SNLU292A November   2020  – March 2022 DP83TC812R-Q1 , DP83TC812S-Q1 , DP83TC814R-Q1 , DP83TC814S-Q1

 

  1. 1Revision History
    1.     Trademarks
  2. 2Introduction
    1. 2.1 Key Features
    2. 2.2 Operation – Quick Setup
      1. 2.2.1 Onboard Power Supply Operation
      2. 2.2.2 SMI Connection and Communication
        1. 2.2.2.1 On-board MSP Connection
        2. 2.2.2.2 Downloading USB2MDIO for SMI
        3. 2.2.2.3 SMI Interface
      3. 2.2.3 Master and Slave Mode Selection – DP83TC812
      4. 2.2.4 Wake Selection – DP83TC812
      5. 2.2.5 LED Indication
  3. 3Board Setup Details
    1. 3.1 Block Diagram
    2. 3.2 Configuration Options
      1. 3.2.1 Clock Configuration
  4. 4Definitions
  5. 5Schematics
    1. 5.1 Main Block Schematic
    2. 5.2 DP83867 Schematic
    3. 5.3 Power Schematic
    4. 5.4 AFE Schematic
    5. 5.5 Comms Schematic
    6. 5.6 Hardware Schematic
  6. 6Layout

2.2.2.1 On-board MSP Connection

  • To connect the DP83TC812 and DP83867 to the on-board MSP430 for MDIO and MDC communication:
    • Populate J14 as indicated in figure below
Note:
  • To use external MSP connection, please remove jumpers on J14 and connect MDC to top-left most pin and MDIO to top-right most pin
  • Cross-connection rewrok required for Rev A board not required for Rev B (current) board
Figure 2-5 On-board MSP connections for MDIO and MDC