Texas Instruments TUSB1004EVM Manuale utente

User’s Guide

TUSB1004EVM User's Guide

ABSTRACT

The TUSB1004 is a 10 Gbps USB 3.2 quad channel linear redriver for USB Type-A applications. This

doducment goes over how to use and configure the TUSB1004EVM as well as recommendations for system

hardware implementation is described in this document. These recommendations are only guidelines and it is

the designer’s responsibility to consider all system characteristics and requirements. Engineers should refer to

the data sheet for technical details such as device operation, terminal description, and so forth.

Table of Contents

1 Overview..................................................................................................................................................................................2

1.1 What is the TUSB1004EVM?.............................................................................................................................................2

1.2 What is Included in the TUSB1004EVM?.......................................................................................................................... 2

1.3 What Does the EVM Look Like?........................................................................................................................................ 2

2 Hardware Configuration.........................................................................................................................................................3

2.1 Power................................................................................................................................................................................. 3

2.2 Configuration Jumpers....................................................................................................................................................... 3

2.3 CEQ Configuration............................................................................................................................................................. 5

2.4 SSEQ Configuration...........................................................................................................................................................5

2.5 Local I2C Access............................................................................................................................................................... 6

3 Quick Start Guide....................................................................................................................................................................7

4 Schematics..............................................................................................................................................................................8

Trademarks

All trademarks are the property of their respective owners.

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TUSB1004EVM User's Guide 1

1 Overview

1.1 What is the TUSB1004EVM?

The TUSB1004EVM is a PCB created to help for customers to evaluate the TUSB1004. The EVM has two

Mirco-B USB receptacles and a stacked dual port USB-A receptacle. The user of the EVM can insert a standard

Micro-B USB cable into the TUSB1004EVM board then conenct the cable to a motherboard or system. The user

can then insert an USB device directly or through an standard USB cable into the USB-A receptacle side of the

EVM board.

1.2 What is Included in the TUSB1004EVM?

The following are the major components of the EVM:

• TUSB1004 device

• Two Micro-B USB receptacle

• Dual Port USB-A receptacle

• Headers for configurating various TUSB1004 features.

1.3 What Does the EVM Look Like?

Figure 1-1. EVM Board

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2 Hardware Configuration

2.1 Power

The EVM board can be powered from either Micro-B VBUS pin or from an external power supply through the

barrel jack (J4). The EVM defaults to being powered from a Micro-B Receptacle VBUS (J3).

If powering the EVM from barrel jack, make sure R46 is unpopulated. When removed, a jumper will need to be

placed across JMP13 pins 1 and 2.

Note

Limit VBUS voltage and voltage from barrel jack to no more than 6 V.

2.2 Configuration Jumpers

Multiple jumpers are provided on the EVM for configuration of TUSB1004 and also for probe points.

Following is a list of 4-level jumpers which are used to configure the TUSB1004: JMP3, JMP4, JMP5, JMP6,

JMP7, JMP8, JMP9, and JMP10. The jumper position to select between the different levels is detailed in 4-Level

Configuration Jumper Settings Table.

Note

4-level pins are sampled on rising edge of the EN pin. Therefore, a change in any 4-level pin state will

not be applied until after the EN pin is toggled from low to high.

Table 2-1. 4-Level Configuration Jumper Settings

Jumper Position 4-Level State

Short 5 to 6 0

Short 3 to 4 R

Open F

Short 1 to 2 1

Table 2-2. Jumpers

Jumper Default Position Description

JMP1 Open TEST2/SCL.

If TUSB1004 is configured for I2C mode (MODE pin (JMP13) is floating), then this jumper

is the clock for the local I2C.

If TUSB1004 is configured for pin-strap mode, then Short 3 to 4.

JMP2 Short 3 to 4 AEQENZ/SDA.

If TUSB1004 is configured for I2C mode (MODE pin (JMP13) is floating), then this jumper

is the data for the local I2C.

If TUSB1004 is configured for pin-strap mode, then this jumper selects whether the AEQ

is enabled or not.

• Short 1 to 2: AEQ disabled.

