Micrel KSZ8864 Manuale utente

KSZ8864 Evaluation Board User’s Guide

Micrel Inc. Page 1 5/9/2014

KSZ8864

Evaluation Board User’s Guide

KSZ8864 Integrated 4-port 10/100 Ethernet Managed

Switch

Rev 1.1 May 2014

KSZ8864 Evaluation Board User’s Guide

Micrel Inc. Page 2 5/9/2014

Table of contents

1.0 Introduction...........................................................................................................................4

2.0 Features.................................................................................................................................4

3.0 Evaluation Kit Contents........................................................................................................4

4.0 Hardware Description...........................................................................................................5

4.1 Strap in Mode....................................................................................................................6

4.1.1 Feature Setting Jumpers.............................................................................................7

4.2 EEPROM Mode................................................................................................................8

4.3 SPI Mode ..........................................................................................................................9

4.4 10/100 Ethernet Ports......................................................................................................10

4.5 LED indicators................................................................................................................10

4.6 MII/RMII Port Configuration.........................................................................................10

4.6.1 Port 4 SW4-MII Jumper Configuration...................................................................11

4.6.2 Port 3 SW3-MII Jumper and Register Configuration..............................................12

4.6.3 Port 4 SW4-RMII Jumper Configuration for KSZ8864..........................................12

4.6.4 Port 3 SW3-RMII Jumper Configuration for KSZ8864..........................................13

4.7 MDC/MDIO Interface for MIIM Registers and SMI mode ...........................................13

5.0 Software Description ..........................................................................................................15

5.1 Introducing Application Software Tools ........................................................................15

5.2 Install Window Driver First............................................................................................15

5.3 DOS SPI Tool.................................................................................................................18

5.4 MDC/MDIO MIIM Software Tool.................................................................................19

5.4.1 MDC/MDIO MII software installation....................................................................19

5.4.2 On board jumper setting and Software Application ................................................19

5.5 MDC/MDIO SMI Software Tool....................................................................................21

5.5.1 MDC/MDIO SMI software......................................................................................21

5.5.2 On board jumper setting and Software Application ................................................21

5.6 EEPROM Software Tool ................................................................................................22

5.6.1 EEPROM software installation................................................................................22

5.6.2 On board jumper setting and Software Application ................................................22

5.7 Window SPI Software Tool............................................................................................25

5.7.1 Window SPI software installation ...........................................................................25

5.7.2 On board jumper setting and Software Application ................................................25

6.0 Reference Documents.........................................................................................................26

8.0 Bill of Material....................................................................................................................26

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List of Figures and Tables

Figure 1 KSZ8864 Evaluation Board .........................................................................................5

Figure 2 KSZ8864 Evaluation Board Block Diagram................................................................6

Table 1 Feature Setting Jumpers.................................................................................................7

Table 2 Reserved Jumpers..........................................................................................................8

Table 3 EEPROM Mode Settings...............................................................................................8

Table 4 SPI Mode Settings .........................................................................................................9

Table 5 LED Modes..................................................................................................................10

Table 6 SCONF [1:0] pin [47,48] for SW4-MII PHY/MAC mode..........................................11

Table 7 Configure for SW4-MII...............................................................................................11

Table 8 Configure for SW3-MII...............................................................................................12

Table 9 Configure for SW4-RMII ............................................................................................12

Table 10 Configure for SW3-RMII ..........................................................................................13

Table 11 MDC/MDIO Settings for MIIM................................................................................14

Table 12 MDC/MDIO Settings for SMI...................................................................................14

Revision History

Revision Date Change

1.0 10/21/10 Initial release

1.1 05/09/14 Update pictures, add RJ49

and RJ50 for rev1.2 eval

board

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1.0 Introduction

The KSZ8864 is Micrel Operations’ new generation integrated 4-port switch with a 64-pin small

package. The KSZ8864 device consists of two PHYs and four MACs. Two of MACs support either

MII or RMII interfaces for dual processor/DSP data transfer. Higher speed SPI and MDC/MDIO

interfaces can fully manage the 4-port switch by the processor. The device had been designed with

cost sensitive systems in mind but still offers a multitude of features such as switch management;

port and tag based VLAN; 1/2/4-queue QoS priority; a dual MII/RMII option data interfaces and

CPU control interfaces of SPI, MDC/MDIO with MIIM/SMI. MIIM is the standard IEEE 802.3

MII Management Interface. SMI is non-standard Serial Management Interface that can access all

registers by the Management Data Input/output MDIO interface. The KSZ8864 is an excellent

choice in current complex Ethernet applications with single processor or dual processors, industrial

automatic, automotive, etc. fields and as a standalone 4-port switch.

