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8x931HA USB Customer Hub

Advance Information Datasheet

Product Features

The Intel 8x931HA USB Customer Hub (CHUB) is a hardware reference design for the USB 
system designer.

The Intel 8x931HA USB CHUB incorporates a fully functional Intel 8x931HA USB Peripheral 
Controller. The CHUB has undergone the same level of testing required of a commercial USB 
Hub product, such as USB PlugFest compliance and Intel System Integration and Validation 
testing.

Intel 8x931HA USB Peripheral Controller

8x931HA USB Hub has One Internal 
Downstream, and Four External 
Downstream Ports

USB Hub

— Connectivity Management

— Downstream Device Connect/

Disconnect Detection

— Power Management, Including Suspend 

and Resume

— Bus Fault Detection and Recovery

— Full and Low Speed Downstream 

Device Support

Hardware Reference Design

— Status LED

— Self/Bus Power Switch Options

— Reset Switch

— Internal Program Memory Option

— Uses High Side Power Switch for USB 

Power Management

—provides current limiting

—provides thermal shutdown

—500mA minimum continous load 

current per channel

Order Number: 273141-003

June 1998

 This document contains information on products in the sampling and initial production phases of 
development. The specifications are subject to change without notice. Verify with your local Intel 
sales office that you have the latest datasheet before finalizing a design. 

Содержание 8x931HA

Страница 1: ...Hub Connectivity Management Downstream Device Connect Disconnect Detection Power Management Including Suspend and Resume Bus Fault Detection and Recovery Full and Low Speed Downstream Device Support...

Страница 2: ...product descriptions at any time without notice Designers must not rely on the absence or characteristics of any features or instructions marked reserved or undefined Intel reserves these for future...

Страница 3: ...pping 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 Spec...

Страница 4: ......

Страница 5: ...l com design usb manuals A variety of product information is available at http developer intel com design usb USB software support can be found at http developer intel com design usb swsup Intel 8x931...

Страница 6: ...user The CHUB device will have a label on the bottom resembling Figure 3 Table 3 describes the device connections and their specific types A4601 01 Port0 Upstream Port2 Port3 12 MHz Clock 8x931 Hx Int...

Страница 7: ...5 0 V 2 Switch S1 Double pole double throw n a UPSTREAM J3 Type B USB connector Port 2 J4 Type A USB connector Self 500mA Bus 100mA Port 3 J4 Type A USB connector Self 500mA Bus 100mA Port 4 J2 Type A...

Страница 8: ...from either internal or external memory 3 3 Internal Program Memory Option Intel s 8x931HA USB Peripheral hub controller comes preprogrammed with an internal ROM code which enumerates and configures...

Страница 9: ...ovide a starting point to IHVs for development of their products Users of the CHUB are responsible for all designs they may create with the CHUB Some trade offs should be noted which were made to inco...

Страница 10: ...with a 5V 5 power supply but will not have the allocated voltage drop budget allowed Any power supply used should have the ability to provide a minimum of 2 Amps continuous current The USB system des...

Страница 11: ...ncasing Figure 5 gives the device dimensions and connector orientations Figure 4 Top and Bottom View of CHUB Encasing Figure 5 Device Dimensions A4543 01 Bottom portion of case Top portion of case A45...

Страница 12: ...containing the USB connectors Once this side of the PCB is out of the Bottom portion of the encasing the user can lift the PCB out at a 25 angle Be careful of the placement of the toggle switch in res...

Страница 13: ...ble contains the bill of materials used in building the CHUB Reference the specific manufacturer s datasheet for specifications Intel does not recommend or endorse any suppliers The inclusion of this...

Страница 14: ...JMP3POS JMP3 90726 103 not populated 15 5 JW3 JW4 JW6 JW7 JW8 shunt 68786 102 Low profile 2 pin shunt clip 16 1 J1 CON2 RAPC 722 Phihong PSA 183 supply mate R A PCB mount 17 2 J4 J2 USB_A_Stacked 7876...

Страница 15: ...USB Customer Hub 6 0 Schematics This section displays schematics for the 8x931HA CHUB board These schematics are also on the diskette s provided with this kit These schematics may also be downloaded v...

Страница 16: ...Y1 12 MHz 1 2 JW1 shunt C5 1uF 1 2 U2X SOCKET68 RP1 22 ohm 1 2 3 4 5 6 7 8 RP5 22 ohm 1 2 3 4 5 6 7 8 RP2 15k ohm 1 2 3 4 5 6 7 8 9 10 JW1 1 2 3 4 5 6 RP3 22 ohm 1 2 3 4 5 6 7 8 U1 27C256 JW2 shunt C8...

Страница 17: ...V DGND P5V DGND P5V DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND C4 10uF 1 2 C14 0 1uF 1 2 C17 100 uF 1 2 C15 100 uF 1 2 J4 USB_A_Stacked B1 B2 B3 B4 T 1 T 2 T 3 T 4 R1 1 5k ohm 1 2 J2 USB_A_Stac...

Страница 18: ......

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