Texas Instruments TUSB7320 Bedienungsanleitung

TUSB7320/TUSB7340 EVM User's Guide

User's Guide

Literature Number: SLLU146C

May 2011–Revised May 2014

Contents

1 Introduction......................................................................................................................... 5

2 EVM Board.......................................................................................................................... 6

1 TUSB7320 and TUSB7340 DEMO Boards ................................................................................ 6

2 Hardware Setup ................................................................................................................... 8

2.1 Headers ................................................................................................................... 8

2.2 VBUS ...................................................................................................................... 8

2.3 PCI Express Slot Options............................................................................................... 8

3 Bringup............................................................................................................................... 9

4 WAKE Testing Setup .......................................................................................................... 10

5 SMI Support....................................................................................................................... 11

6 Schematics........................................................................................................................ 12

1 TUSB7320 DEMO EVM REVB Schematics.............................................................................. 13

2 TUSB7340 DEMO EVM REVB Schematics.............................................................................. 17

Appendix A Bill of Materials......................................................................................................... 21

Revision History.......................................................................................................................... 23

2Table of Contents SLLU146C–May 2011–Revised May 2014

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List of Figures

1 TUSB7320 DEMO EVM REVB ............................................................................................ 6

2 TUSB7340 DEMO EVM REVB ............................................................................................ 7

3 SMI via Location for TUSB7340 DEMO EVM REVB.................................................................. 11

List of Tables

1 TUSB7320 DEMO REVB BOM .......................................................................................... 21

2 TUSB7340 DEMO REVB BOM .......................................................................................... 22

SLLU146C–May 2011–Revised May 2014 List of Figures

This guide is intended to describe the necessary information needed to operate either the TUSB7320

DEMO EVM REVB or TUSB7340 DEMO EVM REVB boards. In this document you will find how to setup

and use the EVM boards. The schematics and bill of materials are also detailed at the end of the

document.

4List of Tables SLLU146C–May 2011–Revised May 2014

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SLLU146C–May 2011–Revised May 2014

Introduction

The TUSB7340 is a USB 3.0 xHCI 0.96 compliant host controller that supports up to four downstream

ports. The TUSB7320 supports up to two downstream ports. The TUSB73x0 interfaces to the host system

via a PCIe x1 Gen 2 interface and provides SuperSpeed, High-speed, Full-speed, or Low-speed

connections on the downstream USB ports.

SLLU146C–May 2011–Revised May 2014 Introduction

PORT1

PORT2 J2

J26J27

J22

J40

SLLU146C–May 2011–Revised May 2014

EVM Board

1 TUSB7320 and TUSB7340 DEMO Boards

The TUSB7320 and TUSB7340 DEMO boards are both PCI Express X1 Standard Height cards. The

dimensions of both boards are 4.376 inches by 2.571 inches. The two figures below depict how the boards

look.

Figure 1. TUSB7320 DEMO EVM REVB

6EVM Board SLLU146C–May 2011–Revised May 2014

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PORT3

PORT1

PORT2

PORT4

J26J27

J22

J40

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TUSB7320 and TUSB7340 DEMO Boards

Figure 2. TUSB7340 DEMO EVM REVB

SLLU146C–May 2011–Revised May 2014 EVM Board

Hardware Setup

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2 Hardware Setup

2.1 Headers

The EVM boards are populated with three headers: J22, J26, and J40.

J22 header is used to change the state of AUX_DET signal to the TUSB73XX. By default, this header is

not shorted and therefore AUX_DET will be high. If a jumper shunt is placed over J22, the AUX_DET will

be low.

The J26 header is used to route 5 V from the IDE Power Connector (J5) to the Texas Instruments

TPS2560 USB power switch. This header should always have a Jumper Shunt populated. For more

information on the Texas Instruments TPS2560, please visit www.ti.com.

J40 header is used to select the 3.3-V power source for the TUSB73X0. By default, a Jumper Shunt

should be populated across pins 1 and 2 of J40. When in this position, the 3.3-V power from the PCI

Express slot is routed to the TUSB73X0. If the Jumper Shunt is moved to pins 2 and 3, then the 3.3-V

VAUX power from the PCI Express slot is routed to the TUSB73X0. The Jumper Shunt should only be

moved to positions 2 and 3 if wake testing is required. Otherwise the jumper should be left in the default

position of 1 and 2.

NOTE: The 3.3-V VAUX power supply has a limited current capability. According to the PCI Express

Electromechanical Spec, the 3.3-V VAUX will have a maximum current of 375 mA. Because

of the limited current of 3.3-V VAUX, it is recommended to plug only one device into the

TUSB73X0. If the Jumper Shunt is left on pins 1 and 2 of J40, this current limitation does not

exist and therefore all ports of the TUSB73X0 can be used.

2.2 VBUS

VBUS for all of the USB ports comes from the IDE Power Connector (J5).

2.3 PCI Express Slot Options

Because the TUSB73X0 EVM boards are PCI Express X1, they can be used in any PCI Express Slot

(X1, X4, X8, or X16) on a typical motherboard. The boards can be used in either a PCI Express Gen1

(2.5 Gbps) or Gen2 (5 Gbps) slot. Because of the speed of USB3 (5 Gbps), if used in a PCI Express

Gen1 slot, the performance of the TUSB7320 or TUSB7340 will be negatively impacted. For this reason, it

is recommended to always insert the EVM board into a PCI Express Gen2 slot.

8EVM Board SLLU146C–May 2011–Revised May 2014

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SLLU146C–May 2011–Revised May 2014

Bringup

Below are the steps to bring up the EVM board in a typical system:

1. Remove the power plug from the PC power supply.

2. Make sure the Jumper Shunts are populated on J26 and J40.

3. Insert the EVM board into a PCI Express slot. It is recommended to use a PCI Express Gen2 slot if

one is available.

4. Insert an IDE Power Connector into J5 of the EVM board.

5. Insert the power plug into the PC power supply.

6. Turn the PC on. Once the PC is turned on, all of the green LEDs should be ON. If LED D5 is not

active, please check to make sure the jumper shunt on J40 is populated. If none of the green LEDs

(D1 thru D4) for each USB Port are active, please check to make sure the Jumper Shunt on J26 is

populated and an IDE Power connector is plugged into J5.

7. Once the PC has booted into Windows 7, you will need to install the TI xHCI driver. If the driver has

already been installed on your PC, then you can proceed step 8. Otherwise, you will need to install the

xHCI driver by running the TI xHCI driver setup utility.

8. You can now insert devices into the USB ports.

SLLU146C–May 2011–Revised May 2014 Bringup

SLLU146C–May 2011–Revised May 2014

WAKE Testing Setup

The EVM board can be used to test the WAKE functionality of the TUSB73X0. By default, the EVM is not

configured to support wake testing. Please configure the EVM according to the following if WAKE is

required:

1. Move the Jumper Shunt on J40 to pins 2 and 3.

2. Make sure there is no Jumper Shunt on J22.

3. Use a dedicated 5-V power supply for VBUS. Do NOT use the IDE Power connector provided from the

system power supply. The reason for not using the IDE power from system power supply is when the

system is put in a sleep or hibernate state, the power on the IDE Power connector will be turned off.

NOTE: For some motherboards, WAKE from a PCIe slot is not supported or is only supported on

PCIE X1 slots. Please make sure to use a motherboard that supports WAKE from any PCIe

slot.

10 WAKE Testing Setup SLLU146C–May 2011–Revised May 2014

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