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2017 Microchip Technology Inc. DS50002587A
EVB-KSZ9897Gigabit Ethernet Switch
Evaluation BoardUser’s Guide
DS50002587A-page 2 2017 Microchip Technology Inc.
Information contained in this publication regarding device applications and the like is provided only for your convenience and may besuperseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NOREPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OROTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE,MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Micro-chip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and holdharmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly orotherwise, under any Microchip intellectual property rights unless otherwise stated.
Trademarks
The Microchip name and logo, the Microchip logo, AnyRate, AVR, AVR logo, AVR Freaks, BeaconThings, BitCloud, CryptoMemory, CryptoRF, dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KEELOQ, KEELOQ logo, Kleer, LANCheck, LINK MD, maXStylus, maXTouch, MediaLB, megaAVR, MOST, MOST logo, MPLAB, OptoLyzer, PIC, picoPower, PICSTART, PIC32 logo, Prochip Designer, QTouch, RightTouch, SAM-BA, SpyNIC, SST, SST Logo, SuperFlash, tinyAVR, UNI/O, and XMEGA are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.
ClockWorks, The Embedded Control Solutions Company, EtherSynch, Hyper Speed Control, HyperLight Load, IntelliMOS, mTouch, Precision Edge, and Quiet-Wire are registered trademarks of Microchip Technology Incorporated in the U.S.A.
Adjacent Key Suppression, AKS, Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, BodyCom, chipKIT, chipKIT logo, CodeGuard, CryptoAuthentication, CryptoCompanion, CryptoController, dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM, ECAN, EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, JitterBlocker, KleerNet, KleerNet logo, Mindi, MiWi, motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PureSilicon, QMatrix, RightTouch logo, REAL ICE, Ripple Blocker, SAM-ICE, Serial Quad I/O, SMART-I.S., SQI, SuperSwitcher, SuperSwitcher II, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.
SQTP is a service mark of Microchip Technology Incorporated in the U.S.A.
Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries.
GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries.
All other trademarks mentioned herein are property of their respective companies.
© 2017, Microchip Technology Incorporated, All Rights Reserved.
ISBN: 978-1-5224-1527-5
Note the following details of the code protection feature on Microchip devices:
• Microchip products meet the specification contained in their particular Microchip Data Sheet.
• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions.
• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
• Microchip is willing to work with the customer who is concerned about the integrity of their code.
• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of ourproducts. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such actsallow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified.
QUALITYMANAGEMENTSYSTEMCERTIFIEDBYDNV
== ISO/TS16949==
EU Declaration of Conformity This declaration of conformity is issued by the manufacturer. The development/evaluation tool is designed to be used for research and development in a laboratory environment. This development/evaluation tool is not a Finished Appliance, nor is it intended for incorporation into Finished Appliances that are made commercially available as single functional units to end users under EU EMC Directive 2004/108/EC and as supported by the European Commission's Guide for the EMC Directive 2004/108/EC (8th February 2010). This development/evaluation tool complies with EU RoHS2 Directive 2011/65/EU. This development/evaluation tool, when incorporating wireless and radio-telecom functionality, is in compliance with the essential requirement and other relevant provisions of the R&TTE Directive 1999/5/EC and the FCC rules as stated in the declaration of conformity provided in the module datasheet and the module product page available at www.microchip.com. For information regarding the exclusive, limited warranties applicable to Microchip products, please see Microchip’s standard terms and conditions of sale, which are printed on our sales documentation and available at www.microchip.com. Signed for and on behalf of Microchip Technology Inc. at Chandler, Arizona, USA.
Object of Declaration: EVB-KSZ9897
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EVB-KSZ9897 User’s Guide
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EVB-KSZ9897EVALUATION BOARD
USER’S GUIDE
Table of Contents
Preface ........................................................................................................................... 7Introduction............................................................................................................ 7
Document Layout .................................................................................................. 7
Conventions Used in this Guide ............................................................................ 8
The Microchip Web Site ........................................................................................ 9
Development Systems Customer Change Notification Service ............................ 9
Customer Support ................................................................................................. 9
Document Revision History ................................................................................. 10
Chapter 1. Overview1.1 Introduction ................................................................................................... 111.2 References ................................................................................................... 121.3 Terms and Abbreviations ............................................................................. 12
Chapter 2. Board Details & Configuration2.1 Power ........................................................................................................... 13
2.1.1 +5V Power ................................................................................................. 13
2.2 Resets .......................................................................................................... 132.2.1 Power-on Reset ......................................................................................... 13
2.3 Clock ............................................................................................................ 132.4 Configuration ................................................................................................ 14
2.4.1 Switch Settings .......................................................................................... 152.4.2 Jumper Settings ........................................................................................ 152.4.3 SPI, I2C and MIIM Management ............................................................... 16
2.5 Using the EVB-KSZ9897 .............................................................................. 182.6 Mechanicals ................................................................................................. 18
Appendix A. EVB-KSZ9897 Evaluation BoardA.1 Introduction .................................................................................................. 19
Appendix B. EVB-KSZ9897 Evaluation Board SchematicsB.1 Introduction .................................................................................................. 21
Appendix C. Bill of Materials (BOM)C.1 Introduction .................................................................................................. 27
Worldwide Sales and Service .................................................................................... 32
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EVB-KSZ9897EVALUATION BOARD
USER’S GUIDE
Preface
INTRODUCTION
This chapter contains general information that will be useful to know before using EVB-KSZ9897. Items discussed in this chapter include:
• Document Layout
• Conventions Used in this Guide
• The Microchip Web Site
• Development Systems Customer Change Notification Service
• Customer Support
• Document Revision History
DOCUMENT LAYOUT
This document describes how to use the EVB-KSZ9897 as a development tool for the Microchip EVB-KSZ9897 gigabit Ethernet switch. The manual layout is as follows:
• Chapter 1. “Overview” – Shows a brief description of the EVB-KSZ9897.
• Chapter 2. “Board Details & Configuration” – Includes details and instructions for using the EVB-KSZ9897.
• Appendix A. “EVB-KSZ9897 Evaluation Board” – This appendix shows the EVB-KSZ9897.
• Appendix B. “EVB-KSZ9897 Evaluation Board Schematics” – This appendix shows the EVB-KSZ9897 schematics.
• Appendix C. “Bill of Materials (BOM)” – This appendix includes the EVB-KSZ9897 Bill of Materials (BOM).
NOTICE TO CUSTOMERS
All documentation becomes dated, and this manual is no exception. Microchip tools and documentation are constantly evolving to meet customer needs, so some actual dialogs and/or tool descriptions may differ from those in this document. Please refer to our web site (www.microchip.com) to obtain the latest documentation available.
Documents are identified with a “DS” number. This number is located on the bottom of each page, in front of the page number. The numbering convention for the DS number is “DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the document.
For the most up-to-date information on development tools, see the MPLAB® IDE online help. Select the Help menu, and then Topics to open a list of available online help files.
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EVB-KSZ9897 User’s Guide
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION CONVENTIONS
Description Represents Examples
Arial font:
Italic characters Referenced books MPLAB® IDE User’s Guide
Emphasized text ...is the only compiler...
Initial caps A window the Output window
A dialog the Settings dialog
A menu selection select Enable Programmer
Quotes A field name in a window or dialog
“Save project before build”
Underlined, italic text with right angle bracket
A menu path File>Save
Bold characters A dialog button Click OK
A tab Click the Power tab
N‘Rnnnn A number in verilog format, where N is the total number of digits, R is the radix and n is a digit.
4‘b0010, 2‘hF1
Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>
Courier New font:
Plain Courier New Sample source code #define START
Filenames autoexec.bat
File paths c:\mcc18\h
Keywords _asm, _endasm, static
Command-line options -Opa+, -Opa-
Bit values 0, 1
Constants 0xFF, ‘A’
Italic Courier New A variable argument file.o, where file can be any valid filename
Square brackets [ ] Optional arguments mcc18 [options] file [options]
Curly brackets and pipe character: { | }
Choice of mutually exclusive arguments; an OR selection
errorlevel {0|1}
Ellipses... Replaces repeated text var_name [, var_name...]
Represents code supplied by user
void main (void){ ...}
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Preface
THE MICROCHIP WEB SITE
Microchip provides online support via our web site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web site contains the following information:
• Product Support – Data sheets and errata, application notes and sample programs, design resources, user’s guides and hardware support documents, latest software releases and archived software
• General Technical Support – Frequently Asked Questions (FAQs), technical support requests, online discussion groups, Microchip consultant program member listing
• Business of Microchip – Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representatives
DEVELOPMENT SYSTEMS CUSTOMER CHANGE NOTIFICATION SERVICE
Microchip’s customer notification service helps keep customers current on Microchip products. Subscribers will receive e-mail notification whenever there are changes, updates, revisions or errata related to a specified product family or development tool of interest.
