Texas Instruments TUSB320 User manual

User's Guide

SLLU222B–June 2015–Revised October 2015

TUSB320 Evaluation Module

This document describes how to use TUSB320 evaluation module (EVM).

Contents

1 What is the TUSB320 EVM?............................................................................................... 2

2 TUSB320 EVM Features ................................................................................................... 3

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

2.2 VBUS................................................................................................................. 3

2.3 DIP Switch Setting.................................................................................................. 4

2.4 I2C.................................................................................................................... 4

2.5 LEDs.................................................................................................................. 4

3 TUSB320 EVM Configuration Examples ................................................................................. 5

3.1 UFP Operation ...................................................................................................... 5

3.2 DFP Operation ...................................................................................................... 6

3.3 DRP Operation...................................................................................................... 7

4 Schematics ................................................................................................................... 9

List of Figures

1 Example Configuration Using HD3SS2522 and TUSB320 EVMs..................................................... 5

2 Example Configuration Using Two TUSB320 EVMs.................................................................... 6

3 Example Configuration Using HD3SS2522 and TUSB320 EVMs..................................................... 7

4 Example Configuration Using Two TUSB320 EVMs.................................................................... 8

5 TUSB320 EVM Schematic.................................................................................................. 9

6 TUSB320 EVM Components ............................................................................................. 10

7 TUSB321 EVM Power..................................................................................................... 11

List of Tables

1 DIP Switch Modes of Operation ........................................................................................... 4

2 LEDs Debug Descriptions .................................................................................................. 4

3 TUSB320 UFP DIP Switch SW1 Settings ................................................................................ 5

4 TUSB320 DFP EVM DIP Switch SW1 Configuration ................................................................... 6

5 TUSB320 DRP EVM DIP Switch SW1.................................................................................... 7

6 TUSB320 DRP DIP Switch SW1 Configuration ......................................................................... 8

SLLU222B–June 2015–Revised October 2015 TUSB320 Evaluation Module

What is the TUSB320 EVM?

www.ti.com

1 What is the TUSB320 EVM?

The TUSB320 EVM is designed to evaluate TUSB320 devices. The EVM can be configured to operate in

DFP, UFP, or DRP mode via DIP switch selection and/or I2C control. All of the control inputs are also

selectable via DIP switch configuration. The TUSB320 devices can be used with legacy USB systems or

Type-C systems for evaluation purposes.

2TUSB320 Evaluation Module SLLU222B–June 2015–Revised October 2015

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TUSB320 EVM Features

2 TUSB320 EVM Features

The EVM can be configured to be used for the evaluation of DFP, UFP, or DRP Type-C implementation.

The EVM can also be configured to operate in I2C or GPIO mode. Default configuration is I2C.

This section describes features provided by the EVM to enable users to evaluate Type-C implementations

in different modes of operation.

2.1 Power

The EVM can be powered by USB VBUS or 5-V to 5.5-V DC IN through a power jack J5 (2 mm positive

tip, 6.5 mm negative outer shield). The VBUS can be provided via a legacy connection or Type-C

connection. When the EVM operates in DFP mode, the VBUS is provided through micro-AB connector J6,

if the board is connected to a USB host or VBUS source. When the EVM operates in UFP mode, the

VBUS is provided through Type-C connector J1, if the board is connected to a USB host or VBUS source

through a Type-C cable. The 5-V DC IN (J5) can also be used to supply power if a stand-alone operation

is desired without connecting to a USB VBUS power source. If D9 is installed on the board, do not

connect the EVM to a USB Host system through the micro-AB USB2 connector(J6) at the same time 5 V

is supplied through 5-V DC IN J5 or Type-C Connector J7. Due to diode/IR drop in the test setup, the

VBUS on the connector may be below the desired level. The board is designed to take up to 5.5 V

through DC_5V IN or TP5(PWRIN) header for test purposes.

