Micrel KSZ9031RNX Manuale utente

Micrel, Inc. ♦2180 Fortune Drive ♦San Jose, CA 95131 ♦U.S.A.

408-944-0800 (voice) ♦408-474-1000 (fax)

http://www.Micrel.com

KSZ9031RNX

Gigabit Ethernet Transceiver

with RGMII Support

KSZ9031RNX-EVAL Board User’s Guide

Revision 1.1 / August 2012

Micrel is a registered trademark of Micrel and its subsidiaries in the

United States and certain other countries. All other trademarks are the

property of their respective owners.

The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility is

assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without

notification to the customer. Micrel Products are not designed or authorized for use as components in life support

appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury.

Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b)

support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user.

A Purchaser's use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser's own

risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale.

KSZ9031RNX-EVAL Board User’s Guide

Micrel, Inc. August 17, 2012

Rev. 1.1

2/22

Revision History

Revision Date Summary of Changes

1.0 6/15/12 Initial Release

1.1 8/17/12 Removed 5V DC Adapter from EVAL Kit.

Updated Micrel MDIO Configuration Software installation and

usage sections.

KSZ9031RNX-EVAL Board User’s Guide

Micrel, Inc. August 17, 2012

Rev. 1.1

3/22

Table of Contents

1.0 Introduction ............................................................................. 5

2.0 Board Features........................................................................ 5

3.0 Evaluation Kit Contents.......................................................... 5

4.0 Hardware Description............................................................. 6

4.1 Jumper Setting & Definition .................................................................................. 7

4.2 Test Point Definition............................................................................................... 9

4.3 RJ-45 Copper Interface .......................................................................................... 9

4.4 LED Indicators ........................................................................................................ 9

4.4.1 Single LED Mode ..................................................................................... 10

4.4.2 Tri-color Dual LED Mode......................................................................... 10

4.5 Reduced Gigabit Media Independent Interface (RGMII) ................................... 11

4.5.1 RGMII Loop Back..................................................................................... 11

4.5.2 RGMII Connection to GMAC................................................................... 12

4.6 USB Port ................................................................................................................ 12

5.0 Micrel MdioConfig Software – Installation.......................... 13

5.1 MicrelSwitchPhyQATools Installation................................................................ 13

5.2 USB Driver Installation......................................................................................... 16

6.0 Micrel MdioConfig Software – Application Program.......... 19

6.1 Windows Command Prompt – Command Line program.................................. 19

6.1.1 Running the program.............................................................................. 19

6.1.2 Read/Write access to KSZ9031RNX PHY registers.............................. 20

6.1.3 Creating and running a script file .......................................................... 21

KSZ9031RNX-EVAL Board User’s Guide

Micrel, Inc. August 17, 2012

Rev. 1.1

4/22

List of Figures

Figure 1. KSZ9031RNX-EVAL Board............................................................................................. 6

Figure 2. KSZ9031RNX-EVAL Board – RGMII Loop Back.......................................................... 11

List of Tables

Table 1. KSZ9031RNX-EVAL Board – Jumper Definition.............................................................. 7

Table 2. Strapping Pin Definitions for KSZ9031RNX-EVAL Board Jumpers................................. 8

Table 3. KSZ9031RNX-EVAL Board – Test Point Definition ......................................................... 9

Table 4: Single LED Mode – LED Definition ................................................................................ 10

Table 5: Tri-color Dual LED Mode – LED Definition..................................................................... 10

Table 6. RGMII Signals access at series termination / jumper resistor locations........................ 12

KSZ9031RNX-EVAL Board User’s Guide

Micrel, Inc. August 17, 2012

Rev. 1.1

5/22

1.0 Introduction

The KSZ9031RNX is a completely integrated triple speed (10Base-T/100Base-TX/1000Base-T)

Ethernet Physical Layer Transceiver for transmission and reception of data over standard CAT-5

unshielded twisted pair (UTP) cable.

The KSZ9031RNX reduces board cost and simplifies board layout by using on-chip termination

resistors for the four differential pairs and by integrating a LDO controller to drive a low cost

MOSFET to supply the 1.2V core.