The KSZ8864 evaluation board is designed to allow the user to experience first-hand the rich

feature set of these existing 4-port switches of KSZ8864CNX/RMNUB. The evaluation board is

highly configurable and easy to use.

2.0 Features

•Micrel KSZ8864 Integrated 4-port 10/100 Managed Ethernet Switch

•2 RJ-45 Jacks for Ethernet LAN with Corresponding Isolation Magnetics.

•Auto MDI/MDIX on all Ports.

•1 PHY mode and 1 MAC mode 40-pin male/female connectors are for the port 3 Switch

SW3-MII/RMII Interfaces.

•1 PHY mode and 1 MAC mode 40-pin male/female connectors are for the port 4 Switch

SW4-MII/RMII Interfaces.

•1 USB Port Interface Configurable to emulate interfaces of EEPROM, SPI interface,

MDC/MDIO with SMI Interface and access all MIIM registers.

•On Board EEPROM

•2 LEDs Per Port to Indicate the Status and Activity

•5VDC, 2.5A Universal Power Supply

3.0 Evaluation Kit Contents

The KSZ8864 Evaluation kit includes the following:

•KSZ8864 Evaluation Board Rev. 1.x

•KSZ8864 Evaluation Board User’s Guide Rev 1.x

•Micrel EEPROM/SPI/SMI/MIIM Configuration Software

•KSZ8864 Evaluation Board Schematics and BOM

•The software, schematics and other design information will be found in the hardware design

package in the Design Kit of the KSZ8864 Ethernet switch product on Micrel website.

(Contact your Micrel FAE for the latest schematic).

•The USB cable is not included.

KSZ8864 Evaluation Board User’s Guide

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4.0 Hardware Description

The KSZ8864 evaluation board is in a compact form factor and can sit on a bench near a

computer/laptop. There are three options for configuration: strap in mode; EEPROM mode; and

SPI mode. Strap in mode configuration is easily done with on board jumper options. EEPROM

mode and SPI mode are accomplished through a built in USB port interface. Using Micrel

EEPROM software and your PC, you can reprogram the EEPROM on board by the USB port. Or

using Micrel SPI software and your PC, you can access the KSZ8864’s full feature set registers by

the USB to SPI interface. The board also features the MII connectors for the Switch MII/RMII

interface on port 3 and port 4. These are to facilitate connections from the switch to an external

MAC or PHY with MII/RMII interface.

The KSZ8864 evaluation board is easy to use. There are programmable LED indicators for link and

activity on all ports and a power LED. A manual reset button allows the user to reset the board

without removing the power plug. A standard 5VDC power supply is included so that the user can

supply power from any 110-240 Volt AC wall or bench socket, and the power also can be provided

by USB port when close pin 2-3 of the JP47 jumper.

Figure 1 KSZ8864 Evaluation Board

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FIFO, Flow Control, VLAN Tagging, Priority

USB

Device USB

Port

EEPROM

Port 1 Port 2 Port 3

RMII Port 4

RMII

Mag 1 Port 4

MII

5 VDC

Jack

3.3V

Regulator

1.2V

Regulator

Reset

Button

KSZ8864

Mag 2 Port 3

MII

Figure 2 KSZ8864 Evaluation Board Block Diagram

4.1 Strap in Mode

Strap in configuration mode is the quickest and easiest way to get started. In this mode, the

KSZ8864 acts as a standalone unmanaged 4-port switch. The user has to simply set the board’s

configuration jumpers to the desired settings and apply power to the board. The user can also

change jumper settings while power is applied to the board and press the convenient manual reset

button for the new settings to take effect. Note that even if there is no external strap in values are set,

internal pull up and pull down resistors will set the KSZ8864 default configuration. Section 4.1.1

covers each jumper on the board and describes its function.

To start in strap in configuration mode, make sure that JP1 and JP2 are closed and JP3, JP4, JP8 and

JP9 are open. In this mode, pins (PS1,PS0)=(0,0), the chip will start automatically, after trying to

KSZ8864 Evaluation Board User’s Guide

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read the external EEPROM, if EEPROM does not exist, the chip will use the default values and the

strap option setting for all internal registers.

