Texas Instruments TUSB320-LA-EVM User manual

1
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TUSB320-LA-EVM and TUSB320-HA-EVM
User's Guide
SLLU235A–January 2016–Revised November 2018
TUSB320-LA-EVM and TUSB320-HA-EVM
This document describes how to use TUSB320-LA-EVM and TUSB320-HA-EVM evaluation modules.
Throughout this document, TUSB320-xA-EVM,evaluation modules, and EVM are used to identify the
TUSB320-LA-EVM and TUSB320-HA-EVM.
Contents
1 What is the TUSB320-LA-EVM and TUSB320-HA-EVM?.............................................................. 2
2 TUSB320-LA-EVM and TUSB320-HA-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-LA-EVM and TUSB320-HA-EVM Configuration Examples................................................ 5
3.1 UFP Operation ...................................................................................................... 5
3.2 DFP Operation ...................................................................................................... 6
3.3 DRP Operation...................................................................................................... 7
4 EVM Schematics............................................................................................................. 9
4.1 TUSB320-LA-EVM Schematics................................................................................... 9
4.2 TUSB320-HA-EVM Schematics................................................................................. 12
List of Figures
1 Example Configuration Using HD3SS2522 and TUSB320-xA-EVMs ................................................ 5
2 Example Configuration Using Two TUSB320-xA-EVMs................................................................ 6
3 Example Configuration Using HD3SS2522 and TUSB320-xA-EVMs ................................................ 7
4 Example Configuration Using Two TUSB320-xA-EVMs................................................................ 8
5 TUSB320-LA-EVM Schematic ............................................................................................. 9
6 TUSB320-LA-EVM Components......................................................................................... 10
7 TUSB320-LA-EVM Power................................................................................................. 11
8 TUSB320-HA-EVM Schematic ........................................................................................... 12
9 TUSB320-HA-EVM Components ........................................................................................ 13
10 TUSB320-HA-EVM Power ................................................................................................ 14
List of Tables
1 DIP Switch Modes of Operation ........................................................................................... 4
2 LEDs Debug Descriptions .................................................................................................. 4
3 TUSB320LA/HA UFP DIP Switch SW1 Settings ........................................................................ 5
4 TUSB320LA/HA DFP EVM DIP Switch SW1 Configuration ........................................................... 6
5 TUSB320LA/HA DRP EVM DIP Switch SW1............................................................................ 7
6 TUSB320LA/HA DRP DIP Switch SW1 Configuration.................................................................. 8
Trademarks
All trademarks are the property of their respective owners.

5 V DC IN
Type-C
Connector
uAB USB2
Connector
TUSB320-LA-EVM
TUSB320
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TUSB320-LA-EVM and TUSB320-HA-EVM
1 What is the TUSB320-LA-EVM and TUSB320-HA-EVM?
The EVM is designed to evaluate TUSB320LA/HA 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 TUSB320LA/HA devices can be used with legacy USB
systems or Type-C systems for evaluation purposes.

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TUSB320-LA-EVM and TUSB320-HA-EVM
2 TUSB320-LA-EVM and TUSB320-HA-EVM Features
The EVM can be configured 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 EVM features enabling 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. 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.
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.
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.

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TUSB320-LA-EVM and TUSB320-HA-EVM
2.3 DIP Switch Setting
The DIP switch (SW1) is provided to configure the EVM in different modes of operation.
Table 1. DIP Switch Modes of Operation
Reference
Designator SW Control Function Default Switch Setting Description
SW1.1 EN# for TUSB320LA
EN for TUSB320HA ON for TUSB320LA OFF for TUSB320HA EN# or EN = High, if SW1.1 = OFF EN# or EN = 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 TUSB320LA/HA 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 TUSB320LA/HA 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 the TUSB320-LA-EVM/TUSB320-HA-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.

USB Host
Type C
USB
Type C
Micro
USB
USB Hub/Device
Configured as
UFP
Type-A to
micro-B
Cable
Micro AB to
Type-A
Receptacle
HD3SS2522 EVM TUSB320-xA-EVM
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3 TUSB320-LA-EVM and TUSB320-HA-EVM Configuration Examples
This section provides different configuration examples of the TUSB320-LA-EVM and TUSB320-HA-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-xA-EVM. The HD3SS2522
is a TI DFP CC controller, compliant to USB Type-C spec v1.1.
Figure 1. Example Configuration Using HD3SS2522 and TUSB320-xA-EVMs
1. TUSB320LA/HA UFP: Configure the DIP switches as shown in Table 3.
Table 3. TUSB320LA/HA UFP DIP Switch SW1 Settings
Reference Designator SW Control Function Switch Setting
SW1.1 EN#/EN ON for TUSB320LA
OFF for TUSB320HA
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 TUSB320LA/HA to the HD3SS2522 using a Type-C Cable. VBUS should be provided over
the Type-C cable connection. LED D10 should illuminate on the TUSB320LA/HA board. D3 and D4
should illuminate on the HD3S2522 indicating an UFP connection. 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 TUSB320LA/HA UFP EVM should
enumerate at USB2 speed: HS, FS, or LS.

