SMSC USB2502 Manual do Utilizador Página 1

SMSC USB2502 DATASHEET Revision 2.3 (08-27-07) DatasheetPRODUCT FEATURESUSB2502 2-Port USB 2.0 Hub Controller Integrated USB 2.0 Compatible 2-Port

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 10 SMSC USB2502DATASHEETFigure 3.2 2-Port 48-Pin TQFP9''&5966;7$/;7$/

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 11 Revision 2.3 (08-27-07)DATASHEETChapter 4 2-Port Hub Block DiagramFigure 4.1 2-Port Block Diagra

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 12 SMSC USB2502DATASHEET2-PORT USB 2.0 HUB INTERFACEHigh-Speed USB DataUSBDN[2:1]USBDP[2

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 13 Revision 2.3 (08-27-07)DATASHEETSERIAL PORT INTERFACESerial Data/SMB DataSDA/SMBDATA IOSD12 (Ser

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 14 SMSC USB2502DATASHEETAnalog Test&Internal 1.8V voltage regulator enableATEST/REG_

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 15 Revision 2.3 (08-27-07)DATASHEETIOSD12 Open drain….12mA sink with Schmitt trigger, and must meet

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 16 SMSC USB2502DATASHEETChapter 5 Functional Block Description5.1 2-Port HubSMSC’s USB 2

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 17 Revision 2.3 (08-27-07)DATASHEET5.1.1.5 High-Speed DisableAllows an OEM to force the Hub to conf

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 18 SMSC USB2502DATASHEETWhen Dynamic Power switching is enabled, the Hub detects the ava

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 19 Revision 2.3 (08-27-07)DATASHEET5.2 EEPROM InterfaceThe SMSC Hub can be configured via a 2-wire

ORDER NUMBERS:USB2502-AEZG FOR 36 PIN LEAD-FREE ROHS COMPLIANT QFN PACKAGE; USB2502-HT FOR 48 PIN LEAD-FREE ROHS COMPLIANT TQFP PACKAGE2-Port USB 2.0

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 20 SMSC USB2502DATASHEET5.2.3.1 EEPROM Offset 1:0(h) - Vendor ID5.2.3.2 EEPROM Offset 3:

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 21 Revision 2.3 (08-27-07)DATASHEET5.2.3.3 EEPROM Offset 5:4(h) - Device ID5.2.3.4 EEPROM Offset 6(

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 22 SMSC USB2502DATASHEET5.2.3.6 EEPROM Offset 8(h) - Non-Removable Device5.2.3.7 EEPROM

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 23 Revision 2.3 (08-27-07)DATASHEET5.2.3.9 EEPROM Offset B(h) - Max Power For Self Powered Operatio

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 24 SMSC USB2502DATASHEET5.2.3.12 EEPROM Offset E(h) - Hub Controller Max Current For Bus

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 25 Revision 2.3 (08-27-07)DATASHEET5.3.1.1 Byte ProtocolsWhen using the Hub SMBus Interface for byt

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 26 SMSC USB2502DATASHEET5.3.4 Slave Device Time-OutAccording to the SMBus Specification,

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 27 Revision 2.3 (08-27-07)DATASHEET5.3.9.1 Register 00h: Status/Command (Reset = 0x00)5.3.9.2 Regis

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 28 SMSC USB2502DATASHEET5.3.9.3 Register 02h: Vendor ID (MSB) (Reset = 0x00)5.3.9.4 Regi

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 29 Revision 2.3 (08-27-07)DATASHEET5.3.9.9 Register 08h: Configuration Data Byte 2 (Reset = 0x00)5

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 3 Revision 2.3 (08-27-07)DATASHEETTable of ContentsChapter 1 General Description. . . . . . . . . .

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 30 SMSC USB2502DATASHEET5.3.9.10 Register 09h: Non-Removable Device (Reset = 0x00)5.3.9.

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 31 Revision 2.3 (08-27-07)DATASHEET5.3.9.14 Register 0Dh: Max Power For Bus Powered Operation (Rese

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 32 SMSC USB2502DATASHEET5.3.9.19 Reserved RegistersUnless otherwise instructed, only a ‘

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 33 Revision 2.3 (08-27-07)DATASHEET5.6.1 External Hardware RESET_NA valid hardware reset is defined

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 34 SMSC USB2502DATASHEETNotes: When in Bus-Powered mode, the Hub and its associated cir

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 35 Revision 2.3 (08-27-07)DATASHEET All Power Supplies must have reached the operating levels mand

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 36 SMSC USB2502DATASHEET5.6.2 USB Bus ResetIn response to the upstream port signaling a

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 37 Revision 2.3 (08-27-07)DATASHEETChapter 6 XNOR TestXNOR continuity tests all signal pins on the

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 38 SMSC USB2502DATASHEETChapter 7 DC Parameters7.1 Maximum Guaranteed RatingsNote: Stres

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 39 Revision 2.3 (08-27-07)DATASHEET7.2 Recommended Operating ConditionsPARAMETER SYMBOL MIN MAX UNI

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 4 SMSC USB2502DATASHEETList of TablesTable 2.1 2-Port Pin Table for 36-QFN . . . . . . .

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 40 SMSC USB2502DATASHEETICLK Input Buffer Low Input LevelHigh Input Level Input LeakageH

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 41 Revision 2.3 (08-27-07)DATASHEETNotes:1. Output leakage is measured with the current pins in hig

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 42 SMSC USB2502DATASHEETChapter 8 AC Specifications8.1 Oscillator/ClockCrystal: Parallel

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 43 SMSC USB2502DATASHEETChapter 9 Package OutlinesFigure 9.1 36 Pin QFN Package-SEE SPE

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 44 SMSC USB2502DATASHEETFigure 9.2 48 Pin TQFP Package Outline (7x7x1.4 mm body, 2mm Foo

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 5 Revision 2.3 (08-27-07)DATASHEETList of FiguresFigure 3.1 2-Port 36-Pin QFN . . . . . . . . . . .

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 6 SMSC USB2502DATASHEETChapter 1 General DescriptionThe SMSC 2-Port Hub is fully complia

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 7 Revision 2.3 (08-27-07)DATASHEETChapter 2 Pin Table 2-PortTable 2.1 2-Port Pin Table for 36-QFNUP

2-Port USB 2.0 Hub ControllerDatasheetRevision 2.3 (08-27-07) 8 SMSC USB2502DATASHEETTable 2.2 2-Port Pin Table for 48-TQFPUPSTREAM USB 2.0 INTERFACE

2-Port USB 2.0 Hub ControllerDatasheetSMSC USB2502 9 Revision 2.3 (08-27-07)DATASHEETChapter 3 Pin Configuration 2-Port HubFigure 3.1 2-Port 36-Pin QF