4.1.1 Feature Setting Jumpers

The evaluation board provides jumpers to allow the user to easily set strap in configurations for the

KSZ8864. Table 1 describes the jumpers and their function in the open or closed state.

Table 1 Feature Setting Jumpers

Jumper KSZ8864 Signal 2-pin Jumper Open

3-pin Jumper 1-2 Close 2-pin Jumper Closed

3-pin Jumper 2-3 Close

JP1 SCL SPI and MIIM/SMI EEPROM

JP2 SPIQ SPI EEPROM and MIIM/SMI

JP3 MDC SPI and EEPROM MIIM/SMI

JP4 MDIO SPI and EEPROM MIIM/SMI

JP8 PS0 EEPROM/SPI/SMI Setting. See Section 4.2 and 4.3

JP9 PS1 EEPROM/SPI/SMI Setting. See Section 4.2 and 4.3

JP48 Testing Power of EEPROM comes

from VDDIO Power of EEPROM comes

from 3.3V only (default)

JP10 SCONF0 MII Setting See Section 4.6

JP11 SCONF1 MII Setting See Section 4.6

JP17

3-pin Default is 2-3

close for port 4

SW4- MII

1-2 Close: SW4-RMII

provides 50MHz clock 2-3 Close: SW4-MII or

SW4-RMII receive 50MHz

clock from opposite

JP18

3-pin Default is 1-2

close for port 4

SW4- MII

1-2 Close: SW4-MII mode.

Detail see schematics 2-3 Close: SW4-RMII

interface without clock

provided

JP20 SM4RXD3 Disable SW4-MII/RMII Flow

Control Enable SW4- MII/RMII Flow

Control

JP21 SM4RXD2 SW4-MII/RMII Half Duplex

Mode SW4-MII/RMII Full Duplex

Mode

JP22 SM4RXD1 SW4-MII/RMII 100BT mode

SW4-MII/RMII 10BT mode

JP23 SMRXD0 LED Mode 0:

PxLED1 = Link/Act

PxLED0 = Speed

LED Mode 1:

PxLED1 = 100Link/Act

PxLED0 = Full Duplex

JP24

3-pin Default is 2-3

close for pot 3

SW3- MII

1-2 Close: SW3-RMII

provides 50MHz clock 2-3 Close: SW3-MII mode or

SW3-RMII receive 50MHz

clock from opposite

JP27

3-pin Default is 1-2

close for port 3

SW3- MII

1-2 Close: SW3-MII mode.

Detail see schematics 2-3 Close: SW3-RMII

interface without clock

provided

JP29 SM3RXD3 Enable device flow control Disable device flow control

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JP30 SM3RXD2 Disable Back Pressure Enable Back Pressure

JP31 SM3RXD1 Drop excessive collision

packets Do not drop excessive

collision packets

JP32 SM3RXD0 Aggressive back off disable Aggressive back off enable

JP39 P1LED0 SW4-MII mode SW4-RMII mode

JP41 P1LED1 Device is clock mode when use

RMII interface Device is normal mode when

use RMII interface

JP42 P2LED0 SW3-MII mode SW3-RMII mode

JP47

3-pin Default is 1-2

close for DC

from 5V Jack

1-2 Close: 5V DC is from the

power jack of AC adapter 2-3 Close: 5V DC is from the

USB connector.

JP49

3-pin Default is 1-2

close for 3.3V 1-2 Close: Provide 3.3V to port

4 connector for external single

PHY eval board

2-3 Close: Provide 5V to port

4 connector for external single

PHY eval board

JP50

3-pin Default is 1-2

close for 3.3V 1-2 Close: Provide 3.3V to port

3 connector for external single

PHY eval board

2-3 Close: Provide 5V to port

3 connector for external single

PHY eval board

Table 2 Reserved Jumpers

Jumper Number Description Recommended Settings

JP19 SM4RXDV Open

JP28 SM3RXDV Open

JP34 SM3CRS Open

JP35 SM3COL Open

4.2 EEPROM Mode

The evaluation board has an EEPROM to allow the user to explore more extensive capabilities of

the KSZ8864. The user can conveniently program the EEPROM on board using the USB port from

any computer with a WIN 2000/XP environment and the Micrel provided software. This makes it

easy for the user to evaluate features like “broadcast storm protection” and “rate control”.

To prepare the KSZ8864 evaluation board for EEPROM configuration follow these steps:

1. Copy the Micrel provided EEPROM software to your computer.

2. Set JP3, JP4, JP5 and JP9 as specified in Table 3 for EEPROM mode configuration. Make sure

that the EEPROM is installed on the board.

