
Advance Information Datasheet 3
8x931HA USB Customer Hub
Contents
1.0 Introduction..................................................................................................................5
2.0 Board Connector Interface.....................................................................................6
3.0 Functional Description.............................................................................................8
3.1 Self/Bus-Powered Operation.................................................................................8
3.2 Status LED............................................................................................................8
3.3 Internal Program Memory Option..........................................................................8
3.4 External EPROM Enabling or Disabling................................................................8
3.5 Firmware ...............................................................................................................9
3.6 Design Notes.........................................................................................................9
3.6.1 Suspend Current......................................................................................9
3.6.2 Input Power Specification.......................................................................10
3.6.3 Overcurrent Tripping ..............................................................................10
4.0 Mechanical Data .......................................................................................................11
4.1 Module Dimensions.............................................................................................11
4.2 Plastic Encasing Removal and Assembly Procedures........................................12
4.2.1 Plastic Encasing Removal......................................................................12
4.2.2 Plastic Encasing Assembly ....................................................................12
4.3 Component Specifications...................................................................................12
5.0 Bill of Materials .........................................................................................................13
6.0 Schematics.................................................................................................................15
Figures 1 Intel 8x931HA USB Customer HUB Block Diagram..............................................6
2 Top View of CHUB................................................................................................6
3 Bottom Label for CHUB Device.............................................................................7
4 Top and Bottom View of CHUB Encasing...........................................................11
5 Device Dimensions..............................................................................................11
Tables 1 Electronic Information............................................................................................5
2 Related Documents...............................................................................................5
3 CHUB Connectors.................................................................................................7
4 JW2 Jumper Settings ............................................................................................8
5 JW1 Jumper Settings ............................................................................................8
6 Bill of Materials (CHUB Rev. D) ..........................................................................14