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KSZ8851SNL-Eval Evaluation Board User’s Guide

Rev. 1.1

Micrel, Inc.

April 21, 2010

4/11

List of Figures

Figure 1. KSZ8851SNL Evaluation Board ....................................................................................... 6

Figure 2. SPI Interface to KSZ8851SNL ......................................................................................... 7

Figure 3. KSZ8851SNL-Eval Host SPI Interface Connection with Spirent SmartBits..................... 7

List of Tables

Table 1. Header JP1 – Host Connection for SPI Interface.............................................................. 8

Table 2. Header JP1 – Host Connection for Control and Power..................................................... 8

Table 3. KSZ8851SNL-Eval Jumper Definition ............................................................................... 8

Table 4. KSZ8851SNL-Eval Test Point Definition ........................................................................... 9

Table 5. KSZ8851SNL EEPROM Format ....................................................................................... 9

Table 6. KSZ8851SNL-Eval Port Status LED Definition ............................................................... 10

Table 7. KSZ8851SNL-Eval LED Definition .................................................................................. 10

Содержание KSZ8851SNL-Eval

Страница 1: ...hed 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 a...

Страница 2: ...ms is at Purchaser s own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale Revision History Revision Date Summary of Changes 1 0 3 03 2008 Initial Rel...

Страница 3: ...ntroduction 5 2 0 Board Features 5 3 0 Evaluation Kit Contents 5 4 0 Hardware Description 6 4 1 Host SPI Interface 7 4 2 Jumper Setting Definition 8 4 3 Power Supply and Test Point Definition 9 4 4 RJ...

Страница 4: ...st SPI Interface Connection with Spirent SmartBits 7 List of Tables Table 1 Header JP1 Host Connection for SPI Interface 8 Table 2 Header JP1 Host Connection for Control and Power 8 Table 3 KSZ8851SNL...

Страница 5: ...vice setup initialization and transmit receive packet All KSZ8851SNL configuration pins control signals and SPI interface are accessible either by jumpers test points or headers 2 0 Board Features One...

Страница 6: ...n board jumper selections and or by register access via the host SPI Interface Figure 1 KSZ8851SNL Evaluation Board Other features include a RJ 45 Jack for Fast Ethernet cable connection transformer P...

Страница 7: ...en SPI operation is idle Figure 6 shows the SPI interface connection for KSZ8851SNL Figure 2 SPI Interface to KSZ8851SNL The KSZ8851SNL Eval board receives 5V power from the header JP1 pin 1 Figure 3...

Страница 8: ...ion except the VDD_IO option During power up the KSZ8851SNL is configured using the chip s internal pull up and pull down resistors with its default strapping pin value which will set this device in o...

Страница 9: ...45 Jack J1 connects to standard CAT 5 Ethernet cable to interface with 10Base T 100Base TX Ethernet devices The LAN interface on the KSZ8851SNL is connected to a transformer T1 with 50 ohm terminatio...

Страница 10: ...ult 1 LED1 Top 100BT ACT LED1 Bottom LINK ACT LINK Table 6 KSZ8851SNL Eval Port Status LED Definition Table 7 shows the rest of LEDs definition LED Color Description LED2 Green Power Management Event...

Страница 11: ...KSZ8851SNL Eval Evaluation Board User s Guide Rev 1 1 Micrel Inc April 21 2010 11 11 5 0 Bill of Materials KSZ8851SNL Eval Board Revision 1 1...