Test loops and headers to power rails and GND are provided for test purposes. Some power rails can be

isolated from the main power supply by removing ferrite beads or passive components. Refer to the

schematics for power rail connection details. Do not supply external power through the test headers/loops

unless the power rail has been isolated from other power sources. In normal operation, power must be

provided through the USB connectors or DC power barrel only: J7, J6, or J5.

2.2 VBUS

2.2.1 VBUSOff time

To meet the VBUSOff time of 650 ms, remove the 10-µF capacitor C1 . Current limiting can be reduced to

3 A–3.5 A by changing the R30 value to 47 kΩ.

2.2.2 VBUS Min Level

VBUS, provided on J1 or J6 may be lower than 4.75 V. For bus-powered devices to be attached to the

EVM for test purposes, TI recommends using a 5.5-V external power supply through J5 or TP5.

SLLU222B–June 2015–Revised October 2015 TUSB320 Evaluation Module

TUSB320 EVM Features

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2.3 DIP Switch Setting

The DIP switch (SW1) is provided to configured the EVM in different modes of operation.

Table 1. DIP Switch Modes of Operation

Reference SW Control Default Description

Designator Function Switch Setting

SW1.1 EN# ON EN_N= High, if SW1.1 = OFF

EN_N = Low, if SW1.1 = ON

SW1.2 OUT2 OFF OUT2 = SCL with a pullup, if SW1.2 = OFF

OUT2 connected to LED, if SW1.2 = ON

SW1.3 OUT1 OFF OUT1 = SDA with a pullup, if SW1.2 = OFF

OUT2 connected to LED, if SW1.2 = ON

SW1.4 ADDR OFF For I2C mode of operation:

ADDR = High, if SW1.4 = OFF

ADDR = Low, if SW1.4 = ON

For GPIO mode of operation:

Remove R12 and SW1.4 = OFF

SW1.5 INT OFF INT = High, if SW1.5 = OFF

INT = OUT3, if SW1.5 = ON

SW1.6 320_VBUS OFF 320_VBUS = high/low or open if option resistors are populated.

Don’t care in normal operation.

SW1.7 PORT_H OFF PORT = Open, if SW1.7 = OFF

PORT = High, if SW1.7 = ON

SW1.8 PORT_L ON PORT = Open, if SW1.8 = OFF

PORT = Low, if SW1.8 = ON

2.4 I2C

The I2C bus can be accessed through a header: J1 or J2. 4.7-kΩpullups to 3.3 V are added on I2C SCL

and SDA. The ADDR pin can be pulled high or low through DIP SW configuration described in

Section 2.3,DIP Switch Setting. The ADDR pin determines the last bit of the TUSB320 I2C address to be

high or low. J1 is intended to match the Aardvark I2C programmer dongle pinout

2.5 LEDs

Several LEDs are provided for easier debug purposes.

Table 2. LEDs Debug Descriptions

Reference Designator LED Name Description

D1 OUT1 Valid only in GPIO mode. Illuminates if OUT1 pin driven low.

D2 OUT2 Valid only in GPIO mode. Illuminates if OUT2 pin driven low.

D3 OUT3 Valid only in GPIO mode. Illuminates if OUT3 pin driven low.

D4 320 ID Illuminates if the ID pin of TUSB320 is driven low.

D10 POWER Illuminates if 5-V power is available.

Note that the OUT1, OUT2, OUT3 LEDs are used in GPIO mode of operation. The DIP SW must be

configured accordingly to configure TUSB320 EVM in GPIO mode of operation. The LED may light up dim

even when OUT pins are not driven due to a pullup to 3.3 V.

4TUSB320 Evaluation Module SLLU222B–June 2015–Revised October 2015

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USB Host

Type C

Micro

USB

Type C

TUSB320 EVM

Micro

USB

USB Hub/Device

Configured as

UFP

Type-A to

micro-B

Cable

Micro AB to

Type-A

Receptacle

HD3SS2522 EVM

Configured as

DRP

www.ti.com

TUSB320 EVM Configuration Examples

3 TUSB320 EVM Configuration Examples

This section provides different configuration examples of the TUSB320 EVM: DRP, DFP or UFP operation.

