Texas Instruments DP83867E User manual

User's Guide

DP83867 Dual-Port TSN PCIe Application Interface Card

ABSTRACT

This user's guide describes the design, setup, and function of the DP83867 Dual-Port TSN PCIe Application

Interface Card (AIC). The PCIe AIC supports two Ethernet ports with 1000/100/10 Mb/s and is compliant with the

IEEE 802.3 standard. This reference design supports SGMII for MAC connections.

The AIC card can be interfaced to the Intel Tiger Lake H IoT and Alder Lake S reference design through the

PCIe interface.

Table of Contents

1 Introduction.............................................................................................................................................................................2

1.1 Overview............................................................................................................................................................................ 2

1.2 Hardware Features............................................................................................................................................................ 3

1.3 Software Features..............................................................................................................................................................3

1.4 Block Diagram....................................................................................................................................................................4

2 Board Overview...................................................................................................................................................................... 5

2.1 Components.......................................................................................................................................................................5

2.2 PCIe Header Signals..........................................................................................................................................................6

3 Quick Start...............................................................................................................................................................................7

4 Schematic, Board Layout, and Bill of Materials...................................................................................................................8

4.1 Board Layout .....................................................................................................................................................................8

4.2 Schematic........................................................................................................................................................................ 10

4.3 Bill of Materials.................................................................................................................................................................15

5 Revision History................................................................................................................................................................... 18

Trademarks

All trademarks are the property of their respective owners.

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SNLU317A – SEPTEMBER 2022 – REVISED MAY 2023

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DP83867 Dual-Port TSN PCIe Application Interface Card 1

1 Introduction

1.1 Overview

Figure 1-1. DP83867 Dual-Port TSN PCIe Application Interface Card (Top View)

Figure 1-2. DP83867 Dual-Port TSN PCIe Application Interface Card (Bottom View)

Introduction www.ti.com

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The DP83867 Dual-Port TSN PCIe Application Interface Card plugs into the Intel Tiger Lake or Alder Lake

reference design through the PCIe interface connector. This is an easy way to evaluate the functionality of the

DP83867 Ethernet PHY with the Intel CPU reference design.

Note that the PCIe interface connector is used only as a form factor and uses proprietary interface signal

assignment as given by the Intel reference design. The PCIe form factor carries the SGMII signaling for two

Ethernet ports, MDIO/MDC, power supply and control signals.

The AIC supports MDIO access via dedicated a SMI interface over the PCIe interface. The two DP83867 PHYs

use different MDIO addresses to be addressed via the common interface.

For easy testing and development purpose, the AIC card supports several pin headers for signal probing.

The AIC uses the two RJ45 jack LEDs to show PHY link and speed indication with one LED, and PHY data

transfer activity with the second LED.

Note

The AIC card supports resistor and capacitor mounting options to deploy DP83869 Ethernet PHY

instead of DP83867 on each Ethernet interface port by using the same PHY footprint on the PCB.

1.2 Hardware Features

DP83867 Dual-Port TSN PCIe Application Interface Card features:

• Two DP83867 Gbit Ethernet PHYs

• Two port SGMII MAC interface

• Common serial management interface (SMI) with MDIO/MDC signals to access both DP83867 Ethernet

PHYs

• Two RJ45 jack connector with integrated magnetics

• Two LEDs in each RJ45 jack giving status information for different PHY operation modes

• On-board power generation for all PHYs, sourced by 5 V power supply through the PCIe connector

1.3 Software Features

• All Ethernet PHY MDIO registers can be accessed via PCIe interface.

– DP83867 on Ethernet port 1 has MDIO address #0

– DP83867 on Ethernet port 2 has MDIO address #1

www.ti.com Introduction

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DP83867 Dual-Port TSN PCIe Application Interface Card 3

1.4 Block Diagram

Intel Host Platform

DP83867 Dual-Port TSN PCIe Application Interface Card

DP83867TGL-H

SGMII_INT

SGMII_MDC

SGMII_MDIO

SGMII_RESET

SGMII_AUXTX

SGMII_PPS

SGMII_INT

SGMII_MDC

SGMII_MDIO

SGMII_RESET

SGMII_AUXTX

SGMII_PPS

SGMII TX P/N

SGMII RX P/N

MDIO

MDC

RESET_N

INT_N (OD)

AUXTX / GPIO

PPS / GPIO

XTAL1

XTAL2

MDI[3:0]

GPIO

Port 2

RJ45

SFP Connector

DP83867

SGMII TX P/N

SGMII RX P/N

MDIO

MDC

RESET_N

INT_N (OD)

AUXTX / GPIO

PPS / GPIO

XTAL1

XTAL2

MDI[3:0]

GPIO

Port 1

RJ45

PCIe

RGMII HDR

RGMII TX[3:0]

RGMII RX[3:0]