To register, access the Microchip web site at www.microchip.com, click on Customer Change Notification and follow the registration instructions.
The Development Systems product group categories are:• Compilers – The latest information on Microchip C compilers, assemblers, linkers
and other language tools. These include all MPLAB C compilers; all MPLAB assemblers (including MPASM assembler); all MPLAB linkers (including MPLINK object linker); and all MPLAB librarians (including MPLIB object librarian).
• Emulators – The latest information on Microchip in-circuit emulators.This includes the MPLAB REAL ICE and MPLAB ICE 2000 in-circuit emulators.
• In-Circuit Debuggers – The latest information on the Microchip in-circuit debuggers. This includes MPLAB ICD 3 in-circuit debuggers and PICkit 3 debug express.
• MPLAB IDE – The latest information on Microchip MPLAB IDE, the Windows Integrated Development Environment for development systems tools. This list is focused on the MPLAB IDE, MPLAB IDE Project Manager, MPLAB Editor and MPLAB SIM simulator, as well as general editing and debugging features.
• Programmers – The latest information on Microchip programmers. These include production programmers such as MPLAB REAL ICE in-circuit emulator, MPLAB ICD 3 in-circuit debugger and MPLAB PM3 device programmers. Also included are nonproduction development programmers such as PICSTART Plus and PIC-kit 2 and 3.
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
• Distributor or Representative
• Local Sales Office
• Field Application Engineer (FAE)
• Technical Support
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EVB-KSZ9897 User’s Guide
Customers should contact their distributor, representative or field application engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document.
Technical support is available through the web site at: http://www.microchip.com/support
DOCUMENT REVISION HISTORY
Revision A (March 2017)
• Initial Release of this Document.
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EVB-KSZ9897EVALUATION BOARD
USER’S GUIDE
Chapter 1. Overview
1.1 INTRODUCTION
The EVB-KSZ9897 evaluation board features three Gigabit Ethernet products, KSZ9897R, KSZ9031RNX and LAN7801. The KSZ9897R is a seven-port managed gigabit Ethernet switch. It has five 10BASE-Te/100BASE-TX/1000BASE-T physical layer transceivers (PHYs) and associated MAC units, and two MAC ports with individ-ually configurable RGMII/MII/RMII interfaces. These two ports can be used for direct connection to a host Microprocessor or Microcontroller, another Ethernet switch or an Ethernet PHY.
KSZ9031 is a single chip 10/100/1000 Mbps IEEE 802.3 compliant Ethernet PHY. This demonstration board features the RGMII variant, KSZ9031RNX, of the KSZ9031 fam-ily. This feature-rich device offers diagnostic features, such as, LinkMD®, Parametric NAND tree and loopback functions to facilitate system bring-up and debugging in prod-uct testing and deployment. The on-chip termination resistors for the four differential pairs reduce the total board cost.
LAN7801 is a USB 3.1 to 10/100/1000 Gigabit Ethernet bridge with integrated OTP and EEPROM controller. The internal USB controller and USB PHY are compliant with the USB 3.1 Gen 1 SuperSpeed standard that implements Control, Interrupt, Bulk-in, and Bulk-out USB Endpoints. The Ethernet controller is compliant with the IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, and 802.3az (Energy Efficient Ethernet) standards. The device provides multiple power management features, including Energy Efficient Ether-net (IEEE 802.3az), support for Microsoft's Always On Always Connected (AOAC), and “Magic Packet”, “Wake On LAN”, and “Link Status Change” wake events.
An external clock, DSC400, is used on this board to provide very low jitter clock pulses to the KSZ9897, LAN7801 and KSZ9031 Gigabit Ethernet controllers. The DSC400 is a four output crystal-less™ clock generator. It utilizes MEMS technology to provide excellent jitter and stability while providing excellent shock and vibration immunity. The device outputs wide frequency range of 2.3 MHz to 460 MHz with high noise rejection of -50 dbC. The DSC400 provides two independent select lines for choosing between two sets of pre-configured frequencies per bank. It also has two Output Enable pins to allow for enabling and disabling outputs.
On this board, the KSZ9897R Ethernet switch's five ports, 1 through 5, are connected directly to RJ45 Ethernet jacks with integrated magnetics which are available to use with any Ethernet devices. The rest of the two MAC ports are configured as RGMII interfaces. Port 6 is connected to a KSZ9031 Gigabit Ethernet PHY and an RJ45 Ether-net jack with integrated magnetics and port 7 is connected to a LAN7801 USB-to-Ether-net bridge and a USB connector.
The scope of this document is to describe the EVB-KSZ9897 evaluation board setup, which includes RGMII, SPI and I2C interface and corresponding jumper configurations. A simplified block diagram of the board is shown in Figure 1-1.
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EVB-KSZ9897 User’s Guide
FIGURE 1-1: KSZ9897 BLOCK DIAGRAM
1.2 REFERENCES
Concepts and material available in the following documents will be helpful when read-ing this document. Visit www.microchip.com for the latest documentation.
• KSZ9897R Data Sheet
• KSZ9031RNX Data Sheet
• LAN7801 Data Sheet
• EVB-KSZ9897 Schematic
• DSC400 Data Sheet
1.3 TERMS AND ABBREVIATIONS
EVB - Evaluation Board
MII - Media Independent Interface
MIIM - Media Independent Interface Management, also known as MDIO/MDC
RGMII - Reduced Gigabit Media Independent Interface
I2C - Inter Integrated Circuit
SPI - Serial Protocol Interface
PHY - Physical Transceiver
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EVB-KSZ9897EVALUATION BOARD
USER’S GUIDE
Chapter 2. Board Details & Configuration
This section includes sub-sections on the following KSZ9897 details:
• Power
• Resets
• Clock
• Configuration
• Mechanicals
2.1 POWER
2.1.1 +5V Power
A 5V/2A power supply should be connected to J7 on the board. The SW2 switch must be in the ON position to power the board. The F1 fuse is provided on the board for the over voltage protection.
2.2 RESETS
2.2.1 Power-on Reset
There are three jumpers, J15, J21 and J23, available for configuring the various reset options for the chips. Unless experimentation with reset is required, it is suggested to use the default configurations highlighted in bold text in the tables below. With these default settings, pressing the SW1 reset button will reset all three devices (KSZ9897, KSZ9031 and LAN7801). By changing the jumpers, the effect of SW1 can be limited to a subset of the three devices.
2.3 CLOCK
The evaluation board utilizes an external clock, DSC400, which provides 25 MHz 25 ppm clock to the KSZ9897, LAN7801 and KSZ9031. It also provides 125 MHz to the LAN7801.
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EVB-KSZ9897 User’s Guide
2.4 CONFIGURATION
The following sub-sections describe the various board features and configuration set-tings. A top view of the KSZ9897 is shown in Figure 2-1.
FIGURE 2-1: KSZ9897 TOP VIEW WITH CALLOUTS
KSZ989
7
RJ45(with
Magnetics)
Port 5 Port 1 Port 2 Port 3 Port 4 Port 6
KSZ903
1
LAN78
01Power
Strap
Switc
hLA
N78
01GPIO
KSZ989
7Po
rt6
RGMIIExternal
Access
USB EEPROMKSZ9031MIIMExternalAccess
KSZ9897 Port 7RGMII ExternalAccess
Clock
AARD
VARK
/SPI/
I2CInterface
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Board Details & Configuration
2.4.1 Switch Settings
SW4 is an eight-position switch which controls many of the KSZ9897 configuration strap options. The KSZ9897 samples these signals at the rising edge of RESET_N to determine some internal settings. Following reset, the configuration of these switches is irrelevant. For initial bring-up, leave most switches in the OFF/OPEN position.
2.4.1.1 KSZ9897 MANAGEMENT INTERFACE MODE
The management interface can be configured to be SPI, I2C or MIIM (a.k.a. MDC/MDIO). This is controlled by switches 1 and 7 of SW4.
Table 2-1 details the switch configuration for the management interface mode.
2.4.1.2 OTHER SWITCH SETTINGS
Please refer the device data sheet for the detailed configuration strap settings.
2.4.2 Jumper Settings
Table 2-2, Table 2-3 and Table 2-4 describe the jumper settings. The preferred config-uration is shown in bold text.
TABLE 2-1: MANAGEMENT INTERFACE MODE
SW4.7 (LED4_1) SW4.1(LED3_1) Mode
On On MDIO
On Off I2C
Off Don’t Care SPI
TABLE 2-2: TWO-PIN JUMPERSJumper Label Description Open Closed
J16 P6 100 Mbps KSZ9897 Port 6 RGMII speed configu-ration strap setting. The setting of this jumper takes effect only after reset. This setting must match the actual link speed of port 6.The KSZ9897 port 6 speed can also be set via the SPI or I2C interface by writ-ing to registers 0x6300 (bit 4) and 0x6301 (bit 6). See the data sheet for details. This method is required when the port 6 link speed is 10 Mbps.