On the copper media interface, the KSZ9031RNX can automatically detect and correct for

differential pair misplacements and polarity reversals, and correct propagation delays and re-sync

timing between the four differential pairs, as specified in the IEEE 802.3 standard for 1000Base-T

operation.

The KSZ9031RNX provides the Reduced Gigabit Media Independent Interface (RGMII) for direct

connection to RGMII MACs in Gigabit Ethernet Processors and Switches for data transfer at

10/100/1000 Mbps speed.

The KSZ9031RNX Evaluation Board (KSZ9031RNX-EVAL) provides a comprehensive platform

to evaluate the KSZ9031RNX features. All KSZ9031RNX configuration pins are accessible either

by jumpers, test points or interface connectors.

2.0 Board Features

•Micrel KSZ9031RNX 10Base-T/100Base-TX/1000Base-T Physical Layer Transceiver

•RJ-45 Jack for Ethernet cable interface

•Auto MDI/MDI-X for automatic detection and correction for straight-through and crossover

cables

•RGMII Loopback for standalone evaluation

•LED Indicators for link status and activity

•Jumpers to configure strapping pins

•Manual Reset Button for quick reboot after re-configuration of strapping pins

•USB port for MDC/MDIO programming access to KSZ9031RNX PHY registers

3.0 Evaluation Kit Contents

The KSZ9031RNX Evaluation Kit includes the following hardware:

•KSZ9031RNX-EVAL Board (a.k.a. KSZ9031RNX Socket Board)

And a design package with the following collaterals:

•KSZ9031RNX Evaluation-Socket Board Schematic (PDF and OrCAD DSN file)

•KSZ9031RNX Evaluation-Socket Board Gerber & PADS PowerPCB Files

•KSZ9031RNX Evaluation-Socket Board BOM

•KSZ9031RNX Evaluation-Socket Board User’s Guide (this document)

•KSZ9031RNX IBIS Model (separate files for 1.8V, 2.5V, and 3.3V VDD I/O voltages)

•Micrel MDIO Configuration Software

KSZ9031RNX-EVAL Board User’s Guide

Micrel, Inc. August 17, 2012

Rev. 1.1

6/22

4.0 Hardware Description

The KSZ9031RNX-EVAL board provides a standalone evaluation platform for the KSZ9031RNX

Gigabit Ethernet Transceiver. Configuration of the KSZ9031RNX is accomplished through on-

board jumper selections and/or by PHY register access via the KSZ9031RNX MDC/MDIO

management pins via the USB port (CN1).

Figure 1. KSZ9031RNX-EVAL Board

Features include a RJ-45 Jack for 10/100/1000 Ethernet speed cable connection, programmable

LED indicators for reporting link status and activity, and a manual reset button for quick reboot

after re-configuration of strapping pins.

On-board, RGMII receive output clock and signals are looped back to RGMII transmit input clock

and signals to provide a standalone evaluation platform for the KSZ9031RNX device. Optionally,

the RGMII loop back path can be opened to allow the RGMII signals to be wired to a Gigabit MAC

on another board.

The KSZ9031RNX-EVAL board receives power from a DC power jack (J13). Any DC power

adapter in the range of 5V to 12V with a current rating of 2 Amp or better can be used.

Power Jack

(J13)

Reset

(S1)

USB Port

(CN1)

RJ-45 Jack

(RJ1)

RGMII

Signals

KSZ9031RN

Single LEDs

(D2, D1)

Tri-color Dual LED

(D10) KSZ9031RNX-

EVAL Board

KSZ9031RNX-EVAL Board User’s Guide

Micrel, Inc. August 17, 2012

Rev. 1.1

7/22

4.1 Jumper Setting & Definition

At power-up, the KSZ9031RNX device is configured via strapping pins that are set by external

pull-up and pull-down resistors. The KSZ9031RNX-EVAL board provides jumpers for the

KSZ9031RNX device strap-in settings and for selective board options.

Jumpers allow for quick configuration and re-configuration. To override the current KSZ9031RNX

device and board settings, simply select and close the desired jumper setting(s) and toggle the

on-board manual reset button (S1) for the new setting(s) to take effect.

The KSZ9031RNX-EVAL board jumper settings are defined in the table below.