2x8 HDR

TGL-U

SGMII_INT

SGMII_MDC

SGMII_MDIO

SGMII_RESET

SGMII_AUXTX

SGMII_PPS

SGMII_INT

SGMII_MDC

SGMII_MDIO

SGMII_RESET

SGMII_AUXTX

SGMII_PPS

ADL

SGMII_INT

SGMII_MDC

SGMII_MDIO

SGMII_RESET

SGMII_AUXTX

SGMII_PPS

SGMII 2 TX

SGMII 2 RX

SMB_SDA/MDIO

SMB_SCL/MDC

PLT_RST

SGMII 1 TX

SGMII 1 RX

SGMII_INT

SGMII_MDC

SGMII_MDIO

SGMII_RESET

SGMII_AUXTX

SGMII_PPS

SGMII 1 TX

SGMII 1 RX

SMB_SDA/MDIO

SMB_SCL/MDC

PLT_RST

PET/

PER0

PET/

PER1

SGMII 2 TX

SGMII 2 RX

SMB_SDA/MDIO

SMB_SCL/MDC

PLT_RST

SGMII 1 TX

SGMII 1 RX

Figure 1-3. Block Diagram

Introduction www.ti.com

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2 Board Overview

2.1 Components

Figure 2-1 below gives a quick overview of the AIC board. The marked sections are described in the Table 2-1.

Figure 2-1. Connectors, Jumpers and LEDs

Table 2-1. Component Table

Section Description

1 RJ45 with integrated magnetic G-Bit network connection Port 1 / TSN_0

2 RJ45 with integrated magnetic G-Bit network connection Port 2 / TSN_1

3 DP83867 PHY1 for Port 1

4 DP83867 PHY2 for Port 2

5 25 MHz clock generation for both PHYs

6 Signal connector MISC0 for validation

7 Signal connector MISC1 for validation

8 Signal connector RGMII interface (optional)

9 PCIe interface

10 Power indicator LEDs.

• D10: 3.3V indicator

• D11: VDDIO indicator PHY1

• D12: VDDIO indicator PHY2

• D9: 3.3V indicator for optional SFP+ module

11 VDDIO voltage selector jumper pin-header

• J19: PHY 1

– Pin 1-2: 3.3V

– Pin 2-3: 1.8V (default)

12 VDDIO voltage selector jumper pin-header

• J21: PHY 1

– Pin 1-2: 3.3V

– Pin 2-3: 1.8V (default)

13 Shield/Earth GND for testing.

www.ti.com Board Overview

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DP83867 Dual-Port TSN PCIe Application Interface Card 5

2.2 PCIe Header Signals

Please refer to the schematics in section Section 4.2 for the PCIe signal assignment and description. The signal

assignment is following the signal layout of the Intel host platform.

2.2.1 MISC0 Signal Header

The MSIC0 signal header is for debug purpose.

Table 2-2. MISC0 Signal Header for PHY1

Pin Number Signal Description

1 MDC PHY1

3 MDIO PHY1

5 Interrupt PHY1

7 AUXTS PHY1 (Start-of-Frame time stamp)

9 PPS PHY1 (not supported by AIC)

11 Reset PHY1

13, 15 Not connected

2, 4, 6, 8, 10, 12, 14, 16 GND

2.2.2 MISC1 Signal Header

The MSIC1 signal header is for debug purposes.

Table 2-3. MISC1 Signal Header for PHY2

Pin Number Signal Description

1 MDC PHY2

3 MDIO PHY2

5 Interrupt PHY2

7 AUXTS PHY2 (Start-of-Frame time stamp)

9 PPS PHY2 (not supported by AIC)

11 Reset PHY2

13, 15 Not connected

2, 4, 6, 8, 10, 12, 14, 16 GND

2.2.3 RGMII Signal Header

RGMII signal header for PHY1 can be used to connect PHY1 via separate cable connection.

Table 2-4. RGMII Signal Header for PHY1

Pin Number Signal Description

1 TXCLK

2 RXCLK

3 TXCTL

4 RXCTL

7 TXDATA_3

8 RXDATA_3

9 TXDATA_2

10 RXDATA_2

11 TXDATA_1

12 RXDATA_1

Board Overview www.ti.com

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Table 2-4. RGMII Signal Header for PHY1 (continued)

Pin Number Signal Description

13 TXDATA_0

14 RXDATA_0

5, 6, 15, 16 GND

3 Quick Start

1. Power down the Intel host platform (Intel Tiger Lake UP3, Tiger Lake H IoT or Alder Lake S).

2. Plug-in the DP83867 Dual-Port TSN PCIe Application Interface Card into the Intel host platform.

3. Power up the Intel host platform.

www.ti.com Quick Start

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4 Schematic, Board Layout, and Bill of Materials

4.1 Board Layout

Figure 4-1. Assembly Drawing Top Layer

Schematic, Board Layout, and Bill of Materials www.ti.com

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Figure 4-2. Assembly Drawing Bottom Layer

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DP83867 Dual-Port TSN PCIe Application Interface Card 9