1000 Mbps 100 Mbps
J18 IBA Enable Enable KSZ9897 In-Band-Manage-ment (IBA) (Configuration strap)
Disabled (Default)
Enabled
J28 EEPROM CS Enable external EEPROM for LAN7801 Disabled Enabled
TABLE 2-3: THREE-PIN JUMPERSJumper Label Description Jumper 1-2 Jumper 2-3
J6 PWR SEL Board power source: 5V barrel connector or USB
Power from barrel jack
USB powered (not recom-mended)
J8 VDET SEL LAN7801 USB Vbus detect Board +3.3V Vbus from USB connec-tor (Default)
J11 PME Mode SEL
LAN7801 PME Mode input pin High (Default)
Low
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EVB-KSZ9897 User’s Guide
2.4.3 SPI, I2C and MIIM Management
External access to the KSZ9031 MIIM bus is available via header J17 as outlined in the table above. External access to the KSZ9897 (either SPI, I2C or MIIM) is available via header J22 as outlined in Table 2-4. If both connections are needed simultaneously, it will be necessary to remove resistor R95. Please visit Table 2-5 and Table 2-6 for I2C and SPI connections.
J21 LAN7801 RESET SEL
LAN7801 Reset input source Master SW1 & RC Circuit (Default)
Alternate RC circuit
J23 KSZ9897 RESET SEL
KSZ9031 Reset input source Master SW1 & RC circuit
LAN7801 Reset output (Default)
J24 KSZ9897 MDIO enable
Install these jumpers to allow the KSZ9897 MIIM interface (together with the KSZ9031 MIIM interface) to be accessible from the LAN7801 or from J17. If the KSZ9897 management port is con-figured for SPI or I2C, do not install these jumpers.
J25 KSZ9897 MDC enable
TABLE 2-4: MULTI-PIN HEADERS
Jumper Label Description Configuration
J15 KSZ9031 RESET SEL
KSZ9031 Reset input source 3x2 header
Install a jumper on one of the three pairs only:1-2: LAN7801 Reset output (Default)3-4: Master SW1 & RC circuit5-6: Alternate RC circuit
J17 MDIO/MDC ISO KSZ9031 MIIM (MDC/MDIO) external access and jumpers 4hx2 header
Install jumpers 3-4 and 5-6 to access the KSZ9031 MIIM bus from the LAN7801. (Not cur-rently available)For external access to KSZ9031 MIIM bus, install only jumper 2-4, and use pins 1,3,5 and 7 for external connection.
J14 GPIO LAN7801 GPIO pins 8x1 header
Provides access to the GPIO pins of the LAN7801. No jump-ers.
J22 AARDVARK KSZ9897 SPI/I2C header for external access 5x2 header
Supports Aardvark (TTP100005 - Total Phase Aardvark I2C/SPI Host Adapter) and Cheetah (TTP100004 - Total Phase Cheetah SPI Host Adapter) from Totalphase.
TABLE 2-5: I2C
I2C Signal Connector Pin
SDA J22.3 and/or J22.8
SCL J22.7 (R126 not currently installed)
GND J22.2 and/or J22.10
TABLE 2-3: THREE-PIN JUMPERS (CONTINUED)Jumper Label Description Jumper 1-2 Jumper 2-3
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Board Details & Configuration
FIGURE 2-2: SPI/AARDVARK HEADER
TABLE 2-6: SPI
SPI Signal Connector Pin
MISO J22.5
MOSI J22.8
SCK J22.7
SS J22.9
GND J22.2 and/or J22.10
Note: Communication formats and register details are provided in the device data sheets. Note that SPI or I2C provide access to all KSZ9897 registers, but MIIM does not. It only provides access to the PHY registers of the switch.
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EVB-KSZ9897 User’s Guide
2.5 USING THE EVB-KSZ9897
The EVB-KSZ9897 board can be used to connect up to 7 Ethernet devices using 6 Ethernet ports and 1 USB port.
For example, connect a PC (PC1) on port 1 and another PC (PC2) to port 2. Configure both PCs for STATIC IP address using the Ethernet interface’s properties windows. Then, run a simple PING command to test communication between the two PCs. Lastly, connect PC2 to the USB port, port 7, on the board.
A user can access the KSZ9897 switch's internal registers by connecting Aardvark I2C/SPI host adapter to jumper 22. The adapter is available to purchase from MicrochipDirect.com web site (part number TTP100005).
2.6 MECHANICALS
FIGURE 2-3: KSZ9897 MECHANICAL DIMENSIONS
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EVB-KSZ9897EVALUATION BOARD
USER’S GUIDE
Appendix A. EVB-KSZ9897 Evaluation Board
A.1 INTRODUCTION
This appendix shows the EVB-KSZ9897 Evaluation Board.
FIGURE A-1: EVB-KSZ9897 EVALUATION BOARD
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EVB-KSZ9897EVALUATION BOARD
USER’S GUIDE
Appendix B. EVB-KSZ9897 Evaluation Board Schematics
B.1 INTRODUCTION
This appendix shows the EVB-KSZ9897 Evaluation Board Schematics.
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B-K
SZ
9897 User’s G
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23
SW1
DIO2v5
"SW Reset"
SW_RESET_N 2, 4, 5
VDDIO2v5
1kR81
0.1uFC45
2 4VCC
5
GND
3
VCC
GNDD
C
D
U14
74LVC1G14GW,125 Br Red
D6
SPI / Aardvark
SDA/MDIO
0RDNP R1260RR127
0RR128 0RR129
3V3_Board
"9897 SPI Activity"
1kR96
0.1uFC31
Blue
D32 4VCC
5
GND
3
VCC
GNDD
C
D
U2
74LVC1G14GW,125
10kR92
2v5
10kDNP
R94
1 23 45 67 89 10
J22
Header 5x2 Shrouded
SP_CLK
I2C_SDA
I2C_SCL
10kR45
10uF6.3V
C73
2.05kR93
SP_MOSI
FIGURE B-1: KSZ9897 FUNCTIONAL
LED4_13LED4_03
LED5_03LED5_13
LED2_13LED2_03
LED1_13LED1_03
6.04k1%
R108
Strapping Options
LED1_0LED1_1
LED2_0LED2_1
LED3_0LED3_1
LED4_0LED4_1
LED5_0LED5_1
KSZ9897R
TXRX1P_A1
TXRX1M_A2
TXRX1P_B4
TXRX1M_B5
TXRX1P_C6
TXRX1M_C7
TXRX1P_D8
TXRX1M_D9
TXRX2P_A12
TXRX2M_A13
TXRX2P_B15
TXRX2M_B16
TXRX2P_C17
TXRX2M_C18
TXRX2P_D20
TXRX2M_D21
TXRX3P_A24
TXRX3M_A25
TXRX3P_B26
TXRX3M_B27
TXRX3P_C28
TXRX3M_C29
TXRX3P_D31
TXRX3M_D32
TXRX4P_A34
TXRX4M_A35
