TIDUF93 September   2024

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 DP83TC813S-Q1 (Automotive SPE PHY)
      2. 2.3.2 TPS629210-Q1 (3.3V Rail Buck Converter)
      3. 2.3.3 TPS7B8233-Q1 (3.3V VSLEEP Ultra-Low-IQ Low-Dropout Regulator)
      4. 2.3.4 CDC6CE025000-Q1 (BAW Oscillator)
  9. 3System Design Theory
    1. 3.1 Ethernet PHY
      1. 3.1.1 Ethernet PHY Power Supply
      2. 3.1.2 Ethernet PHY Clock Source
    2. 3.2 Power Coupling Network
  10. 4Hardware, Software, Testing Requirements, and Test Results
    1. 4.1 Hardware Requirements
    2. 4.2 Software Requirements
    3. 4.3 Test Setup
    4. 4.4 Test Results
  11. 5Design and Documentation Support
    1. 5.1 Design Files
      1. 5.1.1 Schematics
      2. 5.1.2 BOM
    2. 5.2 Tools and Software
    3. 5.3 Documentation Support
    4. 5.4 Support Resources
    5. 5.5 Trademarks
  12. 6About the Author

4.1 Hardware Requirements

Table 4-1 lists the required hardware.

Table 4-1 Hardware Required for Minimal Setup
QUANTITYDEVICE DESCRIPTIONDEVICE NUMBER
1 ×DP83TC813S-Q1 100Base-T1 Automotive Ethernet Expansion Reference DesignTIDA-020073
1 ×Jacinto™ 7 system on module (SoM) boardJ721EXSOMXEVM
1 ×Common processor board for Jacinto™ 7 processorsJ721EXCPXEVM
1 ×Automotive to standard Ethernet media converter for 100MBit/sDP83TC812EVM-MC
1 ×TE Connectivity MATEnet SPE cable—
1 ×RJ45 Cable—
1 ×12V, 5A power supply—