The PORT pins and the I2C must be programmed for the corresponding mode of operation. No external 5-

V DC IN is needed unless the board is to operate standalone without any connections to the USB

upstream or downstream port.

3.1 UFP Operation

The board can be configured to operate in UFP mode using the PORT pin on the board or I2C register

setting. If the PORT pin is to be used, SW1.8 must be switched ON and the Mode_Select bits at addr0x0A

bit 5:4 must be set to 00b. The Mode_Select is 00b by default so there is no need to re-program unless it

has been reconfigured for other modes of operation.

Figure 1 describes an example configuration using HD3SS2522 and TUSB320 EVMs. The HD3SS2522 is

a TI’s DFP CC controller compliant to USB Type-C spec v1.1.

Figure 1. Example Configuration Using HD3SS2522 and TUSB320 EVMs

1. TUSB320 UFP: Configure the DIP switches as shown in Table 3.

Table 3. TUSB320 UFP DIP Switch SW1 Settings

Reference Designator SW Control Function Switch Setting

SW1.1 EN# ON

SW1.2 OUT2 OFF

SW1.3 OUT1 OFF

SW1.4 ADDR OFF

SW1.5 INT OFF

SW1.6 320_VBUS Don’t care

SW1.7 PORT_H OFF

SW1.8 PORT_L ON

2. Connect the HD3SS2522 EVM to a USB host.

3. Connect TUSB320 to the HD3SS2522 using a Type-C Cable. VBUS should be provided over the

Type-C cable connection. LED D10 should illuminate on the TUSB320 board. D3 and D4 should

illuminate on the HD3S2522 indicating an UFP connection. Please refer to the HD3SS2522 users

manual (SLLU215) for the details of the HD3SS2522 EVM operation.

4. USB devices plugged into the Micro AB USB receptacle(J6) of the TUSB320 UFP EVM should

enumerate at USB2 speed: HS, FS, or LS.

SLLU222B–June 2015–Revised October 2015 TUSB320 Evaluation Module

Type-A to

micro-B

Cable

USB Host

Type C

TUSB320 EVM

Micro

USB

Type C

TUSB320 EVM

Micro

USB

USB Hub/Device

Configured as

UFP

Micro AB to

Type A

Receptacle

Configured as

DFP

TUSB320 EVM Configuration Examples

www.ti.com

3.2 DFP Operation

The board can be configured to operate in DFP mode using the PORT pin on the board or I2C register

setting. If the PORT pin is to be used, the SW1.7 must be switched ON and the Mode_Select bits at

addr0x0A bit 5:4 must be set to 00b. The Mode_Select is 00b by default, so there is no need to reprogram

unless it has been reconfigured for other modes of operation.

Figure 2 describes an example configuration using two TUSB320 EVMs: one configured as DFP, the other

configured as UFP. Refer to Section 3.1 for TUSB320 UFP EVM configuration.

Figure 2. Example Configuration Using Two TUSB320 EVMs

1. Configure TUSB320 DFP EVM DIP switch SW1 as shown in Table 4.

Table 4. TUSB320 DFP EVM DIP Switch SW1

Configuration

Reference SW Control Function Switch Setting

Designator

SW1.1 EN# ON

SW1.2 OUT2 OFF

SW1.3 OUT1 OFF

SW1.4 ADDR OFF

SW1.5 INT OFF

SW1.6 320_VBUS Don’t care

SW1.7 PORT_H ON

SW1.8 PORT_L OFF

2. Connect TUSB320 DFP EVM to a legacy USB host using a Type-A to micro-B cable via micro-AB

connector (J5) provided on board. The LED D10 should illuminate by the VBUS provided by the legacy

USB host over the Type-A to micro-B cable connection.