TXRX4P_B37
TXRX4M_B38
TXRX4P_C39
TXRX4M_C40
TXRX4P_D42
TXRX4M_D43
TX_CLK6/REFCLKI6 48
TX_EN6/TX_CTL6 49
TX_ER6 50
COL6 51
TXD6_3 52
TXD6_2 53
TXD6_1 54
TXD6_0 55
RX_CLK6/REFCLKO6 57
RX_DV6/CRS_DV6/RX_CTL6 58
RX_ER6 59
CRS6 60
RXD6_3 62
RXD6_2 63
RXD6_1 64
RXD6_0 65
TX_CLK7/REFCLKI7 66
TX_EN7/TX_CTL7 67
TX_ER7 68
COL7 69
TXD7_3 70
TXD7_2 71
TXD7_1 72
TXD7_0 73
RX_CLK7/REFCLKO7 75
RX_DV7/CRS_DV7/RX_CTL7 76
RX_ER7 78
CRS7 79
RXD7_3 80
RXD7_2 81
RXD7_1 82
RXD7_0 83
TXRX5P_A112
TXRX5M_A113
TXRX5P_B115
TXRX5M_B116
TXRX5P_C117
TXRX5M_C118
TXRX5P_D120
TXRX5M_D121
LED4_085
LED4_186
LED3_088
LED3_189
LED2_091
LED2_192
LED5_0102
LED5_1103
LED1_0105
LED1_1106
MII
/RM
II/R
GM
II
CLK
SPI
CO
NTR
OL
PME_N 93
INTRP_N 94
CLKO_25__125 95
RESET_N 96
SDO 97
SDI/SDA/MDIO 98
SCS_N 100
SCL/MDC 101
XO 125
XI 126
ISET 127
U3A
XO
PHY_INT_NPME_N
P1_TXRXA_P3P1_TXRXA_N3P1_TXRXB_P3P1_TXRXB_N3P1_TXRXC_P3P1_TXRXC_N3P1_TXRXD_P3P1_TXRXD_N3
P2_TXRXA_P3P2_TXRXA_N3P2_TXRXB_P3P2_TXRXB_N3P2_TXRXC_P3P2_TXRXC_N3P2_TXRXD_P3P2_TXRXD_N3
LED3_13LED3_03
P3_TXRXA_P3P3_TXRXA_N3P3_TXRXB_P3P3_TXRXB_N3P3_TXRXC_P3P3_TXRXC_N3P3_TXRXD_P3P3_TXRXD_N3
P4_TXRXA_P3P4_TXRXA_N3P4_TXRXB_P3P4_TXRXB_N3P4_TXRXC_P3P4_TXRXC_N3P4_TXRXD_P3P4_TXRXD_N3
P5_TXRXA_P3P5_TXRXA_N3P5_TXRXB_P3P5_TXRXB_N3P5_TXRXC_P3P5_TXRXC_N3P5_TXRXD_P3P5_TXRXD_N3
(default = all LEDs low)
P6_TXD3 4P6_TXD2 4P6_TXD1 4P6_TXD0 4
P6_RXD3 4P6_RXD2 4P6_RXD1 4P6_RXD0 4
P7_TXD3 5P7_TXD2 5P7_TXD1 5P7_TXD0 5
P7_RXD3 5P7_RXD2 5P7_RXD1 5P7_RXD0 5
VD
1kR40
1kR39
KSZ9897_25MHZ 50RR106
XI 0RDNPR102
0RDNPR105
MISO
KSZ_RESET_N
P6_TX_CTL 4
P6_TXC 4
P6_RX_CTL 4P6_RXC 4
P7_TX_CTL 5
P7_TXC 5
P7_RX_CTL 5P7_RXC 5
ISET
PHY_INT_N 5
Place all termination close to 9897
MDC 4, 5
MDIO 4, 5
i RGMII
PHY_RESET_N_OUT 4, 5
12
3
J23
1-2 Reset from Push Button2-3 Reset from LAN7801
9897 Reset Select
SW_RESET_N 2, 4, 5
Place Reset ckt close to 9897
P7_RXD3_R
P6_TXD3 4P6_TXD2 4P6_TXD1 4P6_TXD0 4
P6_RXD3 4P6_RXD2 4P6_RXD1 4P6_RXD0 4
P7_TXD3 5P7_TXD2 5P7_TXD1 5P7_TXD0 5
P7_RXD3 5P7_RXD2 5P7_RXD1 5P7_RXD0 5
P6_TX_CTL 4
P6_TXC 4
P6_RX_CTL 4P6_RXC 4
P7_TX_CTL 5
P7_TXC 5
P7_RX_CTL 5P7_RXC 5
P7_RXD3_R
SCL/MDC
SDA/MDIOSCS_N
VDDIO2v51 2
J16
P7_RXD2_RP7_RXD1_RP7_RXD0_R
P7_RXC_RP7_RX_CTL_R
P6_RXD3_RP6_RXD2_RP6_RXD1_RP6_RXD0_R
P6_RXC_RP6_RX_CTL_R
1kR83
VDDIO2v51 2
J181kR91
Prt 7: LAN7801
Prt 6: KSZ9031
Optional
15pFC167
15pFC168DNP25MHz
1
Y3
MISO
SCS_N
SCL/MDC
SDA/MDIO
VDDIO
22RR7522RR76
22RR7722RR7822RR8022RR82
22RR2522RR26
22RR2722RR2822RR3022RR35
LED2_0
LED4_0
LED1_0
LED1_1
LED2_1
LED4_1
LED5_1
23
16
45
1
6
1514131211
7 108 9
SW4
SPST 8POS
1kR1001kR1041kR981kR991kR1011kR1091kR113
1kR103LED3_1
1 2J24
1 2J25
RGMII layout requirements1. Match trace legths within 100 mils.2. RX signals do not need to be length matched to TX signals.3. Due to KSZ9897 port 6 RGMII setup time requirement, P6_TXC must be routed for additional 1.2ns delay relative to P6_TXD[3:0] and P6_TX_CTL.The amount of required extra delay may differ for different VDDIO voltageor for a different device driving the signals.4. Alternatively, the additional P6_TXC trace delay is not needed if theRGMII ingress delay bit is set in the KSZ9897: bit 4 in register 0x6301.
EV
B-K
SZ
9897 Evalu
ation
Bo
ard S
chem
atics
2017
Microchip T
echnology Inc.D
S5
0002587A-p
age 23
FIG
URE B-2: RJ45 MAGJACK CONNECTORSGA1 14GC113GREEN (LINK/ACT)
SHIELD1 0
GA2 16GC215
GREEN (Duplex/Collision)
TRD1-10 TRCT112 TRD1+11
TRD4-9 TRCT47 TRD4+8
TRD2-5 TRCT26 TRD2+4
TRD3-2 TRCT31 TRD3+3
J2
RJ45 Magjack
GA1 14GC113GREEN (LINK/ACT)
SHIELD1 0
GA2 16GC215
GREEN (Duplex/Collision)
TRD1-10 TRCT112 TRD1+11
TRD4-9 TRCT47 TRD4+8
TRD2-5 TRCT26 TRD2+4
TRD3-2 TRCT31 TRD3+3
J3
RJ45 Magjack
GA1 14GC113GREEN (LINK/ACT)
SHIELD1 0
GA2 16GC215
GREEN (Duplex/Collision)
TRD1-10 TRCT112 TRD1+11
TRD4-9 TRCT47 TRD4+8
TRD2-5 TRCT26 TRD2+4
TRD3-2 TRCT31 TRD3+3
J1
RJ45 Magjack
GA1 14GC113GREEN (LINK/ACT)
SHIELD1 0
GA2 16GC215
GREEN (Duplex/Collision)
TRD1-10 TRCT112 TRD1+11
TRD4-9 TRCT47 TRD4+8
TRD2-5 TRCT26 TRD2+4
TRD3-2 TRCT31 TRD3+3
J4
RJ45 Magjack
LED4_12
LED4_02
LED3_12
LED3_02
LED5_02
LED5_12LED2_12
LED2_02
LED1_12
LED1_02
LED1_1
LED1_0
0.1uFC2
0.1uFC4
0.1uFC6
0.1uFC8
LED4_1
LED4_0
0.1uFC1
0.1uFC3
0.1uFC5
0.1uFC7
LED5_1
LED5_0
0.1uFC10
0.1uFC12
0.1uFC14
0.1uFC16
LED2_1
LED2_0
0.1uFC9
0.1uFC11
0.1uFC13
0.1uFC15
LED3_1
LED3_0
0.1uFC22
0.1uFC23
0.1uFC24
0.1uFC25
EARTH_ETH
VDDIO2v5
VDDIO2v5
EARTH_ETH
EARTH_ETHEARTH_ETH
VDDIO2v5
VDDIO2v5
EARTH_ETH
GA1 14GC113GREEN (LINK/ACT)
SHIELD1 0
GA2 16GC215
GREEN (Duplex/Collision)
TRD1-10 TRCT112 TRD1+11
TRD4-9 TRCT47 TRD4+8
TRD2-5 TRCT26 TRD2+4
TRD3-2 TRCT31 TRD3+3
J5
RJ45 Magjack
PORT 1
PORT 2
PORT 3
PORT 4
PORT 5
P1_TXRXA_P2
P1_TXRXA_N2P1_TXRXB_P2
P1_TXRXB_N2P1_TXRXC_P2
P1_TXRXC_N2P1_TXRXD_P2
P1_TXRXD_N2
P2_TXRXA_P2
P2_TXRXA_N2P2_TXRXB_P2
P2_TXRXB_N2P2_TXRXC_P2
P2_TXRXC_N2P2_TXRXD_P2
P2_TXRXD_N2
P3_TXRXA_P2
P3_TXRXA_N2P3_TXRXB_P2
P3_TXRXB_N2P3_TXRXC_P2
P3_TXRXC_N2P3_TXRXD_P2
P3_TXRXD_N2
P4_TXRXA_P2
P4_TXRXA_N2P4_TXRXB_P2
P4_TXRXB_N2P4_TXRXC_P2
P4_TXRXC_N2P4_TXRXD_P2
P4_TXRXD_N2
P5_TXRXA_P2
P5_TXRXA_N2P5_TXRXB_P2
P5_TXRXB_N2P5_TXRXC_P2
P5_TXRXC_N2P5_TXRXD_P2
P5_TXRXD_N2
iPower
VDDIO2v5
VDDIO2v5
VDDIO2v5
VDDIO2v5
VDDIO2v5
VDDIO2v5
1000 pF
2 kV
C95
100R
R1
100R
R2
100R
R4100R
R3
100R
R5
100R
R6
100R
R7
100R
R8
100R
R9
100R
R15
EV
B-K
SZ
9897 User’s G
uid
e
DS
50002587A
-page 24
2017 M
icrochip Technolo
gy Inc.
