter 1 General DescriptionThe SMSC 3-Port

Strany 41

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 7 Revision 2.3 (08-27-07)DATASHEETChapter 2 Pin Table 3-PortTable 2.1 3-Port P

Strany 42 - Chapter 8 AC Specifications

Integrated USB 2.0 Compatible 3-Port HubDatasheetRevision 2.3 (08-27-07) 8 SMSC USB2503/USB2503ADATASHEETChapter 3 Pin Configuration 3-Port HubFigure

Strany 43 - Chapter 9 Package Outline

Integrated USB 2.0 Compatible 3-Port HubDatasheetSMSC USB2503/USB2503A 9 Revision 2.3 (08-27-07)DATASHEETChapter 4 3-Port Hub Block DiagramFigure 4.1

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