Table 3 EEPROM Mode Settings

Jumper Description Setting

JP1 EEPROM Closed

JP2 EEPROM Closed

JP3 MDC Open

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JP4 MDIO Open

JP8 Serial Bus Config. (PS0) Open

JP9 Serial Bus Config. (PS1) Open

3. Connect the computer’s USB port to the KSZ8864 board with a USB port cable.

4. There are two way to power up the evaluation board:

a). Connect the 5 VDC power supply to the KSZ8864 when JP47 pin1-2 is closed.

b). 5 VDC power source from the USB port when JP47 pin 2-3 is closed.

5. The KSZ8864 will power up in its default configuration if there is no information in the

EEPROM.

6. Program the desired settings into the EEPROM using the Micrel software. See the software

description section 5.6 for details.

7. Press the manual reset button. The KSZ8864 will reset and read the new configuration in the

EEPROM. After reset, the KSZ8864 is ready for normal operation.

4.3 SPI Mode

From SPI interface to the KSZ8864, use a USB to SPI converter that allows accessing all of the

KSZ8864 features and registers. The user can easily access the SPI interface using a computer

connected to the evaluation board’s USB port interface. Micrel provides a Windows 2000/XP based

program for the user to evaluate the KSZ8864’s full feature set. In addition to all the control

registers available via EEPROM programming, a host CPU connected to the KSZ8864’s SPI

interface will be able to access all static MAC table, the VLAN table, dynamic MAC address table

and the MIB counters.

To prepare the KSZ8864 evaluation board for SPI mode configuration follow these steps:

1. Copy the Micrel provided SPI interface software on your computer.

2. Set JP3, JP4, JP5 and JP9 as specified in Table 4 for SPI mode configuration.

Table 4 SPI Mode Settings

Jumper Description Setting

JP1 EEPROM Open

JP2 EEPROM Open

JP3 MDC Open

JP4 MDIO Open

JP8 Serial Bus Config. (PS0) Open

JP9 Serial Bus Config. (PS1) Closed

3. Connect the computer’s USB port to the KSZ8864 board with a USB port cable.

4. Remove the EEPROM from the evaluation board. (Optional)

5. There are two ways to power up the evaluation board:

a). Connect the 5 VDC power supply to the KSZ8864 when JP47 pin1-2 is closed.

b). 5 VDC power source from the USB port when JP47 pin 2-3 is closed.

6. The KSZ8864 will power up initial default configuration with the start switch in register 1 bit 0

= ‘0’ which means the switch is “off”. You can set the bit 0 =’1’ to start switch.

KSZ8864 Evaluation Board User’s Guide

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7. Open the Windows and navigate to the directory where the Window SPI file is stored. Click its

icon to invoke the software.

8. Program the desired settings using the Micrel SPI interface software. See the software

operation description section 5.7 for details.

4.4 10/100 Ethernet Ports

There are two 10/100 Ethernet ports on the KSZ8864 evaluation board. The ports J1 and J2 can be

connected to a traffic generator/analyzer or a SmartBit via standard RJ45 connectors using CAT-5

cables. Each port can be used as either an uplink or downlink. All ports support auto MDI/MDIX so

there is no need for cross over cables.

J1 = RJ45 connector for port 1

J2 = RJ45 connector for port 2

4.5 LED indicators

Ethernet Port LEDs

There are two columns of LED indicators, one column for each of the two ports. The LED

indicators are programmable to two different modes. You can program the LED mode through a

strap in option on JP23 or in register 11, bit 1. The mode definitions are shown in Table 5. There are

three LEDs per port. The naming convention is “LEDx_y”, where “x” is the port number, and “y” is

the number of the LED for that port.

Table 5 LED Modes

Mode 0 Mode1

PxLED1 = Link/Act PxLED1 = 100Link/Act

PxLED0 = Speed PxLED0 = Full Duplex

P1LEDy are assigned to Port1

P2LEDy are assigned to Port2

Power LED

The board also has a power LED D3 for the 3.3V power supply. D3 LED indicates 3.3V Power on

and off.

Interrupt LED

The board also has an Interrupt LED D2 for the Link status change when set the interrupt mask

4.6 MII/RMII Port Configuration

There are two MII/RMII ports on the KSZ8864. One port connects to the port 4 MAC4 in the

KSZ8864, and we refer to it as the port 4 Switch SW4-MII/RMII port. The second MII/RMII port

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