MDIO/YellowMDIO/GreenMDC/OrangeGND/Black
1 23 45 67 8
J17
Header 4x2
Default:short 3-4 &short 5-6
10kR65
10kR6610k
R64
10kR68
1kDNP
R701kDNP
R71
Mode3 Mode2 Mode1 Mode0
Mode [3:0] Description1100 1000BT Full-duplex only (RGMII)1101 1000BT Full and half duplex mode (RGMII)1110 10/100/1000BT Full duplex mode (RGMII)1111 10/100/1000BT Full and half mode (RGMII)
1KR79
CLK125_ENPD=Disable
AVDDH
DVDDH
VDDL
PLLDVDDL
DNP
1 23 45 67 89 10
11 12
J12
Port 6 RGMII (TX)
Port 6 RGMII (RX)
P6_TXD3P6_TXD2 P6_TXD12, 4 P6_TXD02, 4
se to 9031
1KR79
CLK125_ENPD=Disable
P6_TX_CTL 2, 4
MDC 2, 5MDIO 2, 5
iRGMII
10kR85
10kR86
1kDNP
R881kDNP
R90
9031_LED2 9031_LED1
PHYAD2 PHYAD1 PHYAD0
P6_TXC2, 4
10kR84
Address: 111
P6_RX_CTL2, 4P6_RXC2, 4P6_RXD32, 4P6_RXD22, 4P6_RXD12, 4P6_RXD02, 4
DNP
123456789101112
J10
P6_TX_CTL2, 4P6_TXC2, 4
P6_TXD32, 4P6_TXD22, 4P6_TXD12, 4P6_TXD02, 4
DVDDH
DVDDH
12pFR89
capacitor is _TXD3 setup6_TXC.
nches longer thanis board, but this
9897 port 6
FIGURE B-3: KSZ9031 FUNCTIONAL
AVDDLAVDDH
AVDDL_PLL
DVDDHDVDDL
P6_RXD3 2, 4
P6_RXD2 2, 4
P6_RXD1 2, 4
P6_RXD0 2, 4
P6_RXC 2, 4
10kR72
Single LED Mode
1-2 Reset from LAN78013-4 Reset from Push Button5-6 Reset from R/C
12.1kR73
EARTH_ETH
PORT 6
LED1
0.1uFC118
0.1uFC119
0.1uFC120
0.1uFC122
GA114 GC1 13GREEN (LINK/ACT)
SHIELD10
GA216 GC2 15
GREEN (Duplex/Collision)
TRD1- 10TRCT1 12TRD1+ 11
TRD4- 9TRCT4 7TRD4+ 8
TRD2- 5TRCT2 6TRD2+ 4
TRD3- 2TRCT3 1TRD3+ 3
J20
RJ45 Magjack
LED2
220R
FB14
220R
FB16
2V5_Board
4.7uF6.3V
C1080.1μF35V
C1100.1μF35V
C109
4.7uF6.3V
C1230.1μF35V
C1250.1μF35V
C124
220R
FB111V2_Board
4.7uF6.3V
C1060.1μF35V
C107
AVDDL
AVDDL_PLL
220R
FB15
4.7uF6.3V
C1110.1μF35V
C1130.1μF35V
C112
DVDDL
0.1μF35V
C1150.1μF35V
C1140.1μF35V
C1170.1μF35V
C116
AVDDH
220R
FB17
4.7uF6.3V
C1260.1μF35V
C1280.1μF35V
C1270.1μF35V
C129
DVDDH
9031 Reset Select
KSZ9031_25MHZ5
1kR74
DVDDH
iPower
EARTH6
A
AVDDL_
Optional
0RR32
0R
DNP
R38
0R
DNP
R33 9031_XIXI_R
XO_R
2, 42, 4
Place Reset ckt close to 9031
Place termination clo
1 23 45 6
J15
SW_RESET_N2, 5PHY_RESET_N_OUT2, 5
1.0μFC17
100kR69
15pFC130
15pFC131
9031_MDIO 9031_MDIO
9031_LED2LED2
9031_LED1LED1
P6_TXRXD_P
P6_TXRXA_PP6_TXRXA_N
P6_TXRXB_NP6_TXRXC_P
P6_TXRXB_P
P6_TXRXC_N
P6_TXRXD_N
9031_XO
9031_RESET_N
P6_RX_CTL 2, 4
22R48P6_TXD3 2, 4P6_TXD2 2, 4P6_TXD2_R
P6_TXD3_R
22R4222R4122R34
22R20
P6_TX_CTL_RP6_TXD0_RP6_TXD1_R
9031_MDCP6_TXC_R P6_TXC 2, 4
P6_TXD0 2, 4P6_TXD1 2, 4
9031_MDC
LED_MODE
DNP25MHz
1
Y2
KSZ9031RNXCC
AVDDH1
TXRAP_A2
TXRAM_A3
AVDDL4
TXRXM_B6 TXRXP_B5
TXRXP_C7
TXRXM_C8
AVDDL9
TXRXP_D10
TXRXM_D11
AVDDH12
NC
13
DV
DD
L14
LED
2/PH
YA
D1
15
DV
DD
H16
LED
1/PH
YA
D0/
PME_
N1
17
DV
DD
L18
TXD
019
TXD
120
TXD
221
TXD
322
DV
DD
L23
GTX
_CLK
24
TX_EN 25DVDDL 26RXD3/MODE3 27RXD2/MODE2 28VSS 29DVDDL 30RXD1/MODE1 31RXD0/MODE0 32RX_DV/CLK125_EN 33DVDDH 34RX_CLK/PHYAD2 35MDC 36
MD
IO37
INT_
N/P
ME_
N2
38D
VD
DL
39D
VD
DH
40C
LK12
5O/L
ED_M
OD
E41
RES
ET_N
42LD
O_O
43A
VD
DL_
PLL
44X
O45
XI
46N
C47
ISET
48
P_G
ND
49KSZ9031RNXCCPaddle Ground (Chip Bottom)(QFN48)
U8
2.05kR24
DVDDH
DVDDH
DVDDH
100RR87
100RR124
0RR49
R49 is reduced to 0 ohms, andinstalled at R89 to improve P6time at KSZ9897 relative to P
Reason: P6_TXC is routed 5 ithe other P6_TX signals on thadded delay is insufficient.
See note on sheet 2 about KSZRGMII signal routing.
