Texas Instruments TUSB9260 Manuale utente

TUSB9260 DEMO Board Guide

User's Guide

Literature Number: SLLU131B

July 2010–Revised February 2011

2SLLU131B–July 2010–Revised February 2011

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1 TUSB9260 DEMO Board Block Diagram ................................................................................. 5

2 Component Location ........................................................................................................... 6

3 12-V DC Jack ...................................................................................................................... 7

4 Cable Power vs. Self Power .................................................................................................. 8

5 Power Switch ...................................................................................................................... 9

6 3.3-V, 1.8-V, and 1.1-V Regulator ......................................................................................... 10

1 Push Button Reset ............................................................................................................. 10

7 SPI ................................................................................................................................... 11

8 Crystal or Oscillator Support .............................................................................................. 12

9 GPIOs/LEDs/PBUTTON ....................................................................................................... 13

1 GPIO LEDs ....................................................................................................................... 13

2 PWM LEDs ........................................................................................................................ 13

3 GPIO Push Button ............................................................................................................. 13

10 Default GPIO/PWM Configures States .................................................................................. 14

11 Troubleshooting Tips for Windows ...................................................................................... 15

1 Step 1 .............................................................................................................................. 16

2 Step 2 .............................................................................................................................. 16

12 TUSB9260 DEMO Board Schematic ..................................................................................... 18

SLLU131B–July 2010–Revised February 2011 Table of Contents

www.ti.com

List of Figures

1 Figure 1. DEMO Board Block Diagram .................................................................................. 5

2 Figure 2. Component Location............................................................................................ 6

3 Windows Troubleshooting................................................................................................ 15

4 Disk Management ......................................................................................................... 16

5 Primary Partition........................................................................................................... 16

6 Healthy Disk Status ....................................................................................................... 17

7 Drive in Windows Explorer ............................................................................................... 17

List of Tables

1 Table 1. Frequency Select Map ......................................................................................... 12

2 Table 2. GPIO and PWM Factory Default Settings ................................................................... 14

3 Link Power Status......................................................................................................... 14

4List of Figures SLLU131B–July 2010–Revised February 2011

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SLLU131B–July 2010–Revised February 2011

TUSB9260 DEMO Board Block Diagram

Figure 1 represents the block diagram of the TUSB9260 DEMO Board. The board is designed to be

powered from either a 12-V DC wall-wart (not supplied) or via USB cable power.

Figure 1. Figure 1. DEMO Board Block Diagram

SLLU131B–July 2010–Revised February 2011 TUSB9260 DEMO Board Block Diagram

SLLU131B–July 2010–Revised February 2011

Component Location

Figure 2 shows the general location of major components on the TUSB9260 DEMO Board.

Figure 2. Figure 2. Component Location

6Component Location SLLU131B–July 2010–Revised February 2011

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SLLU131B–July 2010–Revised February 2011

12-V DC Jack

The DEMO Board can operate from a standard DC jack for connecting an external 12-V wall-wart. The

wall-wart should be rated for 12 V with at least a 2-A current rating. The tip of the DC jack has positive

polarity. A wall-wart is not supplied with this reference design demonstration module, leaving it capable of

bus power mode by default. In this mode, only Solid State Drives will work. If other higher current hard

drives are to be used a wall-wart will have to be used.

SLLU131B–July 2010–Revised February 2011 12-V DC Jack

SLLU131B–July 2010–Revised February 2011

Cable Power vs. Self Power

The DEMO Board can be configured to operate off of cable power or use the 12-V wall-wart. To configure

the board to use cable power jumper J4 must have a jumper placed across pins 1 and 2. When configured

for cable power mode only 5-V and 3.3-V are available at the SATA connector. Therefore only SATA

devices such as SSD drives may operate in this mode.

For self power mode J4 must have a jumper placed across pins 2 and 3. In this mode any SATA device

can operate since 12 V, 5 V, and 3.3 V are available at the SATA connector.

8Cable Power vs. Self Power SLLU131B–July 2010–Revised February 2011

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SLLU131B–July 2010–Revised February 2011

Power Switch

The DEMO Baord uses a TI TPS2561 power switch. This switch serves two purposes. It limits the amount

of in-rush current on VBUS and it allows power to the SATA connector to be switched via the TUSB9260.

The switch is controlled via GPIO10 from the TUSB9260 and power faults can be monitored by GPIO11.

By default the DEMO Board is configured to always apply power to the SATA connector and power faults

are not monitored.

SLLU131B–July 2010–Revised February 2011 Power Switch

SLLU131B–July 2010–Revised February 2011

3.3-V, 1.8-V, and 1.1-V Regulator

The DEMO Board utilizes a TI TPS650061 regulator to power the TUSB9260 and associated circuitry.

1 Push Button Reset

Connected to the TPS650061 is a push button (SW2) that can be used to reset the TUSB9260 to its

default state. When pressed the global reset terminal (GRST#) on the TUSB9260 will be driven low.

10 3.3-V, 1.8-V, and 1.1-V Regulator SLLU131B–July 2010–Revised February 2011

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