Jumper KSZ9031RNX Pin Name Setting Function

KSZ9031RNX Device Strapping Pins

Close pins (1, 2) Set MODE3 = 1JP1 MODE3

Close pins (2, 3) Set MODE3 = 0

Close pins (1, 2) Set MODE2 = 1JP2 MODE2

Close pins (2, 3) Set MODE2 = 0

Close pins (1, 2) Set MODE1 = 1JP3 MODE1

Close pins (2, 3) Set MODE1 = 0

Close pins (1, 2) Set MODE0 = 1JP4 MODE0

Close pins (2, 3) Set MODE0 = 0

Close pins (1, 2) Set PHYAD2 = 1JP19 PHYAD2

Close pins (2, 3) Set PHYAD2 = 0

Close pins (1, 2) Set PHYAD1 = 1JP9 PHYAD1

Close pins (2, 3) Set PHYAD1 = 0

Close pins (1, 2) Set PHYAD0 = 1JP10 PHYAD0

Close pins (2, 3) Set PHYAD0 = 0

Close pins (1, 2) Enable 125 MHz Clock OutputJP16 CLK125_EN

Close pins (2, 3) Disable 125 MHz Clock Output

Close pins (1, 2) Select Single LED ModeJP20 LED_MODE

Close pins (2, 3) Select Tri-color Dual LED Mode

KSZ9031RNX-EVAL Board Settings

Close pins (1, 2) Use for Single LED ModeJP26 LED2

Close pins (2, 3) Use for Tri-color Dual LED Mode

Close pins (1, 2) Use for Single LED ModeJP27 LED1

Close pins (2, 3) Use for Tri-color Dual LED Mode

Close pins (1, 2) Select 2.5V for KSZ903RNX digital I/OsJP23 DVDDH

Close pins (2, 3) Select 3.3V for KSZ9031RNX digital I/Os

Close Jumper Close MDC signal to USB Controller (U8)

JP21 1MDC

Open Jumper Open MDC signal to USB Controller (U8)

Close Jumper Close MDIO signal to USB Controller (U8)

JP22 1MDIO

Open Jumper Open MDIO signal to USB Controller (U8)

Note:

1 JP21 and JP22 connect the MDC/MDIO signals to U8 when U13 is not populated.

Table 1. KSZ9031RNX-EVAL Board – Jumper Definition

KSZ9031RNX-EVAL Board User’s Guide

Micrel, Inc. August 17, 2012

Rev. 1.1

8/22

The following table lists the strapping pin definitions for the KSZ9031RNX-EVAL board jumpers.

Jumper Pin Pin Name Pin Function

JP1

JP2

JP3

JP4

MODE3

MODE2

MODE1

MODE0

The MODE[3:0] strap-in pins are latched at power-up /

reset and are defined as follows:

MODE[3:0] Mode

0100 NAND Tree

0111 Chip Power Down

1100 RGMII – advertise 1000Base-T full-

duplex only

1101 RGMII – advertise 1000Base-T full

and half-duplex only

1110 RGMII – advertise all capabilities

(10/100/1000 speed half/full duplex),

except 1000Base-T half-duplex

1111 RGMII – advertise all capabilities

(10/100/1000 speed half/full duplex)

All other MODE[3:0] settings not listed are reserved and

are not used by the KSZ9031RNX-EVAL.

MODE[3:0] = 1111 is the normal RGMII setting and is

set as the default for the board.

JP19

JP9

JP10

PHYAD2

PHYAD1

PHYAD0

The PHY Address is latched at power-up / reset and is

configurable to any value from 0 to 7.

PHY Address bits [4:3] are always set to ‘00’.

PHYAD[2:0] = 001 is set as the default for the board.

JP16 33 CLK125_EN

CLK125_EN is latched at power-up / reset and is defined

as follows:

Pull-up (1) = Enable 125MHz Clock Output

Pull-down (0) = Disable 125MHz Clock Output

Pin 41 (CLK125_NDO) provides the 125MHz reference

clock output option for use by the MAC.

CLK125_EN = 0 is set as the default for the board.

JP20 41 LED_MODE

LED_MODE is latched at power-up / reset and is defined

as follows:

Pull-up (1) = Single LED Mode

Pull-down (0) = Tri-color Dual LED Mode

LED_MODE = 1 is set as the default for the board.