EV
B-K
SZ
9897 Evalu
ation
Bo
ard S
chem
atics
2017
Microchip T
echnology Inc.D
S5
0002587A-p
age 25
FIG
2k1%
R19
1uF16V
C136
TP4Mini Black
0R
0R
P
XTT
DSC400-1111Q0085KI1
2.3MHz - 460MHz
VDD2 9
VSS3
OE11
NC2
VSS4
CLK0-5
CLK0+6 CLK1- 7
CLK1+ 8
VDD119
VSS 13
VSS 14
OE2 11
CLK2- 15
CLK2+ 16CLK3-17
CLK3+18
FSB120 FSB2 10
NC 12
ePAD21
X10.1μFC260.1μFC19
10k
DNP
R11 10k
DNP
R12
0RR14
5V_Barrel5V_Barrel_F5V_Barrel_Sw
VBUS
iPower
5V_Barrel5V_Barrel_F5V_Barrel_Sw
VBUS
CLK125
VDDVARIO
10k
EARTH7
0RR111
0RR107 0RR110
P7_TX_CTL2, 5
P7_TXD32, 5P7_TXD22, 5P7_TXD12, 5P7_TXD02, 5
P7_TXC2, 5
DNP
1 23 45 67 89 10
11 12
J19
P7_RX_CTL2, 5
P7_RXD32, 5P7_RXD22, 5P7_RXD12, 5P7_RXD02, 5
P7_RXC2, 5
P7_RXD3 2, 5P7_RXD2 2, 5P7_RXD1 2, 5P7_RXD0 2, 5
P7_RX_CTL 2, 5
P7_RXC 2, 5
P7_TXD3 2, 5P7_TXD2 2, 5P7_TXD1 2, 5P7_TXD0 2, 5
P7_TX_CTL 2, 5
P7_TXC 2, 5
Port 7 RGMII (TX)
Port 7 RGMII (RX)
22R11722R118
22R119
22R120
22R11522R116
RRRR
L_R
P7_RXD3 2, 5P7_RXD2 2, 5P7_RXD1 2, 5P7_RXD0 2, 5
P7_RX_CTL 2, 5
P7_RXC 2, 5
P7_TXD3 2, 5P7_TXD2 2, 5P7_TXD1 2, 5P7_TXD0 2, 5
P7_TX_CTL 2, 5
P7_TXC 2, 5
22R117722R1188
22R1199
22R1200
22R115522R1166
RRRR
L_R
iRGMII
3V3_Board
"LAN7801 Suspend"0.1uF
C32
2 4VCC
5
GND
3
VCC
GNDD
C
D
U9
74LVC1G14GW,125
D_N
YELLOW
D5 330RR122
LAN7801_25MHz
KSZ9897_25MHZ 2
DNP
123456789101112
J13
2V5_Board
URE B-4: LAN7801 64QFN FUNCTIONAL
12k
1%
R23
VDDVARIO1
23
J11
10kR29
PME Mode Sel
10kR50
MDC2, 4MDIO2, 4
PHY_INT_N2
10k
R67
R44
DN
R46
REF_REREF_FIL
LAN7801_RESET_N
XTAL1
XTAL2
USBRBIAS
VBUS_DET29
XTAL152
XTAL253
TEST46
EECS/GPIO023
EEDI/GPIO124
EEDO/GPIO225
EECLK/GPIO326
RXD1 15
REF_REXT 1
REF_FILT 2
RESET_N/PME_CLEAR47
GPIO7/TDI57
GPIO8/TCK58
GPIO9/TMS59
GPIO10/TDO60
SUSPEND_N 30
DUPLEX 33
GPIO435
PME_MODE/GPIO536
RXD2 16
RXD3 17
PHY_INT_N31
PHY_RESET_N32
MDIO55
MDC56
TXD3 4
TXD2 5
TXD1 6
TXD0 8
TX_CTL 9
TXC 10
RXC 12
RX_CTL 13
RXD0 14
REF_CLK25/GPIO11 61
CLK125 19
PME_N/GPIO6/<USBATEST>45
USBRBIAS49
USBDP38
USBDM39
TXP40
TXN41
RXP43
RXN44
U1A
LAN7801/RGMII_QFN64
TEST
0R
DNP
R36
0R
DNP
R43
0RR31LAN7801_25MHz
GPIO4GPIO5GPIO6GPIO7GPIO8GPIO9GPIO10
Vbus 1
D- 2
D+ 3
GND1 4
SSTX- 5
SSTX+ 6
GND2 7
SSRX- 8
SSRX+ 9SH2
10
SH1
11
J9USB3 STANDARD B RECEPTACLE
3V3_Board
2.2uFC33
SSTX_PSSTX_N
0.1uFC350.1uFC36
0.1μF35V
C41330RR37
Vbus Detect Sel
1kR13
Br GrnD12
"VBus Detect"
3V3_Board
12
3
J8
123
2.1 mm5V (typ)
J7
23
1
SW2
TOGGLE SWITCH
5V_Board
0.1μF35V
C18
20R06035%
R10
F1
2A FUSE_SMF1
23
J6
5V Pwr Off/On
Self/Bus Pwr Sel5V_Barrel 5V_Barrel_F
5V_Barrel_Sw
USB2D_PUSB2D_N
USB3RX_PUSB3RX_N
USB3TX_PUSB3TX_N
20kR17
10kR16
10kDNP
R18
VBUS_DET
40.2k1%
R21
0.1μFC27
PORT 7
EARTH7
LAN7801_EECLKLAN7801_EEDOLAN7801_EEDILAN7801_EECS
R22
SW_RESET_N2, 4
1-2 Reset from Push Button2-3 Reset from R/C
LAN7801 Reset Select1
23
J21
VDDVARIO
0.1uFC135
100kR114
Optional
3V3_Board
"LAN7801 EEPROM Activity"
1kR112
0.1uF
C134
EEPROM CSLAN7801_EECS_JLAN7801_EEDILAN7801_EEDOLAN7801_EECLK
VBUS
DNP25MHz
1
Y1
2 4VCC
5
GND
3
VCC
GNDD
C
D
U10
74LVC1G14GW,125
PHY_RESET_N_OUT2, 4
Place Reset ckt close to 7801
12 J28
Blue
D4
15pFC39
15pFC43
P7_TXD3_P7_TXD2_P7_TXD1_P7_TXD0_
P7_TX_CT
P7_TXC_R
P7_TXD3_P7_TXD2_P7_TXD1_P7_TXD0_
P7_TX_CT
P7_TXC_R
SUSPEN
XTAL1_R
XTAL2_R
2 4VCC
5
GND
3
VCC
GNDD
C
D
U15
74LVC1G14GW,125
CS 1
DO 4
DI 3NC7
VSS5 CLK 2ORG6
VCC8U4
93AA66C-I/SN
0.1uF25V
C20
VDDVARIO
10kR51
KSZ9031_25MHZ4
CLK125
12345678J14
USB3 Signal pairs are swapped for better routing
EV
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icrochip Technolo
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1uF16V
C40
4.7uF6.3V0603
C29
1uF16V
C44
4.7uF6.3V0603
DNPC30
DNP
TP10Mini Orange
DNPTP17Mini Orange
FID1 FID2
FID3 FID4
FID5 FID6
VSS 65
DD12_SW_OUT 20
VDD33_SW_IN 21
VDD12_SW_FB 22
D25_REG_OUT 63
VDD33_REG_IN 64
nc 34
64
3V3_Board
VDD33_REG_IN
VDD12_SW_IN / FB
3V3_Board
VDD25_REG_OUT
0.1uFC72
0.1uFC143
4647
6177
84
90
99
107
108
109123
129
2V5_Board
220R
FB4VDDIO2v5
0.1uFC144
MH4MH3MH2MH1
0R
R125
0R
R123
FIGURE B-5: LAN7801 / KSZ9897 POWER & REGULATORS
0.1μF35V
C1400.1μF35V
C1410.1μF35V
C1420.1μF35V
C1380.1μF35V
C139
0.1μF35V
C48
0.1μF35V
C210.1μF35V
C137
0.1μF35V
C370.1μF35V
C38
0.1μF35V
C42
0.1μF35V
C34
0.1μF35V
C28
0.1μF35V
C47
TP2Mini Black
VDD12PLLA0
iPower
VDDVARIO3
VDDVARIO7
VDDVARIO11
VDDVARIO18
V
VDDVARIO27
VDD12CORE54
VDDVARIO48
VDDVARIO51
VDD12A37
VDD33A50
VDD12A42
VDD12A62
VD
VDD12CORE28
U1B
LAN7801/RGMII_QFN
MCP16311T-E/MNY
AGND8 PGND5
VIN4
EN3
VFB 1
BO
OST
7
VCC 2
SW 6
EP9
U55V_Board TP7
Mini Red 0.1μF35V
C46
10k1%
R55
3V3_FB
3V3_SW
3V3_Board
1kR54
"3.3V Board"
TP1Mini White
Br GrnD2
VCC1
TP5Mini Black
MCP16311T-E/MNY
AGND8 PGND5
VIN4
EN3
VFB 1
BO
OST
7
VCC 2
SW 6
EP9
U65V_Board
0.1μF35V
C64
10k1%
R59
2V5_FB
2V5_SW
2V5_Board
VCC2
OrangeTP3
31.6k1%
R53
1 %21.5KR58
0.1μF35V
DNP
C87
15uH
L2
10uF25V
C4910uF25V
C6010uF25V
C6110uF25V
C62
1uF
C63
3.3V @ 1A Output
2.5V @ 1A Output
10uF25V
C7610uF25V
C8510uF25V
C8810uF25V
C89
1uF
C90
15uH
L3
220R
FB5
1V2_Board
1V2_Board
1V2_Board
1V2_Board
3V3_Board
2V5_Board VDDVARIO
0.1uFC55
0.1uFC56
0.1uFC57
0.1uFC58
0.1uFC59
0.1uFC54
0.1uFC53
0.1uFC52
0.1uFC51
0.1uFC69
0.1uFC70
0.1uFC71
0.1uFC68
0.1uFC67
0.1uFC66
0.1uFC65
0.1uFC80
0.1uFC81
0.1uFC82
0.1uFC83
0.1uFC84
0.1uFC79
0.1uFC78
0.1uFC77
1uFC50
1uFC75
AVDDL3
AVDDH10
DVDDL11
AVDDL14
AVDDL19
AVDDH22
DVDDL23
AVDDL30
AVDDH33
AVDDL36
AVDDL41
AVDDH44
DVDDL45
GNDGND
DVDDL56
VDDIO
DVDDL74
VDDIO
GND
DVDDL87
nu
VDDIO
DVDDL104
GND
nc
GND
DVDDL110
AVDDH111
AVDDL114
AVDDL119
AVDDH122
GND
AVDDL124
AVDDH128
ePAD
2.5V
AN
ALO
G1.
