SLLU392 September   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Setup
    2. 2.2 Equalization Control
  8. 3Hardware Design Files
    1. 3.1 Schematics
    2. 3.2 PCB Layouts
    3. 3.3 Bill of Materials (BOM)
  9. 4Additional Information
    1. 4.1 Trademarks

2.1 Setup

Table 2-1 lists the default configurations on each configurable pin when the EVM is provided. These configurations settings must be further customized by the user to properly account for the amount of loss that can be present in a system. The EVM is configured to have GPIO mode enabled by default. If I2C is desired, users can change the JMP1 to connect pins 1 and 2 and remove the shunt between pins 5 and 6. The EVM comes with I2C VCC set to 3.3V. For 1.8V, an external voltage source must be used to connect to pin 2 of JMP5.

Table 2-1 TUSB1021-Q1 EVM Default Pin Configuration
DesignatorFunctionDefault Configuration
JMP1I2C_ENShunt on pins 5 and 6 (GPIO mode)
JMP2FLIP/SCLShunt on pins 3 and 5 (normal)
JMP3CTL0/SDAShunt on pins 1 and 3 (USB enabled)
JMP5I2C VCCShunt on pins 1 and 2 (I2C 3.3V)
JMP6EQ0Shunt on pins 5 and 6 (0)
JMP7EQ1Shunt on pins 5 and 6 (0)
JMP8SSEQ0/A0Shunt on pins 5 and 6 (0)
JMP9SSEQ1Shunt on pins 5 and 6 (0)
JMP10ENShunt on pins 1 and 2 (device enabled)
JMP11A1Shunt on pins 5 and 6 (0)
JMP19Power source selectShunt on pins 2 and 3 (VBUS powered)
JMP21VBUS SelectShunt on pins 1 and 2 (VBUS to port 1)
SW2TS3USB221 SPulled to position 1 and 2 (USB2 Port 1)

Before selecting a port to use, set up the JMP2, JMP21, and SW2 accordingly.

For Port 1:

  1. Use a shunt to connect pins 3 and 5 on the JMP2 (Flip/SCL) jumper to pull the SW2 pin down
  2. Use a shunt to connect pins 1 and 2 on the JMP21 (VBUS select) to send VBUS to Port 1
  3. Pull the SW2 (TS3USB221 S) pin down and connect pins 1 and 2 to send the USB2 signals to Port 1

For Port 2:

  1. Use a shunt to connect pins 1 and 3 on the JMP2 (Flip/SCL) jumper to pull the SW2 pin up
  2. Use a shunt to connect pins 2 and 3 on the JMP21 (VBUS select) to send VBUS to Port 2
  3. Pull the SW2 (TS3USB221 S) pin up and connect pins 2 and 3 to send the USB2 signals to Port 2