Table 2. Strapping Pin Definitions for KSZ9031RNX-EVAL Board Jumpers

KSZ9031RNX-EVAL Board User’s Guide

Micrel, Inc. August 17, 2012

Rev. 1.1

9/22

4.2 Test Point Definition

The KSZ9031RNX-EVAL board has 16 usable test points, as defined in the following table.

Test Point Definition

TP4 Interrupt Signal (KSZ9031RNX pin 38) with 4.7K external pull-up

TP7 AVDDH voltage – KSZ9031RNX power pins

TP12 AVDDL voltage – KSZ9031RNX power pins

TP14 DVDDL – KSZ9031RNX power pins

TP15 AVDDL_PLL – KSZ9031RNX power pin

TP16 DVDDH – KSZ9031RNX power pins

TP17 Signal Ground

TP18 Signal Ground

TP19 Signal Ground

TP20 Signal Ground

TP24 Signal Ground

TP33 Exposed ground connection to KSZ9031RNX paddle ground

(bottom of chip); Test point is located on solder side of PCB.

TP34 End point for board trace delay for RGMII RX_CLK output clock;

Refer to KSZ9031RNX-EVAL Board Schematic for more details.

TP35 1.8ns (10000 mils) board trace delay for RGMII RX_CLK output

clock, starting from resistor R144; Refer to KSZ9031RNX-EVAL

Board Schematic for more details.

TP36-TP37 450ps (2500 mils) board trace delay for RGMII RX_CLK output

clock; Refer to KSZ9031RNX-EVAL Board Schematic for more

details.

Table 3. KSZ9031RNX-EVAL Board – Test Point Definition

4.3 RJ-45 Copper Interface

The RJ-45 copper interface (RJ1) connects to standard unshielded twisted pair (UTP) CAT-5

Ethernet cable to interface with 10Base-T/100Base-TX/1000Base-T network devices.

The KSZ9031RNX copper media interface can automatically detect and correct for differential

pair misplacements and polarity reversals, and correct propagation delays and re-sync timing

between the four differential pairs, as specified in the IEEE 802.3 standard for 1000Base-T

operation.

Auto MDI/MDI-X is supported for automatic detection and correction for straight and crossover

cables when interfacing to link partners with fixed MDI or MDI-X setting.

4.4 LED Indicators

The KSZ9031RNX device provides two programmable LED output pins, LED2 (pin 15) and LED1

(pin 17). On the KSZ9031RNX-EVAL board, these two LED pins are connected to two sets of

LEDs to support two LED configurations: Single LED mode and Tri-color Dual LED mode.

KSZ9031RNX-EVAL Board User’s Guide

Micrel, Inc. August 17, 2012

Rev. 1.1

10/22

4.4.1 Single LED Mode

To enable Single LED mode,

•Close pins (1, 2) of jumpers JP26 and JP27 to select D2 and D1, respectively for the

single LEDs.

•Close pins (1, 2) of jumper JP20 to set the LED_MODE strap-in for Single LED mode.

•Power-up the board.

After board power-up, the on-board D2 and D1 LEDs are defined as follows:

LED LED Definition Link / Activity

OFF Link off

D2 Green – ON Link on (any speed)

OFF No Activity

D1 Green – Blinking Activity (RX, TX)

Table 4: Single LED Mode – LED Definition

4.4.2 Tri-color Dual LED Mode

To enable Tri-color Dual LED mode,

•Close pins (2, 3) of jumpers JP26 and JP27 to select D10 for the tri-color dual LED.

•Close pins (2, 3) of jumper JP20 to set the LED_MODE strap-in for Tri-color Dual LED

mode.

•Power-up the board.

After board power-up, the on-board D10 LED is defined as follows:

LED: D10 Link / Activity

OFF Link off

Green – ON 1000Mbps Link / No Activity

Green – Blinking 1000Mbps Link / Activity (RX, TX)

Red – ON 100Mbps Link / No Activity

Red – Blinking 100Mbps Link / Activity (RX, TX)

Orange – ON 10Mbps Link / No Activity

Orange – Blinking 10Mbps Link / Activity (RX, TX)

Table 5: Tri-color Dual LED Mode – LED Definition

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