2V A
NA
LOG
1.2V
DIG
ITA
L
KSZ9897R
U3B
220R
FB82V5_Board
220R
FB13
220R
FB121V2_Board
1V2_Board
5V_Board
3V3_Board
2V5_Board
1V2_Board
VDDVARIO
VDD33_REG_IN
VDD12_SW_IN / FB
VDD25_REG_OUT
VDD12PLLA0
VDDIO2v5
3V3_SW 2V5_SW 1V2_SW
0R
R47
AVDDL1v2
AVDDH2v5
DVDDL1v2
AVDDL1v2AVDDH2v5DVDDL1v2
1uF16V
C132
10uF6.3V
C86
10uF6.3V
C74
10uF6.3V
C96
1V2_Board
1.235V @ 2A Output
TP6Mini Yellow
TP8Mini Black
GND2
EN8
BS 4
FB 5
MIC4684YM-TR
VIN3
SW 1
GND6
GND7
U7
47μF25V
C92
B340AD7
MBRX140
D1
0.33uF50VC91
330uF6.3VTANT-D
C930.1uFC94
1V2_SW
1V2_BS
1V2_FB
5V_Board
0RR56
DNPR60
0RR52
0.1μF35V
DNP
C98
0.1μF35V
DNP
C97
4.7kR57
27uH
L1
10kR61
EVB-KSZ9897EVALUATION BOARD
USER’S GUIDE
Appendix C. Bill of Materials (BOM)
C.1 INTRODUCTION
This appendix includes the EVB-KSZ9897 Evaluation Board Bill of Materials (BOM).
2017 Microchip Technology Inc. DS50002587A-page 27
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icrochip Technolo
gy Inc.
ufacturer Manufacturer Part Number
on C1005X7R1H104K050BB
UMK107AB7105KA-T
on C1005X5R1V104M050BB
GRM188R71E104KA01D
ECJ-1VB0J475M
C1608X7R0J225K
C0402C104K8PACTU
GRM1555C1H150JA01D
0603YD105KAT2A
GRM21BR61E106KA73L
on C1005X5R1C105K
nics North America GRM155R6YA105KE11D
06036D106MAT2A
on C2012X7R1H334K125AA
on C3216X5R1E476M160AC
T520D337M006ATE045
GR442QR73D102KW01L
TABLE C-1: EVB-KSZ9897 EVALUATION BOARD BILL OF MATERIALS
Item Qty Reference Description Populated Man
1 56 C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C22, C23, C24, C25, C31, C32, C45, C51, C52, C53, C54, C55, C56, C57, C58, C59, C65, C66, C67, C68, C69, C70, C71, C72, C77, C78, C79, C80, C81, C82, C83, C84, C94, C118, C119, C120, C122, C134, C143, C144
CAP CER 0.1uF 50V 10% X7R SMD 0402 YES TDK Corporati
2 1 C17 CAP CER 1UF 50V 10% X7R 0603 YES Taiyo Yuden
3 35 C18, C19, C21, C26, C27, C28, C34, C37, C38, C41, C42, C46, C47, C48, C64, C107, C109, C110, C112, C113, C114, C115, C116, C117, C124, C125, C127, C128, C129, C137, C138, C139, C140, C141, C142
CAP CER 0.1UF 35V X5R 0402 YES TDK Corporati
4 2 C20, C135 CAP CER 0.1uF 25V 10% X7R SMD 0603 YES Murata
5 6 C29, C106, C108, C111, C123, C126
CAP CER 4.7uF 6.3V 20% X5R SMD 0603 YES Panasonic
6 1 C33 CAP CER 2.2uF 6.3V 10% X7R SMD 0603 YES TDK
7 2 C35, C36 CAP CER 0.1uF 10V 10% X5R SMD 0402 YES KEMET
8 6 C39, C43, C130, C131, C167, C168
CAP CER 15pF 50V 5% NP0 SMD 0402 YES Murata
9 4 C40, C44, C132, C136 CAP CER 1uF 16V 10% X5R SMD 0603 YES AVX
10 8 C49, C60, C61, C62, C76, C85, C88, C89
CAP CER 10uF 25V 10% X5R SMD 0805 YES Murata
11 2 C50, C75 CAP CER 1uF 16V 10% X5R SMD 0402 YES TDK Corporati
12 2 C63, C90 CAP CER 1UF 35V 10% X5R SMD 0402 YES Murata Electro
13 4 C73, C74, C86, C96 CAP CER 10uF 6.3V 20% X5R SMD 0603 YES AVX
14 1 C91 CAP CER 0.33uF 50V 10% X7R SMD 0805 YES TDK Corporati
15 1 C92 CAP CER 47UF 25V X5R 1206 YES TDK Corporati
16 1 C93 CAP TANT 330uF 6.3V 20% 45mOhm SMD D YES KEMET
17 1 C95 CAP CER 1000PF 2KV 1808 YES Murata
Bill o
f Materials (B
OM
)
2017
Microchip T
echnology Inc.D
S5
0002587A-p
age 29
1 ECJ-1VC1H120J
1 o MBRX140-TP
2 LTST-C191KGKT
2 APT1608VBC/D
2 sml-lx0603yw
2 LTST-C191KRKT
2 B340A-13-F
2 0154002.DR
2 North America BLM21PG221SN1D
2 cial Products RJMG2012211A0FR
2 TSW-103-07-G-S
2 PJ-002AH
3 c 6.92221E+11
3 TSW-108-07-G-S
3 TSW-103-07-G-D
3 TSW-102-07-G-S
3 TSW-104-07-G-D
3 TSW-103-07-G-S
3 TSW-102-07-G-S
3 SRR1240-270M
3 MSS6132-153ML
3 ERJ-3GEYJ101V
4 NRC06J200TRF
4 ic Components ERJ-3GEYJ102V
4 ERJ-3GEY0R00V
4 ERJ-2GE0R00X
4 ERJ-3GEYJ103V
4 ERJ-3GSYJ203
TA
Ite turer Manufacturer Part Number
8 1 R89 CAP CER 12pF 50V 5% NP0 SMD 0603 YES Panasonic
9 1 D1 DIO SCTKY MBRX140-TP 550mV 1A 40V SMD SOD-123 YES Micro Commercial C
0 2 D2, D12 LED, Bright Green, 0603 YES Lite-On
1 2 D3, D4 LED, Blue, 0603 YES Kingbright
2 1 D5 DIO LED YELLOW 2.1V 20mA 14mcd Diffuse SMD 0603 YES Lumex
3 1 D6 LED, Bright Red, 0603 YES Lite-On
4 1 D7 DIO SCTKY B340A 500mV 3A 40V DO-214AC_SMA YES Diodes Incorporated
5 1 F1 Surface Mount Fuses Fuseblock w/ fuse 2A OMNI BLOK 154
YES Littelfuse
6 10 FB4, FB5, FB8, FB11, FB12, FB13, FB14, FB15, FB16, FB17
FERRITE 2A 220R SMD 0805 YES Murata Electronics
7 6 J1, J2, J3, J4, J5, J20 CON MODULAR RJ45 MAGJACK TH R/A YES Amphenol Commer
8 3 J6, J8, J11 HDR 3POS .100" SGL GOLD YES Samtec Inc.
9 1 J7 CONN PWR JACK 2.5X5.5MM HIGH CUR YES CUI Inc.
0 1 J9 CONN RCPT USB TYPE B 3.0 R/A YES Wurth Electronics In
1 1 J14 CON HDR-2.54 MALE 1x8 GOLD 5.84MH TH VERT YES Samtec
2 1 J15 CONN HEADER 6POS .100" DUAL GOLD YES Samtec
3 4 J16, J18, J24, J25 CON HDR-2.54 MALE 1x2 GOLD 5.84MH TH VERT YES Samtec
4 1 J17 CON HDR-2.54 Male 2x3 Gold 5.84MH TH VERT YES Samtec
5 2 J21, J23 CON HDR-2.54 MALE 1x3 GOLD 5.84MH TH VERT YES Samtec
6 1 J28 HDR 2POS .100" SGL GOLD YES Samtec Inc.
7 1 L1 IND 27uH 20 % 2.35A SMD YES Bourns
8 2 L2, L3 INDUCTOR 15uH 1.16A 20% SMD MSS6132 YES Coilcraft
9 12 R1, R2, R3, R4, R5, R6, R7, R8, R9, R15, R87, R124
RES TKF 100R 5% 1/10W SMD 0603 YES Panasonic
0 1 R10 RES TKF 20R 5% 1/10W SMD 0603 YES NIC Components
1 2 R13, R54 RES 1k 5% 1/10W SMD 0603 YES Panasonic Electron
2 16 R14, R31, R32, R44, R47, R52, R56, R106, R107, R110, R111, R123, R125, R127, R128, R129
RES TKF 0R 1/10W SMD 0603 YES Panasonic
3 1 R49 RES TKF 0R SMD 0402 YES Panasonic
4 15 R16, R22, R29, R50, R51, R61, R64, R65, R66, R67, R68, R72, R84, R85, R86
RES TKF 10k 5% 1/10W SMD 0603 YES Panasonic
5 1 R17 RES TKF 20k 5% 1/10W SMD 0603 YES Panasonic
BLE C-1: EVB-KSZ9897 EVALUATION BOARD BILL OF MATERIALS (CONTINUED)
m Qty Reference Description Populated Manufac
EV
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2017 M
icrochip Technolo
gy Inc.