4.2 Schematic

TP3

TP4

TP5

GND

+V3.3A_RVP

+V3.3A_AUX

+V12A

+V3.3A

+V1.8A

TP6

B10

BOT

B11

TOP

A10

A11

B12

B13

B14

B15

B16

B17

B18

B19

B20

B21

B22

B23

B24

B25

B26

B27

B28

B29

B30

B31

B32

A12

A13

A14

A15

A16

A17

A18

A19

A20

A21

A22

A23

A24

A25

A26

A27

A28

A29

A30

A31

EC1

A32

EDGE_CONN_PCIe-x4

GND GND

+V12A +V12A

+V3.3A_RVP

+V3.3A_AUX

X1_PRSNT_N

PRSNT_N

SGMII1_TX_D_P

SGMII1_TX_D_N

SGMII2_TX_D_P

SGMII2_TX_D_N

0R12

51kR21

100R24

100R28 GND

SGMII1_RX_D_N

SGMII2_RX_D_P

SGMII2_RX_D_N

10uF

0.1uF

GND

1.0kR20

+V3.3A_AUX

10uF 0.1uF

GND

SGMII1_RX_D_P

SGMII1_SFP_RX_D_P

SGMII1_SFP_RX_D_N

SGMII1_SFP_TX_D_P

SGMII1_SFP_TX_D_N

3 4

5 6

7 8

9 10

11 12

13 14

15 16

PRPC008DAAN-RC

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

GND

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

PRPC008DAAN-RC

MISC0_HDR

MISC1_HDR

RGMII_HDR

0R5

0R6

0R7

0R9

0R15

0R16

0R17

0R19

RGMII_INT

RGMII_RESET

SGMII_INT

GBE_MDC_1

GBE_MDIO_1

SGMII_RESET

RGMII_TXCLK

RGMII_TXCTL

RGMII_TXDATA_3

RGMII_TXDATA_2

RGMII_TXDATA_1

RGMII_TXDATA_0

RGMII_RXCLK

RGMII_RXCTL

RGMII_RXDATA_3

RGMII_RXDATA_2

RGMII_RXDATA_1

RGMII_RXDATA_0

GND

PRPC008DAAN-RC

GND

TP1

RGMII_PPS

GND

SGMII_PPS

GND

SMB_CLK

SMB_DAT

SMB_CLK

SMB_DAT

0R4

0R3

0R13

0R14

SGMII_PPS

RGMII_AUXTS

SGMII_AUXTS

61300411121

GND

PHY1 Signals

PHY2 Signals

PHY1_GPIO_1

PHY1_GPIO_0

PHY1_LED_1

RGMII_AUXTS

RGMII_PPS

142-0701-201

GND

PHY1_CLK_OUT

61300411121

GND

PHY2_GPIO_1

PHY2_GPIO_0

PHY2_LED_1

142-0701-201

GND

PHY2_CLK_OUT

TP9

TP8

SGMII1_SFP_MDC

SGMII1_SFP_MDIO

GBE_MDC_0

GBE_MDIO_0

PET3_R_D_P

PET3_R_D_N

PET2_R_D_P

PET2_R_D_N

PET1_R_D_P

PET1_R_D_N

PET0_R_D_P

PET0_R_D_N

PER0_C_D_P

PER0_C_D_N

PER1_C_D_P

PER1_C_D_N

PER2_C_D_P

PER2_C_D_N

PER3_C_D_P

PER3_C_D_N

PCIE_REFCLK_D_P

PCIE_REFCLK_D_N

PERST_N

RGMII_RESET

SGMII_RESET

GBE_MDC_0

TP2

GBE_MDC_0

GBE_MDIO_0

R10

R11

0R242

0R243

R47

R50

0R54

0R56

R48

R51

0R55

0R57

PET_0_2_P

PET_0_2_N

PER_0_2_P

PER_0_2_N

R27

0R31

20.0k

8R1

20.0kR58 20.0kR59

1.0kR22

1.0kR23

+V3.3A

X1_PRSNT_N

R249

C134

10uF 0.1uF

C135

+V3.3A_RVP

GND

0R25

0R26

0R29

0R30

0.1uFC78

0.1uFC79

C80 0.1uF

0.1uFC81

0R33

0R36

0R40

0R41

0R44

0R45

0R52

0R53

0R34

0R32

0R35

0R37

SI_P

SI_N

GND

TX_D -> SI (input to '67)

SI_P

SI_N

TX_D -> SI (input to '67)

C30 0

C31 0

C32 0

C33 0

CAD NOTE:

3 PAD, PLACE CLOSE TO

EDGE CONNECTOR

CAD NOTE:

3 PAD, PLACE CLOSE TO

EDGE CONNECTOR

CAD NOTE:

3 PAD, PLACE CLOSE TO

EDGE CONNECTOR

Figure 4-3. Schematic : PCIe Host Interface

Schematic, Board Layout, and Bill of Materials www.ti.com

10 DP83867 Dual-Port TSN PCIe Application Interface Card SNLU317A – SEPTEMBER 2022 – REVISED MAY 2023

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