SLLU350 April   2022 TUSB1142

 

  1.   Trademarks
  2. 1Overview
    1. 1.1 What is the TUSB1142 EVM?
    2. 1.2 What is Included in the TUSB1142 EVM?
    3. 1.3 What Does the EVM Look Like?
  3. 2Hardware Configuration
    1. 2.1 Power
    2. 2.2 Configuration Jumpers
    3. 2.3 CEQ Configuration
    4. 2.4 SSEQ Configuration
    5. 2.5 Local I2C Access
  4. 3Quick Start Guide
  5. 4Schematics
    1.     14
    2.     15
    3.     16

3 Quick Start Guide

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

  1. Insert 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.
  2. Insert a USB-C cable or USB device into the USB-C receptable side of the EVM.
  3. The USB device should enumerate. If USB device does not enumerate, check to ensure the FLIP pin (JMP4) is set based on the CC pin orientation.

The instructions below assume the EVM is configured 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 device into the USB-C receptable side of the EVM.
  5. The USB device should enumerate. If the USB device does not enumerate, check to ensure the FLIP pin (JMP4) is set based on the CC pin orientation.