ERJ-3EKF2001V
ERJ-2GEJ220X
ctronic Components ERJ-3EKF4022V
RC0603FR-0712KL
RC0603FR-072K05L
RC0603FR-0722RL
ctronic Components ERJ-3GEYJ331V
ERJ-3GEYJ102V
ERJ-3GEYJ103V
ctronic Components ERJ-3EKF3162V
nts NRC06F1002TRF
ERJ-3GEYJ472V
ERJ-3EKF2152V
ERJ-3GEYJ104V
ctronic Components ERJ-3EKF1212V
9T06031A6041FBHFT
ERJ-3GEYJ331V
PTS810 SJM 250 SMTR LFS
1101M2S3CQE2
y Alcoswitch 1-1825058-9
tronics 5002
tronics 5001
tronics 5003
tronics 5004
tronics 5000
74LVC1G14GW,125
LAN7801/RGMII_QFN64
ufacturer Manufacturer Part Number
46 1 R19 RES TKF 2k 1% 1/10W SMD 0603 YES Panasonic
47 11 R20, R34, R41, R42, R48, R115, R116, R117, R118, R119, R120
RES 22ohm 5% 1/10W SMD 0402 YES Panasonic
48 1 R21 RES TKF 40.2k 1% 1/16W SMD 0603 YES Panasonic Ele
49 1 R23 RES TKF 12k 1% 1/10W SMD 0603 YES Yageo
50 2 R24, R93 RES TKF 2.05k 1% 1/10W SMD 0603 YES Yageo
51 12 R25, R26, R27, R28, R30, R35, R75, R76, R77, R78, R80, R82
RES TKF 22R 1% 1/10W SMD 0603 YES Yageo
52 1 R37 RES TKF 330R 5% 1/10W SMD 0603 YES Panasonic Ele
53 17 R39, R40, R74, R79, R81, R83, R91, R96, R98, R99, R100, R101, R103, R104, R109, R112, R113
RES TKF 1k 5% 1/10W SMD 0603 YES Panasonic
54 2 R45, R92 RES TKF 10k 5% 1/10W SMD 0603 YES Panasonic
55 1 R53 RES TKF 31.6K 1% 1/10W SMD 0603 YES Panasonic Ele
56 2 R55, R59 RES TKF 10k 1% 1/10W SMD 0603 YES NIC Compone
57 1 R57 RES TKF 4.7k 5% 1/10W SMD 0603 YES Panasonic
58 1 R58 RES TKF 21.5K 1% 1/10W SMD 0603 YES Panasonic
59 2 R69, R114 RES TKF 100k 5% 1/10W SMD 0603 YES Panasonic
60 1 R73 RES 12.1K 1% 1/10W 0603 YES Panasonic Ele
61 1 R108 RES TKF 6.04k 1% 1/10W SMD 0603 YES Yageo
62 1 R122 RES TKF 330R 5% 1/10W SMD 0603 YES Panasonic
63 1 SW1 Tactile Switch SPST-NO Top Actuated Surface Mount YES C&K
64 1 SW2 Slide Switch SPDT Through Hole YES C&K
65 1 SW4 SWITCH SLIDE SPST 24V 100mA 1825058-9EXT ACT 8POS 24V
YES TE ConnectivitSwitches
66 1 TP1 TEST POINT PC MINI .040"D WHITE YES Keystone Elec
67 4 TP2, TP4, TP5, TP8 TEST POINT PC MINI .040"D BLACK YES Keystone Elec
68 1 TP3 TEST POINT PC MINI .040"D ORANGE YES Keystone Elec
69 1 TP6 TEST POINT PC MINI .040"D YELLOW YES Keystone Elec
70 1 TP7 TEST POINT PC MINI .040"D RED YES Keystone Elec
71 5 U2, U9, U10, U14, U15 74LVC1G14GW,125 SCHMITT-TRG INVERTER YES NXP
72 1 U1 Edinburgh LAN7801/RGMII pinout, QFN64 YES Microchip
TABLE C-1: EVB-KSZ9897 EVALUATION BOARD BILL OF MATERIALS (CONTINUED)
Item Qty Reference Description Populated Man
Bill o
f Materials (B
OM
)
2017
Microchip T
echnology Inc.D
S5
0002587A-p
age 31
7 gy KSZ9897RTXC
7 gy 93AA66C-I/SN
7 gy MCP16311T-E/MNY
7 MIC4684YM-TR
7 KSZ9031RNXCC
7 BHR-10-VUA
7 gy DSC400-1111Q0085KI1
8 ECJ-1VB0J475M
8 C1005X5R1V104M050BB
8 TSW-106-07-G-D
8 ERJ-3GEYJ103V
8 ERJ-3GEY0R00V
8 ERJ-3GEYJ102V
8 s 5003
8 ABM8G-25.000MHZ-B4Y-T
TA
Ite turer Manufacturer Part Number
3 1 U3 IC, 7-Port Gigabit Ethernet Switch with 2 RGMII / MII / RMII Interfaces, TQFP128
YES Microchip Technolo
4 1 U4 IC EEPROM 4KBIT 3MHZ 8SOIC YES Microchip Technolo
5 2 U5, U6 IC REG BUCK SYNC ADJ 1A 8TDFN YES Microchip Technolo
6 1 U7 IC REG BUCK ADJ 2A 8SOIC YES Micrel Inc
7 1 U8 KSZ9031RNXCC Gigabit Ethernet PHY with RGMII YES Microchip
8 1 J22 HDR 10POS .100" DUAL SHROUDED YES Adam Tech
9 1 X1 OSC MEMS CONFIGURABLE FOUR OUTPUT YES Microchip Technolo
0 0 C30 CAP CER 4.7uF 6.3V 20% X5R SMD 0603 NO Panasonic
1 0 C87, C97, C98 CAP CER 0.1UF 35V X5R 0402 NO TDK Corporation
2 0 J10, J12, J13, J19 CON HDR-2.54 Male 2x5 Gold 5.84MH TH VERT NO Samtec Inc
3 0 R11, R12, R18, R94 RES TKF 10k 5% 1/10W SMD 0603 NO Panasonic
4 0 R33, R36, R38, R43, R46, R60, R102, R105, R126
RES TKF 0R 1/10W SMD 0603 NO Panasonic
5 0 R70, R71, R88, R90 RES TKF 1k 5% 1/10W SMD 0603 NO Panasonic
6 0 TP10, TP17 TEST POINT PC MINI .040"D ORANGE NO Keystone Electronic
7 0 Y1, Y2, Y3 Crystal 25MHz 10pF SMD 4Pin DFN LCC NO Abracon
BLE C-1: EVB-KSZ9897 EVALUATION BOARD BILL OF MATERIALS (CONTINUED)
m Qty Reference Description Populated Manufac
DS50002587A-page 32 2017 Microchip Technology Inc.
AMERICASCorporate Office2355 West Chandler Blvd.Chandler, AZ 85224-6199Tel: 480-792-7200 Fax: 480-792-7277Technical Support: http://www.microchip.com/supportWeb Address: www.microchip.com
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China - HangzhouTel: 86-571-8792-8115 Fax: 86-571-8792-8116
China - Hong Kong SARTel: 852-2943-5100 Fax: 852-2401-3431
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China - ShenyangTel: 86-24-2334-2829Fax: 86-24-2334-2393
China - ShenzhenTel: 86-755-8864-2200 Fax: 86-755-8203-1760
China - WuhanTel: 86-27-5980-5300Fax: 86-27-5980-5118
China - XianTel: 86-29-8833-7252Fax: 86-29-8833-7256
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Thailand - BangkokTel: 66-2-694-1351Fax: 66-2-694-1350
EUROPEAustria - WelsTel: 43-7242-2244-39Fax: 43-7242-2244-393
Denmark - CopenhagenTel: 45-4450-2828 Fax: 45-4485-2829
Finland - EspooTel: 358-9-4520-820
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Germany - HeilbronnTel: 49-7131-67-3636
Germany - KarlsruheTel: 49-721-625370
Germany - MunichTel: 49-89-627-144-0 Fax: 49-89-627-144-44
Germany - RosenheimTel: 49-8031-354-560
Israel - Ra’anana Tel: 972-9-744-7705
Italy - Milan Tel: 39-0331-742611 Fax: 39-0331-466781
Italy - PadovaTel: 39-049-7625286
Netherlands - DrunenTel: 31-416-690399 Fax: 31-416-690340
Norway - TrondheimTel: 47-7289-7561
Poland - WarsawTel: 48-22-3325737
Romania - BucharestTel: 40-21-407-87-50
Spain - MadridTel: 34-91-708-08-90Fax: 34-91-708-08-91
Sweden - GothenbergTel: 46-31-704-60-40
Sweden - StockholmTel: 46-8-5090-4654
UK - WokinghamTel: 44-118-921-5800Fax: 44-118-921-5820
Worldwide Sales and Service
11/07/16