SNLU346 May   2024 TUSB2E221

 

  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 Getting Started
    2. 2.2 EVM Configuration
      1. 2.2.1 Power Modes
        1. 2.2.1.1 Self-Powered Configuration
        2. 2.2.1.2 Bus-powered Configuration
        3. 2.2.1.3 External Power
      2. 2.2.2 Functional Modes
        1. 2.2.2.1 I2C-Enabled Repeater Mode
        2. 2.2.2.2 GPIO Repeater Mode
        3. 2.2.2.3 UART Mode
      3. 2.2.3 I/O and Interrupts
  8. 3Hardware Design Files
    1. 3.1 Schematic
    2. 3.2 Board Layout
    3. 3.3 Bill of Materials
  9. 4Additional Information
    1. 4.1 Trademarks

I2C-Enabled Repeater Mode

In I2C-enabled repeater mode, the EVM can be configured through register settings. EQ0 and EQ1 must be set high. When set low, the repeater is configured for UART mode and does not forward eUSB or USB packages.

Table 2-5 I2C-enabled Repeater Mode Jumper Configuration
Designator Jumper Position Description
J7 2-3 EQ1 set low
J12 2-3 EQ0 set low
J19 1-2 SDA pulled high via 1Kohm resistor
J20 1-2 SLC pulled high via 1Kohm resistor