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KSZ8873MLL/FLL/RLL
Evaluation Board User's Guide
KSZ8873MLL/FLL/RLL Integrated 3-Port 10/100 Managed Switch with
PHYs
Revision 1.1 January 2011
© Micrel, Inc. 2011
All rights reserved
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.
Micrel, Inc. ♦ ♦ ♦ ♦ 1849 Fortune Drive ♦ ♦ ♦ ♦ San Jose, CA 95131 ♦ ♦ ♦ ♦ U.S.A.
408-955-0800 (voice) ♦ ♦ ♦ ♦ 408-955-1577 (fax)
http://www.Micrel.com
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Summary of Contents for Micrel KSZ8873MLL
- Page 1 Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. Micrel, Inc. ♦ ♦ ♦ ♦ 1849 Fortune Drive ♦ ♦ ♦ ♦ San Jose, CA 95131 ♦ ♦ ♦ ♦ U.S.A. 408-955-0800 (voice) ♦ ♦ ♦ ♦ 408-955-1577 (fax)
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Page 2: Revision History
KSZ8873MLL/FLL/RLL Evaluation Board User’s Guide Revision History Revision Date Summary of Changes 06/30/09 Initial Release 01/11/11 Update description Micrel, Inc. January 11, 2011 Confidential Rev. 1.1 2/10... -
Page 3: Table Of Contents
Table 3: EEPROM Mode Settings ....................8 Table 4: SPI Slave Mode Settings....................8 Table 5: LED Modes ........................9 Table 6: RMII Clock Setting......................10 List of Figures Figure 1: KSZ8873MLL/FLL/RLL Evaluation Board Block Diagram ..........5 Micrel, Inc. January 11, 2011 Confidential Rev. 1.1... -
Page 4: Introduction
5V DC wall power supply is 2.5x5.5x9.5mm or 0.1x0.218x0.375inch) Hardware Description The KSZ8873MLL/FLL/RLL Evaluation Board is in a compact form factor and can sit on a bench near a computer. There are three options for configuration: strap in mode, EEPROM mode, and SPI mode. -
Page 5: Strap In Mode
Note that even if no external strap in values are set, internal pull up and pull down resistors will set the KSZ8873MLL/FLL/RLL 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 the USB cable is unplugged, JP34, JP35, JP3 and JP9 are connected, JP21, JP25 have jumpers fitted between pins 2 to 3. -
Page 6: Feature Setting Jumpers
KSZ8873MLL/FLL/RLL Evaluation Board User’s Guide 4.1.1 Feature Setting Jumpers The evaluation board provides jumpers to allow easy setting of strap in configurations for the KSZ8873MLL/FLL/RLL. Table 1 describes the jumpers and their functionalities. Table 1: Feature Setting Jumpers JUMPER KSZ8873MLL/FLL/RLL... -
Page 7: I2C Master (Eeprom) Mode
KSZ8873MLL/FLL/RLL. 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”. -
Page 8: Spi Slave Mode
KSZ8873MLL/FLL/RLL Evaluation Board User’s Guide 5. The KSZ8873MLL/FLL/RLL will power up in its default configuration if there is no information in the EEPROM. 6. Click the software icon to invoke the software to program the desired settings into the EEPROM. See the Micrel Switch Configuration Software User Guide for details. -
Page 9: 10/100 Ethernet Phy Ports (Ksz8873Mll/Rll)
See the Micrel Switch Configuration Software User Guide for details. 4.4 10/100 Ethernet PHY Ports (KSZ8873MLL/RLL) There are two 10/100 Ethernet PHY ports on the KSZ8873MLL/RLL evaluation board. The ports can be connected to an Ethernet traffic generator or analyzer via standard RJ-45 connectors using CAT-5 cables. -
Page 10: Rmii Port Configuration (Ksz8873Rll)
REFCLKI_3 is unconnected Not suggest Reference Documents KSZ8873MLL/FLL/RLL Datasheet Rev. 1.1 (Contact Micrel for latest Datasheet) KSZ8873MLL/FLL/RLL Evaluation Board Schematic Rev. 1.0 (Contact Micrel for latest Schematic) KSZ8873MLL/FLL/RLL Evaluation Board Gerber files Micrel Switch Configuration Software User Guide Micrel, Inc.
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