3. Connect TUSB320 UFP EVM to the TUSB320 DFP EVM using a Type-C Cable. The TUSB320 UFP

EVM should be powered by VBUS provided over the Type-C cable connection. The LED D10 on the

TUSB320 UFP EVM should also light up. Upon the Type-C cable, attach to the TUSB320 DFP EVM,

D4 should light up indicating the ID pin has been driven low from the TUSB320.

4. USB device plugged into the micro-AB USB receptacle(J6) of the TUSB320 UFP EVM should

enumerate at USB2 speed: HS, FS, or LS.

6TUSB320 Evaluation Module SLLU222B–June 2015–Revised October 2015

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USB Host

Type C

TUSB320 EVM

Micro

USB

Type C

TUSB320 EVM

Micro

USB

USB Hub/Device

Configured as

UFP

Micro AB to

Type-A

Receptacle

Configured as

DRP

Type-A to

Micro-B

Cable

www.ti.com

TUSB320 EVM Configuration Examples

3.3 DRP Operation

The board can be configured to operate in DFP mode using the PORT pin on the board or I2C register

setting. If PORT pin is to be used, the SW1.7 must be switched ON and the Mode_Select bits at addr0x0A

bit 5:4 must be set to 00b. The Mode_Select is 00b by default, so there is no need to reprogram unless it

has been reconfigured for other modes of operation. It is important that both SW settings are in the OFF

position to have the PORT input to the TUSB320 open.

Figure 3 illustrates an example configuration using HD3SS2522 and TUSB320 EVMs. The HD3SS2522 is

TI’s DFP CC controller, compliant to USB Type-C spec v1.1.

Figure 3. Example Configuration Using HD3SS2522 and TUSB320 EVMs

1. Configure the TUSB320 DRP EVM DIP switch SW1 as shown in Table 5.

Table 5. TUSB320 DRP EVM DIP Switch SW1

Reference SW Control Function Switch Setting

Designator

SW1.1 EN# ON

SW1.2 OUT2 OFF

SW1.3 OUT1 OFF

SW1.4 ADDR OFF

SW1.5 INT OFF

SW1.6 320_VBUS Don’t care

SW1.7 PORT_H OFF

SW1.8 PORT_L OFF

2. Connect the HD3SS2522 EVM to a USB host.

3. Connect the TUSB320 to the HD3SS2522 using a Type-C cable. VBUS should be provided over the

Type-C cable connection. LED D10 should light up on the TUSB320 board. D3 and D4 should light up

on the HD3S2522 indicating an UFP connection. Please refer to HD3SS2522 users manual (SLLU215)

for details on the HD3SS2522 EVM operation.

4. USB devices plugged into the micro-AB USB receptacle(J6) of the TUSB320 UFP EVM should

enumerate at USB2 speed: HS, FS, or LS.

SLLU222B–June 2015–Revised October 2015 TUSB320 Evaluation Module

Type-A to

micro-B

Cable

USB Host

Type C

TUSB320 EVM

Micro

USB

Type C

TUSB320 EVM

Micro

USB

USB Hub/Device

Configured as

UFP

Micro AB

to Type-A

Receptacle

Configured as

DRP

TUSB320 EVM Configuration Examples

www.ti.com

Figure 4 describes an example configuration using two TUSB320 EVMs: one configured as DRP, the

other configured as UFP. Refer to Section 3.1 for TUSB320 UFP EVM configuration.

Figure 4. Example Configuration Using Two TUSB320 EVMs

1. Configure the TUSB320 DRP DIP switch SW1 as shown in Table 6.

Table 6. TUSB320 DRP DIP Switch SW1 Configuration

Reference SW Control Function Switch Setting

Designator

SW1.1 EN# ON

SW1.2 OUT2 OFF

SW1.3 OUT1 OFF

SW1.4 ADDR OFF

SW1.5 INT OFF

SW1.6 320_VBUS Don’t care

SW1.7 PORT_H OFF

SW1.8 PORT_L OFF

2. Connect the TUSB320 DRP EVM to a legacy USB host using a Type-A to micro-B cable via micro-AB

connector (J5) provided on the board. The LED D1, D2, and D3 should be lit up by the VBUS provided

by the legacy USB host over the Type-A to micro-B cable connection.