Type-A to
micro-B
Cable
USB Host
Type C
TUSB320-xA-EVM
Micro
USB
Type C
TUSB320-xA-EVM
Micro
USB
USB Hub/Device
Configured as
UFP
Micro AB to
Type A
Receptacle
Configured as
DFP
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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 used, 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-xA-EVMs: one configured as DFP, the
other configured as UFP. Refer to Section 3.1 for TUSB320LA/HA UFP EVM configuration.
Figure 2. Example Configuration Using Two TUSB320-xA-EVMs
1. Configure TUSB320LA/HA DFP EVM DIP switch SW1 as shown in Table 4.
Table 4. TUSB320LA/HA DFP EVM DIP Switch SW1
Configuration
Reference
Designator SW Control Function Switch Setting
SW1.1 EN#/EN ON for TUSB320LA
OFF for TUSB320HA
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 TUSB320LA/HA 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 TUSB320LA/HA UFP EVM to the TUSB320LA/HA DFP EVM using a Type-C Cable. The
TUSB320LA/HA UFP EVM should be powered by VBUS provided over the Type-C cable connection.
The LED D10 on the TUSB320LA/HA UFP EVM should also light up. Upon the Type-C cable, attach to
the TUSB320LA/HA DFP EVM, D4 should light up indicating the ID pin has been driven low from the
TUSB320LA/HA.
4. The USB device plugged into the micro-AB USB receptacle (J6) of the TUSB320LA/HA UFP EVM
should enumerate at USB2 speed: HS, FS, or LS.

USB Host
Type C
USB
Type C
Micro
USB
USB Hub/Device
Configured as
DRP
Micro AB to
Type-A
Receptacle
HD3SS2522 EVM TUSB320-xA-EVM
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TUSB320-LA-EVM and TUSB320-HA-EVM
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 the PORT pin is used, 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 TUSB320LA/HA open.
Figure 3 illustrates an example configuration using HD3SS2522 and TUSB320-xA-EVMs. The
HD3SS2522 is a TI DFP CC controller, compliant to USB Type-C spec v1.1.
Figure 3. Example Configuration Using HD3SS2522 and TUSB320-xA-EVMs
1. Configure the TUSB320LA/HA DRP EVM DIP switch SW1 as shown in Table 5.
Table 5. TUSB320LA/HA DRP EVM DIP Switch SW1
Reference
Designator SW Control Function Switch Setting
SW1.1 EN#/EN ON for TUSB320LA
OFF for TUSB320HA
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 TUSB320LA/HA 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 TUSB320LA/HA board. D3 and D4
should light up on the HD3S2522 indicating an UFP connection. Refer to the HD3SS2522 users
manual (SLLU215) for details on the HD3SS2522 EVM operation.
4. The USB devices plugged into the micro-AB USB receptacle (J6) of the TUSB320LA/HA UFP EVM
should enumerate at USB2 speed: HS, FS, or LS.

Type-A to
micro-B
Cable
USB Host
Type C
Micro
USB
Type C
Micro
USB
USB Hub/Device
Configured as
UFP
Micro AB
to Type-A
Receptacle
Configured as
DRP
TUSB320-xA-EVM TUSB320-xA-EVM
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Figure 4 describes an example configuration using two TUSB320-xA-EVMs: one configured as DRP, the
other configured as UFP. Refer to Section 3.1 for TUSB320LA/HA UFP EVM configuration.
Figure 4. Example Configuration Using Two TUSB320-xA-EVMs
1. Configure the TUSB320LA/HA DRP DIP switch SW1 as shown in Table 6.
Table 6. TUSB320LA/HA DRP DIP Switch SW1
Configuration
Reference
Designator SW Control Function Switch Setting
SW1.1 EN#/EN ON for TUSB320LA
OFF for TUSB320HA
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 TUSB320LA/HA 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 LEDs 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 TUSB320LA/HA UFP EVM to the TUSB320LA/HA DFP EVM using a Type-C cable. The
TUSB320LA/HA UFP EVM should be powered by VBUS provided over the Type-C cable connection.
The LED D10 on the TUSB320LA/HA UFP EVM should also light up. Upon the Type-C cable attached
to the TUSB320LA/HA DFP EVM, D4 should light up indicating the ID pin has been driven low from the
TUSB320LA/HA.
4. The USB device plugged into the micro-AB USB receptacle (J6) of the TUSB320LA/HA UFP EVM
should enumerate at USB2 speed: HS, FS, or LS.
NOTE: Two TUSB320-xA-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 enter the attach state. This configuration can be used for
evaluation purposes with 5 V provided via DC IN (J5) on both boards. One of the
TUSB320HA EVMs can be configured to be a preferred SRC or SNK by enabling the
TRY.SRC or TRY.SNK feature via I2C access. Refer to the device datasheet for details on
how to enable this feature.

