Texas Instruments DP83869EVM User Manual Download Page 9

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DP83869

DUT

LDO

1.0V
LDO

2.5V
LDO

3.3V IO

LDO

MSP-430

EVM BLOCK

3.3V
LDO

LED SPEED

LED ACT

LED LINK

SMI

Connector

Magnetics/

Capacitive

Coupling

RJ-45

Transceiver

RGMII Header

& Samtec

SMA

USB

External Supply

Header

25MHz Clock in

MDC

MDIO

SGMII

Fiber IO

ESD

Diodes

RESET

Turrets

Barrel Jack

3.3V from

MSP430 LDO

1x3

Header

Power

DATA

Jumper

(LDO vs External)

1.0V

I/O

2.5V

1.8V

I/O

CORE

Strap

Resistors

JTAG

www.ti.com

Board Setup Details

SNLU237 – September 2018

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DP83869EVM User's Guide

Board Setup Details

3.1

Block Diagram

Figure 5. DP83869EVM Block Diagram

Summary of Contents for DP83869EVM

Page 1: ...ments Incorporated DP83869EVM User s Guide User s Guide SNLU237 September 2018 DP83869EVM User s Guide This User s Guide discusses how to properly operate and configure the DP83869EVM For best layout practices schematic files and Bill of Materials see the associated support documents ...

Page 2: ...ap Jumpers 11 7 Onboard Clock 15 8 External Clock Input 15 9 Schematic Page 1 18 10 Schematic Page 2 19 11 Schematic Page 3 20 12 Schematic Page 4 21 13 Schematic Page 5 22 14 Schematic Page 6 23 List of Tables 1 Terminology 3 2 EVM Applications 10 3 4 Level Straps 11 4 2 Level Straps 11 5 PHY Strap Table 12 6 Functional Mode Strap Table 12 7 Copper Ethernet Strap Table 12 8 1000Base X Strap Table...

Page 3: ...ITION PHY Physical Layer Transceiver MAC Media Access Controller SMI Serial Management Interface MDIO Management Data I O MDC Management Data Clock MII Media Independent Interface RMII Reduced Media Independent Interface RGMII Reduced Gigabit Media Independent Interface SGMII Serial Gigabit Media Independent Interface VDDA Analog Core Supply Rail VDDIO Digital Supply Rail PD Pulldown PU Pullup ...

Page 4: ...tem BOM The DP83869EVM will demonstrate all features of DP83869 The EVM will support Copper Ethernet protocols like 10BASE Te 100BASE TX and 1000BASE T It also supports Fiber protocols 1000BASE X and 100BASE FX The EVM has connections to use the DP83869 MAC Inerface in RGMII and SGMII mode The EVM will also be optimized to demonstrate the robust EMI EMC and ESD performance of the DP83869 device 2 ...

Page 7: ...mpers shown in Figure 4 can be used to choose whether a particular voltage rail is supplied through onboard LDOs or an external power supply If an external power supply is desired on a voltage rail change its respective jumper from position 1 2 LDO to 2 3 External Then connect the appropriate voltage on its corresponding pin to the P1 connector For example if the VDDA2P5 is to be supplied from an ...

Page 8: ...re The MSP430 is on board the EVM so it is not required to purchase a separate MSP430 Launchpad kit and connect to the PHY using wires The entire EVM can be powered and controlled through a USB connector MSP430 and USB2MDIO utility can be used even when power is not supplied through a USB In case the onboard MSP430 cannot be used due to some reason MDIO and MDC pins are also broken out on the J15 ...

Page 9: ...er 25MHz Clock in MDC MDIO SGMII Fiber IO ESD Diodes RESET Turrets Barrel Jack 3 3V from MSP430 LDO 1x3 Header Power DATA Jumper LDO vs External 1 0V I O 2 5V 1 8V I O CORE Strap Resistors JTAG www ti com Board Setup Details 9 SNLU237 September 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated DP83869EVM User s Guide 3 Board Setup Details 3 1 Block Diagram Figure 5 D...