3. Connect the TUSB320 UFP EVM to the TUSB320 DFP EVM using a Type-C cable. The TUSB320

UFP EVM should be powered by VBUS provided over the Type-C cable connection. The LED D10 on

the TUSB320 UFP EVM should also light up. Upon the Type-C cable attach to the TUSB320 DFP

EVM, D4 should light up indicating the ID pin has been driven low from the TUSB320.

4. The USB device plugged into the micro-AB USB receptacle (J6) of the TUSB320 UFP EVM should

enumerate at USB2 speed: HS, FS, or LS.

NOTE: Two TUSB320 EVMs can be used for DRP to DRP connection. In this configuration, it is not

recommended to connect the EVM to legacy USB systems as the role cannot be predicted

until both sides enters the attach state. This configuration can be used for evaluation

purposes with 5 V provided via DC IN (J5) on both boards.

8TUSB320 Evaluation Module SLLU222B–June 2015–Revised October 2015

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CC1

CC2

TypeC_VBUS

VBUS SW

VBUS

CC1

CC2

Type C

Receptacle

micro AB

Receptacle

D+

D-

uAB_VBUS

DC_IN

DC IN

Test Header/

Switch

EN#

ADDR

PORT

OUT[1,2,3]

TUSB320

Vdd

VDD_320

PWR_IN

TPS63020

TPS25910

4.5V-5.5V

www.ti.com

Schematics

4 Schematics

Figure 5,Figure 6, and Figure 7 illustrate the TUSB320 EVM revision B schematics.

Figure 5. TUSB320 EVM Schematic

SLLU222B–June 2015–Revised October 2015 TUSB320 Evaluation Module

SilkScreen: I2C

SILKSCREENGND

GND

SILKSCREEN

SilkScreen: TestPoint

SilkScreen:

GND

SilkScreen:

SDA/OUT1

SCL/OUT2

INT/OUT3

CC1

CC2

32xID

EN_DIR

OUT1

SilkScreen:

OUT2SilkScreen:

OUT3SilkScreen:

32xIDSilkScreen:

NOTE: ALL DIFF PAIRS ARE

ROUTED 85 TO 90 OHMS

DIFFERENTIAL AND 50 OHMS

COMMON MODE. ALL OTHER

TRACES ARE 50 OHM.

LEDs

Test Header

microAB Receptacle

SilkScreen:

EN#

ADDR

OUT1

OUT2

OUT3

PORTH

PORTL

DIP Switches

Type C Connector

SilkScreen: CSBU1

CSBU2SilkScreen:

TypeC Connector Pin Mapping

DN2

VBUS

GND

SBU2

B12

B11

CC1

B10

DP1

GND

DN1

SSTXP1

VBUS

SBU1

SSTXN2

SSTXN1

SSTXP2

SSRXP1

SSRXP2

SSRXN1

SSRXN2

SSTXP1

SSTXP2

DP2

SSTXN1

SSTXN2

CC2

VBUS

GND

VBUS

A10

A11

SSRXP1

A12

SSRXN1

SSRXP2

SSRXN1

STUB on DP or DN

no greater than

3.5mm

Test

Purposes

Only

TUSB32x

Max Value 220uF

SilkScreen:

VDD VDD32x

SilkScreen:

CC1

SilkScreen:

CC2

NOTE: Place LP1, LP2, LP3, LP4 and LP5 5mm away from U1 socket outline

32xVBUS

SilkScreen:

GND

SilkScreen:

I2C

Recommended for ESD protection.

