SPRUJA8 January   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   4
  5. 1Evaluation Module Overview
    1.     Preface: Read This First
      1. 1.1.1 Sitara MCU+ Academy
      2. 1.1.2 If You Need Assistance
    2. 1.1 Introduction
    3. 1.2 Kit Contents
    4. 1.3 Device Information
  6. 2Hardware
    1. 2.1 Component Identification
    2. 2.2 Power Requirements
      1. 2.2.1 Power Tree
    3. 2.3 Functional Block Diagram
    4. 2.4 Header Information
    5. 2.5 Test Points
    6. 2.6 Interfaces
      1. 2.6.1 Ethernet Interface
        1. 2.6.1.1 Industrial Ethernet PHY
        2. 2.6.1.2 Industrial Ethernet PHY Strapping Resistors
        3. 2.6.1.3 LED Indication in RJ45 Connector
    7. 2.7 Integration Guide
      1. 2.7.1 Board Dimensions
      2. 2.7.2 DF40GB Connector
      3. 2.7.3 Mounting Holes
      4. 2.7.4 RJ45 Ethernet Connector
  7. 3Hardware Design Files
  8. 4Additional Information
    1. 4.1 Trademarks
  9. 5References
    1. 5.1 Reference Documents
    2. 5.2 Compatible Sitara™ MCU AM2x EVMs

2.2.1 Power Tree

The DP83826-EVM-AM2 power is supplied from the main Sitara AM2x EVM via the DF40GB connector.

3.3V (VDDIO) is connected to pin 44 and 46 on the DF40GB connector, and is passed to the source inputs on the DP83826ERHBT Industrial Ethernet PHY through a pair of ferrite beads (one per supply net).

Figure 3-3 shows the power connections of DP83826-EVM-AM2.
GUID-1F5E7E09-E622-4F48-A128-268F1C30AF43-low.png Figure 2-3 Power Tree