Page 10: ...r Ethernet Connect to DP83867 RGMII EVM or MAC System using Header Samtech Perform IEEE and UNH compliance testing Use onboard MSP430 to activate test mode waveforms Run EMI EMC Test on EVM Use internal PRBS and loopback Measure Power Dissipation Connect external power supplies 4 100M Media Convertor Demonstrate 100M functionality on EVM Use SFP and RJ45 connector for fiber and copper ethernet Str...

Page 11: ... in DP83869 EVM will support one pullup and one pulldown resistor pad on RX_D0 and RX_D2 for PHY address straps There will be only one pullup resistor on all other strap pins with an jumper option to disconnect it Table 3 4 Level Straps STRAP VALUE MODE 1 MODE 2 MODE 3 MODE 4 Resistor PU kΩ Open 10 5 76 2 49 Resistor PD kΩ Open 2 49 2 49 Open Table 4 2 Level Straps STRAP VALUE MODE 1 MODE 2 Resist...

Page 12: ...ODES JTAG_TDO GP IO_1 OPMODE_0 22 0 0 0 0 RGMII to Copper 1000Base T 100Base TX 10Base Te 0 0 1 RGMII to 1000Base X RX_D3 OPMODE_1 36 0 0 1 0 RGMII to 100Base FX 0 1 1 RGMII SGMII Bridge Mode RX_D2 OPMODE_2 35 0 1 0 0 1000Base T to 1000Base X 1 0 1 100Base T to 100Base FX 1 1 0 SGMII to Copper 1000Base T 100Base TX 10Base Te 1 1 1 JTAG for boundary scan 4 1 3 Straps for RGMII SGMII to Copper Table...

Page 13: ... Force mode LED_1 ANEGSEL_0 46 0 0 Signal Detect disable on Pin 24 1 Configure Pin 24 as Signal Detect Pin 4 1 5 Straps for RGMII to 100Base FX Table 9 100Base X Strap Table PIN NAME STRAP NAME PIN DEFAULT LED_1 ANEGSEL_0 46 0 0 Signal Detect disable on Pin 24 1 Configure Pin 24 as Signal Detect Pin 4 1 6 Straps for Bridge Mode SGMII RGMII Table 10 Bridge Mode Strap Table PIN NAME STRAP NAME PIN D...

Page 14: ...ltipurpose pins functioning as SGMII and Fiber IO pins By default the EVM will be configured for Fiber operation NOTE Fiber Transceiver is not a part of the EVM package SFP cage and SFP connector will be mounted For routing signals to Fiber Transceiver populate R31 R38 R45 and R47 Remove C12 C14 C15 and C17 For routing signals to SGMII SMAs populate C12 C14 C15 and C17 Remove R31 R38 R45 and R47 4...

Page 15: ...outputs For each switch PU is 1 and PD is 0 Table 13 4 Pin Dip Switch Modes Mode SW 4 1 Feature LED Description LED D14 LED D15 LED D16 USB2MDIO 0 0000 Normal Operation USB 2 MDIO Active Flashes very briefly red during read and green during write Red Green Off Off Yes Program failed to read PHY register Red Off Off No Program failed to write PHY register Green Off Off 1 0001 Test Mode 1 Droop Succ...

Page 16: ...MII Loopback Red Green Red Green Yes Failed to enter xMII Loopback Flashing LEDs Red Red Red No 10 1010 Enable BIST Enable BIST in Copper Ethernet Mode Red Green Red Green No Program failed to program the PHY registers Red Red Red 11 14 1011 1110 RESERVED RESERVED No 15 1111 LOOP Read data continuously from a list of registers loaded to the MC To upload a list of registers to continuously read fro...

Page 17: ... command into a serial com terminal 01LOAD0462 To start reading data continuously copy and paste the following into the serial com terminal OPEN To stop reading data continuously copy and paste the following into the serial com terminal STOP NOTE The OPEN and STOP commands are in no particular position so the designer can copy OPENSTOP and paste it into the serial com terminal once to start readin...

Page 18: ...Schematics www ti com 18 SNLU237 September 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated DP83869EVM User s Guide 5 Schematics Figure 9 Schematic Page 1 ...

Page 24: ...24 SNLU237 September 2018 Submit Documentation Feedback DP83869EVM User s Guide ...

Page 25: ...plicable standards and any other safety security or other requirements These resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to a...

Page 26: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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