Not included in REVA version of the EVM

ADDR=L: DNI R10, Install R176

ADDR=H: Install R10, DNI R176

TUSB320 Default

R181 - DNI for TUSB321

32xVBUS

VBUS detection option for EN

SCL_OUT2

SDA_OUT1

USB2_P0

USB2_N0

CC1

CC2

SDA_OUT1

SCL_OUT2

OUT1

OUT1_RED

OUT2

OUT2_RED

OUT3

OUT3_RED

ID_RED 320_ID320_ID_D

PORT

PORT_L

PORT_H

SCL_OUT2

EN#_SW EN#_PD

SDA_OUT1

ADDR

INT_OUT3

OUT1

OUT3

320_VBUS_L

CC1

CC2

CSBU1

CSBU2

USB2_P0

USB2_N0

CSBU1

CSBU2

INT_OUT3

CC1

CC2

CC1_R

CC2_R

ADDR

SCL_OUT2

SDA_OUT1

PORT

320_VBUS

OUT2

GPIO_MD

320_ID

INT_OUT3

microAB_ID320_ID

USB2_P0

USB2_N0

CC2

CC1

CC2

CC1

USB2_P0

USB2_N0

320_VBUS

EN#_SW

EN#

microAB_ID

EN#

micAB_VBUS

VDD_320

TypeC_VBUS

VDD320_LPVDD_320 TypeC_VBUS

VDD_3P3V

TypeC_VBUS

320_ID pg3

R8 500R

200K

HEADER 7X2 0.1" thru-hole

D12

NC, RB751V-40

1 2

C14

NC, 10uF

LED Red 0805

C15

NC, 10uF

R38

NC, 100K

R13

4.7K

R178

R176

10uF J6

USB2_micAB_Recept

VBUS

D-

D+

GND

Shield1 6

Shield2 7

Shield3 8

Shield4 9

Shield5 10

Shield6 11

TP3

15-mil TEST PAD

R12

100K

R37

NC, 1M +/-1%

NC, 10uF

C12

NC, 1nF

C11

0.1uF

R182 1M +/-1%

TP4

15-mil TEST PAD

R14

100K

R181 0

R11

4.7K

R23 500R

R16 500R

SW1

8-POS 50-MIL SMT

TDA08H0SK1R

C&K (ITT-CANNON)

LP5

TP7

0.1" Test Post

R5 NC, 0

LP6

R20

4.7K

TUSB320

CC1

CC2

PORT 3

VBUS 4

ADDR

INT#/OUT3

SDA/OUT1

SCL/OUT2

8ID 9

GND

EN# 11

VDD 12

R18

TPD4E05U06

D1+

D1-

GND

D2+

D2-

5NC6 6

NC7 7

GND1 8

NC9 9

NC10 10

R10

100K

R6 1M +/-1%

FB1

220 @ 100MHZ

R40 0

TP8

0.1" Test Post

LP2

TP1

0.1" Test Post

Header 5x2 0.1" thru-hole

R35 0

USB_TypeC_Receptacle_Topmount

GND0 A1

SSTXP1 A2

SSTXN1 A3

VBUS1 A4

CC1 A5

DP1 A6

DN1 A7

SBU1 A8

VBUS2 A9

SSRXN2 A10

SSRXP2 A11

GND1 A12

GND2 B1

SSTXP2 B2

SSTXN2 B3

VBUS3 B4

CC2 B5

DP2 B6

DN2 B7

SBU2 B8

VBUS4 B9

SSRXN1 B10

SSRXP1 B11

GND3 B12

Shield1

G1 Shield2

G2 Shield3

G3 Shield4

G4 Shield5

G5 Shield6

LED Red 0805

LP3

R179

NC, 100K

TP2

0.1" Test Post

LP1

LP4

R36 0

R21 500R

R17

R177

LED Red 0805

Schematics

www.ti.com

Figure 6. TUSB320 EVM Components

10 TUSB320 Evaluation Module SLLU222B–June 2015–Revised October 2015

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