SNLU237A September   2018  – January 2024 DP83869HM

 

  1.   1
  2.   DP83869EVM
  3.   Trademarks
  4. 1Definitions
  5. 2Introduction
    1. 2.1 Key Features
    2. 2.2 Quick Setup
      1. 2.2.1 Onboard Power Supply Operation
      2. 2.2.2 External Power Supply Operation
      3. 2.2.3 Software
        1. 2.2.3.1 MSP430 Driver
        2. 2.2.3.2 USB-2-MDIO Software
  6. 3Board Setup Details
    1. 3.1 Block Diagram
    2. 3.2 EVM High-Level Summary
  7. 4Configuration Options
    1. 4.1 Bootstrap Options
      1. 4.1.1 Straps for PHY Address
      2. 4.1.2 Strap for DP83869 Functional Mode Selection
      3. 4.1.3 Straps for RGMII/SGMII to Copper
      4. 4.1.4 Straps for RGMII to 1000Base-X
      5. 4.1.5 Straps for RGMII to 100Base-FX
      6. 4.1.6 Straps for Bridge Mode (SGMII-RGMII)
      7. 4.1.7 Straps for 100 M Media Converter
      8. 4.1.8 Straps for 1000 M Media Convertor
    2. 4.2 SGMII/Fiber Interface
    3. 4.3 RGMII
    4. 4.4 Clock Output
    5. 4.5 Clock Input
    6. 4.6 Switch Configuration Options
  8. 5Schematics
  9. 6Revision History

3.2 EVM High-Level Summary

The DP83869EVM supports SMI through J15 using pin 26 for MDIO and 28 for MDC. These pins can be connected to an MSP430 Launchpad, which can be used for USB-2-MDIO control.

Table 3-1 EVM Applications
NO. DP83869 MODE APPLICATIONS HOW TO USE
1RGMII to CopperRun traffic between RGMII and Copper.Connect to DP83867 RGMII EVM or MAC System using Header pins/Samtech connector.
Perform IEEE and UNH compliance testingUse onboard MSP430 to activate test mode waveform on DP83869.
Run EMI/EMC Test on EVMUse internal PRBS and loopback.
Measure Power DissipationConnect external power supplies.
External MAC loopbackConnect external MAC to headers/Samtech connector.
2SGMII to CopperRun traffic between SGMII and Copper.Connect to DP83867 SGMII EVM or MAC System using SMA connector.
Perform IEEE and UNH compliance testingUse onboard MSP430 to activate test mode waveform on DP83869.
Run EMI/EMC Test on EVMUse internal PRBS and loopback.
External SGMII loopbackUse SMA cable for Passive Loopback.
3RGMII to Fiber EthernetRun traffic between RGMII and Fiber Ethernet.Straps to enable Fiber Ethernet. Connect to DP83867 RGMII EVM or MAC System using Header/Samtech.
Perform IEEE and UNH compliance testingUse onboard MSP430 to activate test mode waveforms.
Run EMI/EMC Test on EVMUse internal PRBS and loopback.
Measure Power DissipationConnect external power supplies.
4100 M Media ConvertorDemonstrate 100 M functionality on EVMUse SFP and RJ45 connector for fiber and copper ethernet. Straps are used for unmanaged mode and MDIO for managed mode.
Demonstrate FAR End fault capability
Demonstrate unmanaged mode of Media convertor
51000 M Media ConvertorDemonstrate 1000 M functionality on EVMUse SFP and RJ45 connector for fiber and copper ethernet. Straps are used for unmanaged mode and MDIO for managed mode.
Demonstrate Link Loss Pass Thru Capability
Demonstrate unmanaged mode of Media Convertor
6RGMII to SGMII bridgeDemonstrate SGMII as MAC able to link with SGMII i/f of Phy ( DP83867)Connect to DP83867 SGMII EVM over SMA connectors and monitor RGMII header on 869 EVM.
Demonstrate SGMII link speed is reflected on RGMII
Demonstrate Complete Data path Use-caseUse DP83867 RGMII EVM and SGMII EVM with DP83869EVM.
7SGMII to RGMII bridgeDemonstrate RGMII of DP83869 is able to link-up with RGMII of DP83867Connect to DP83867 RGMII EVM over Samtech connectors and monitor SGMII SMA on 869 EVM.
Demonstrate SGMII link speed is reflecting RGMII speed
Demonstrate Complete Data path Use-caseUse DP83867 RGMII EVM and SGMII EVM with DP83869EVM.