CC1
CC2
TypeC_VBUS
VBUS SW
ID
VBUS_DET
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]
TUSB320LA
Vdd
VDD_320
VDD_320
PWR_IN
PWR_IN
TPS63020
TPS25910
4.5V-5.5V
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TUSB320-LA-EVM and TUSB320-HA-EVM
4 EVM Schematics
4.1 TUSB320-LA-EVM Schematics
Figure 5,Figure 6, and Figure 7 illustrate the TUSB320-LA-EVM revision B schematics.
Figure 5. TUSB320-LA-EVM Schematic

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
CSBU2
SilkScreen:
TypeC Connector Pin Mapping
B8
B7
B6
B5
B4
B3
B2
B1
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
A1
A2
A3
A4
A5
A6
A7
A8
A9
GND
VBUS
A10
A11
SSRXP1
A12
SSRXN1
SSRXP2
SSRXN1
B9
STUB on DP or DN
no greater than
3.5mm
Test
Purposes
Only
TUSB320HA
Max Value 220uF
SilkScreen:
VDD VDD32x
SilkScreen:
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.
ADDR=L: DNI R10, Install R176
ADDR=H: Install R10, DNI R176
TUSB320HA Default
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_ID
320_ID
USB2_P0
USB2_N0
CC2
CC1
CC2
CC1
USB2_P0
USB2_N0
320_VBUS
EN#_SW
EN#
microAB_ID
EN#
EN#
micAB_VBUS
VDD_320
VDD_320
VDD_320
VDD_320
VDD_320
VDD_320
VDD_320
TypeC_VBUS
VDD320_LPVDD_320 TypeC_VBUS
VDD_3P3V
TypeC_VBUS
320_ID pg3
R8 500R
R9
200K
J2
HEADER 7X2 0.1" thru-hole
2
4
6
8
10
12
14
1
3
5
7
9
11
13
D12
NC, RB751V-40
1 2
C14
NC, 10uF
D4
LED Red 0805
D1
LED Red 0805
R3
NC
C15
NC, 10uF
R38
NC, 100K
R13
4.7K
R178
NC
R176
NC
C2
10uF J6
USB2_micAB_Recept
VBUS
1
D-
2
D+
3
ID
4
GND
5
Shield1 6
Shield2 7
Shield3 8
Shield4 9
Shield5 10
Shield6 11
TP3
15-mil TEST PAD
1
R12
100K
R37
NC, 1M +/-1%
R1
NC
C1
NC, 10uF
C12
NC, 1nF
R4
NC
C11
0.1uF
R182 1M +/-1%
TP4
15-mil TEST PAD
1
R14
NC, 100K
R2
NC
R181 0
R11
4.7K
R23 500R
R16 500R
SW1
8-POS 50-MIL SMT
TDA08H0SK1R
C&K (ITT-CANNON)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LP5
TP7
0.1" Test Post
1
R5 NC, 0
LP6
R20
4.7K
U1
TUSB320HA
CC1
1
CC2
2
PORT 3
VBUS_DET 4
ADDR
5
INT#/OUT3
6
SDA/OUT1
7
SCL/OUT2
8ID 9
GND
10
EN 11
VDD 12
R18
1K
U9
TPD4E05U06
D1+
1
D1-
2
GND
3
D2+
4
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
1
LP2
TP1
0.1" Test Post
1
J1
Header 5x2 0.1" thru-hole
2
4
6
8
10
1
3
5
7
9
R35 0
J7
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
G6
D2
LED Red 0805
LP3
R179
100K
TP2
0.1" Test Post
1
LP1
LP4
R36 0
R21 500R
R17
1K
R177
NC
D3
LED Red 0805
EVM Schematics www.ti.com
10 SLLU235A–January 2016–Revised November 2018
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TUSB320-LA-EVM and TUSB320-HA-EVM
Figure 6. TUSB320-LA-EVM Components