Texas Instruments TUSB1142 User Manual Download Page 2 | Manualshive

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Texas Instruments TUSB1142 User Manual Download Page 2

1 Overview

1.1 What is the TUSB1142 EVM?

The TUSB1142EVM is a PCB created to help for customers to evaluate the TUSB1142. The EVM has a USB
Type-B receptacle and a USB Type-C receptacle. The user of the EVM can insert a USB 3 Micro-B cable to the
TUSB1142EVM board then connect to a USB 3 Gen 1/2 motherboard or system with a USB Type-A receptacle.
The user can insert a USB device directly or thru a USB Type-C cable into the receptacle side of the EVM board.

1.2 What is Included in the TUSB1142 EVM?

The major components of the EVM are as follows:
• TUSB1142 device
• USB Micro-B receptacle connector
• USB Type-C receptacle connector
• Headers for configurating various TUSB1142 features

1.3 What Does the EVM Look Like?

Figure 1-1. EVM Board

Overview

2

TUSB1142 EVM User's Guide

SLLU350 – APRIL 2022

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Copyright © 2022 Texas Instruments Incorporated

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Summary of Contents for TUSB1142

Page 1: ...haracteristics 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 TUSB1142 EVM 2 1 2 What is Included in the TUSB1142 EVM 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 Configu...

Page 2: ... receptacle The user can insert a USB device directly or thru a USB Type C cable into the receptacle side of the EVM board 1 2 What is Included in the TUSB1142 EVM The major components of the EVM are as follows TUSB1142 device USB Micro B receptacle connector USB Type C receptacle connector Headers for configurating various TUSB1142 features 1 3 What Does the EVM Look Like Figure 1 1 EVM Board Ove...

Page 3: ...s The following is a list of 4 level jumpers which are used to configure the TUSB1142 JMP6 JMP7 JMP8 JMP9 JMP10 JMP11 JMP12 and JMP13 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 EN pin Therefore a change in any 4 level pin state will not be applied until after EN pin is toggled...

Page 4: ... Selects upper limit for AEQ Refer to TUSB1142 data sheet for details JMP10 Open CEQ1 If TUSB1142 is configured for pin strap mode then this jumper along with JMP10 selects EQ settings for CRX receivers Refer to TUSB1142 data sheet for details on EQ settings JMP11 Open CEQ0 If TUSB1142 is configured for pin strap mode then this jumper along with JMP10 selects EQ settings for CRX receivers Refer to...

Page 5: ... 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 Register s SSEQ1_SEL or SSEQ2_SEL 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...

Page 6: ...An example of an external I2C Host controller is the Total Phase Aardvark I2C SPI Host Adapter Total Phase Part TP240141 Table 2 5 TUSB1142 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...

Page 7: ...ured for I2C mode and is powered from the barrel jack 1 Insertion 5 V DC Power source into barrel jack J1 2 Configure TUSB1142 through the I2C interface JMP4 and JMP5 3 Insert the Micro B USB cable into the Micro B receptacle J1 and connect the Type A receptacle of the motherboard to the EVM through the same cable Note For I2C operation ensure that R19 is populated 4 Insert a USB C cable or USB de...

Page 8: ...4 Schematics Schematics www ti com 8 TUSB1142 EVM User s Guide SLLU350 APRIL 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Page 9: ...www ti com Schematics SLLU350 APRIL 2022 Submit Document Feedback TUSB1142 EVM User s Guide 9 Copyright 2022 Texas Instruments Incorporated ...

Page 10: ...Schematics www ti com 10 TUSB1142 EVM User s Guide SLLU350 APRIL 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Page 11: ...o change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for and you will fully indemn...

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