• Short 3 to 4: AEQ enabled.

JMP3 Short 3 to 4 SSEQ1/A1.

If TUSB1004 is configured for I2C mode (MODE pin (JMP13) is floating), then this jumper

along with JMP6 will select the 7-bit I2C target address. Refer to theTUSB1004 data

sheet for details on the available I2C target address options.

If TUSB1004 is configured for pin-strap mode, then this jumper along with JMP6 selects

EQ settings for SSTX receivers. Refer to theTUSB1004 data sheet for details on the EQ

settings.

JMP4 Short 3 to 4 SSEQ0/A0.

If TUSB1004 is configured for I2C mode (MODE pin (JMP13) is floating), then this jumper

along with JMP5 will select the 7-bit I2C target address. Refer to theTUSB1004 data

sheet for details on the available I2C target address options.

If TUSB1004 is configured for pin-strap mode, then this jumper along with JMP5 selects

EQ settings for SSTX receivers. Refer to theTUSB1004 data sheet for details on the EQ

settings.

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TUSB1004EVM User's Guide 3

Table 2-2. Jumpers (continued)

Jumper Default Position Description

JMP5 Open EQCFG.

If TUSB1004 is configured for I2C mode (MODE pin (JMP13) is floating), then this jumper

must be left floating for normal operation.

If TUSB1004 is configured for pin-strap mode, then this jumper will select EQ options for

SSTX receivers and CRX receivers. Refer to theTUSB1004 data sheet for details.

JMP6 Open AEQCFG.

Selects upper limit for AEQ. Refer to theTUSB1004 data sheet for details.

JMP7 Open CEQ1.

If TUSB1004 is configured for pin-strap mode, then this jumper along with JMP10 selects

EQ settings for CRX receivers. Refer to theTUSB1004 data sheet for details on the EQ

settings.

JMP8 Open CEQ0.

If TUSB1004 is configured for pin-strap mode, then this jumper along with JMP10 selects

EQ settings for CRX receivers. Refer to theTUSB1004 data sheet for details on the EQ

settings.

JMP9 Open VIO_SEL.

Selects whether local I2C interface is at 1.8 V or 3.3 V signalling levels. The default is 3.3

V. Short pins 1 and 2 to select 1.8 V.

JMP10 Short 1 to 2 MODE.

Selects between pin-strap and I2C mode. The default is pin-strap mode.

• Short 1 to 2: Pin-strap mode

• Open: I2C mode.

JMP11 Open SLP_S0#.

JMP12 Open EN.

The EN will enable or disable the TUSB1004.

JMP13 Open Power for TUSB1004.

Selects whether TUSB1004 is powered from J1 VBUS, J3 VBUS or 5 V barrel jack. The

default is power from J3 USB VBUS. Shorting between position 1 and 2 will select the 5 V

barrel jack.

JMP14 Open The local I2C voltage pull-up option. The default is local I2C pull-ups are connected to

TUSB1004s 3.3 V VCC supply. Removing R47 allows for feeding external DC supply for

local I2C.

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2.3 CEQ Configuration

There are sixteen EQ settings with 0 being the lowest and Fh being the highest.

Table 2-3. USB Connector Facing Port Receiver (CRX1 and CRX2 pins) Equalization Control

CEQ2_SEL

Equalization Setting #

CEQ1 PIN Level CEQ0 PIN Level

EQ Gain at 5 GHz minus Gain

at 100 MHz

(dB)

0 0 0 Lowest EQ setting.

1 0 R

2 0 F

3 0 1

4 R 0

5 R R

6 R F

7 R 1

8 F 0

9 F R

10 F F

11 F 1

12 1 0

13 1 R

14 1 F

15 1 1 Highest EQ setting

2.4 SSEQ Configuration

There are sixteen EQ settings with 0 being the lowest and Fh being the highest.

Table 2-4. USB Host Facing Port Receiver (SSTX1 and SSTX2 pins) Equalization Control

Equalization Setting # SSEQ1 PIN LEVEL SSEQ0 PIN LEVEL

EQ Gain at 5 GHz minus

Gain at 100 MHz

(dB)

0 0 0 Lowest Setting

1 0 R

2 0 F

3 0 1

4 R 0

5 R R

6 R F

7 R 1

8 F 0

9 F R

10 F F

11 F 1

12 1 0

13 1 R

14 1 F

15 1 1 Highest Setting

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TUSB1004EVM User's Guide 5

2.5 Local I2C Access

Access to TUSB1004s local I2C signals is provided through the JMP1 and JMP2 connectors. The TUSB1004

supports either 1.8 V and 3.3 V LVCMOS levels. The TUSB1004 VIO_SEL pin (JMP9) is used to select which

voltage level is used. It is important that the I2C signalling levels meet the TUSB1004 LVCMOS levels when I2C

interface is accessed through the connector.

When the MODE pin (JMP10) is floating, TUSB1004 will be enabled for I2C mode. The TUSB1004 I2C target

address is determined by sampled state of SSEQ0/A0 (JMP3) and SSEQ1/A1 (JMP4).

A standalone external I2C host can be connected for debug and control purposes. An example of an external

I2C Host controller is the Total Phase Aardvark I2C/SPI Host Adapter (Total Phase Part#: TP240141).

Table 2-5. TUSB1004 I2C Target Address

SSEQ1/A1

PIN LEVEL

SSEQ0/A0

PIN LEVEL 7-bit Address Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

(W/R)

0 0 44h 1 0 0 0 1 0 0 0/1

0 R 45h 1 0 0 0 1 0 1 0/1

0 F 46h 1 0 0 0 1 1 0 0/1

0 1 47h 1 0 0 0 1 1 1 0/1

R 0 20h 0 1 0 0 0 0 0 0/1

R R 21h 0 1 0 0 0 0 1 0/1

R F 22h 0 1 0 0 0 1 0 0/1

R 1 23h 0 1 0 0 0 1 1 0/1

F 0 10h 0 0 1 0 0 0 0 0/1

F R 11h 0 0 1 0 0 0 1 0/1

F F 12h 0 0 1 0 0 1 0 0/1

F 1 13h 0 0 1 0 0 1 1 0/1

1 0 Ch 0 0 0 1 1 0 0 0/1

1 R Dh 0 0 0 1 1 0 1 0/1

1 F Eh 0 0 0 1 1 1 0 0/1

1 1 Fh 0 0 0 1 1 1 1 0/1

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3 Quick Start Guide

The following instructions assume the EVM is configured for pin-strap mode and is powered from J3 VBUS.

1. Insert a Micro-B USB cable into J3 on the EVM. Connect the other end of the USB cable to the motherboard.

2. Insert a USB device or USB cable into the lower USB-A receptable of the EVM.

3. The USB device should enumerate. If the USB device does not enumerate, then check that VBUS is at the

appropiate level at D1 pin 1.

4. Insert a Micro-B USB cable into either J1 on the EVM. Connect the other end of the USB cable to the

motherboard.

5. Insert a USB device or USB cable into the upper USB-A receptable of the EVM.

6. The USB device should enumerate. If the USB device does not enumerate, then check that VBUS is at the

appropiate level at D2 pin 1.

The following instructions assume the EVM is configured for the I2C mode and is powered from the barrel jack.

1. Insert +5 V DC power source into the barrel jack (J4).

2. Configure the TUSB1004 through the I2C interface (JMP1 and JMP2).

3. Insert a Micro-B USB cable into either J3 or J1 on the EVM. Connect the other end of the USB cable to the

motherboard.

4. Insert a USB device or USB cable into either USB-A receptable of the EVM. Be sure to connect that the USB

device/cable into the correposding USB-A receptacle (J3 = lower receptaclce, J1 = upper receptacle)

5. The USB device should enumerate. If the USB device does not enumerate, check that VBUS is at the

appropiate level at the correcpsoding USB-A receptacle, pin1 of D1 or D2.

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TUSB1004EVM User's Guide 7

4 Schematics

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TUSB1004EVM User's Guide 9

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