KSZ8852HLE-EVAL

KSZ8852HLE-EVAL Datasheet

KSZ8852_eval_bd_user_guide_1.0.docx

Part	Datasheet
KSZ8852HLE-EVAL	KSZ8852HLE-EVAL (pdf)

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KSZ8852_eval_bd_user_guide_1.0.docx KSZ8852HLE Evaluation Board User Guide Micrel, Inc. Confidential 1/12 KSZ8852_eval_bd_user_guide_1.0.docx Table of Contents 3 1 Board Features 3 2 KSZ8852HLE-EVAL Evaluation Board 3 Hardware 3 Device Configuration 5 Strap-in 5 EEPROM 5 List of Figures Figure 1 KSZ8852HLE Evaluation Board 4 Figure 2 Power Supply Section and Related Jumper Locations 6 Figure 3 GPIO Connectors and Strap-in Jumper Locations 8 Figure 4 Topside Layout of the Board 11 List of Tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Strap-In Configuration Jumpers 5 Power Supply Related Jumpers 6 Signal Descriptions on the Parallel Host-Port Connector J16..................................... 7 GPIO Pin Selection for KSZ8852HLE 8 LED Functions 9 List of Jumpers and 10 Micrel, Inc. Confidential 2/12 KSZ8852_eval_bd_user_guide_1.0.docx Introduction The KSZ8852HLE Evaluation Board provides a platform in which to test or explore the functionally of the KSZ8852HLE Ethernet switch. The KSZ8852HLE is an integrated 3-port 10BASE-T / 100BASE-TX/FX managed Ethernet switch with two 10/100 PHY ports, and generic parallel interface connectivity to a host processor on port The KSZ8852HLE includes all the functions of a 10/100BASE-T/TX/FX switch system that combines switch engine, frame buffers management, addresses look-up table, queue management, MIB counters, media access controllers MAC and PHY transceiver interfaces. It is fully compliant with the IEEE standards 10BASE-T and 100BASE-TX . This KSZ8852HLE Evaluation Board User Guide provides the information necessary to configure and set up the board to evaluate or test the KSZ8852HLE device in different environments. 1 Board Features The KSZ8852HLE Evaluation Board encompasses the following features. • Micrel’s KSZ8852HLE Integrated 3-Port 10/100 Managed Ethernet Switch • Two Ethernet LAN Interfaces with RJ-45 jacks and isolation magnetics Ports 1 & 2 • Auto MDI/MDI-X for automatic detection and correction for straight-through and crossover cables • Generic 8/16 bit parallel Host processor interface Port 3 • Provisioning for line side and chip side over-voltage protection optional • On-board 3.3V and 1.8V/2.5V regulators • Configurable for VDDIO of 3.3V, 2.5V, or 1.8V operation • Serial interface for EEPROM • LED indicators for link status and activity of the RJ-45 ports • 25 MHz crystal • Jumpers for power up configuration of the device • Jumpers for GPIO pins and I/O voltage selection • Board operates from a single 5V DC supply • Reset switch • Various test points 2 KSZ8852HLE-EVAL Evaluation Board Kit The KSZ8852HLE-EVAL kit includes the following: • KSZ8852HLE Evaluation Board • KSZ8852HLE Evaluation Board User’s Guide This document, available in the eval kit documention at the Micrel website • KSZ8852HLE Evaluation Board Schematic Available in the eval kit documentation at the Micrel website 3 Hardware Description The KSZ8852HLE Evaluation board is a small form-factor board x that can be configured by a host processor connected through the 16-bit generic parallel host interface. In addition to passing full-rate Micrel, Inc. Confidential 3/12 KSZ8852_eval_bd_user_guide_1.0.docx Ethernet traffic, the external host processor can read and write the entire register set within the KSZ8852HLE device through this interface. The board supports different types of host processors. Therefore a strap-in configuration mode is provided to set the parallel interface according to the type of processor used. Strap-in mode configuration occurs at power on time where the voltage level on certain pins is automatically sampled and used to configure various features in the device. This is accomplished with the on board jumper options. Available configuration options are explained in detail in the following sections. Figure 1 is a picture of the KSZ8852HLE Evaluation board. Figure 1 KSZ8852HLE Evaluation Board Micrel, Inc. Confidential 4/12 KSZ8852_eval_bd_user_guide_1.0.docx Device Configuration

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KSZ8852_eval_bd_user_guide_1.0.docx

KSZ8852HLE Evaluation Board User Guide

Micrel, Inc. Confidential
1/12

KSZ8852_eval_bd_user_guide_1.0.docx

Table of Contents
3 1 Board Features 3 2 KSZ8852HLE-EVAL Evaluation Board 3 Hardware 3

Device Configuration 5 Strap-in 5 EEPROM 5

List of Figures

Figure 1 KSZ8852HLE Evaluation Board 4 Figure 2 Power Supply Section and Related Jumper Locations 6 Figure 3 GPIO Connectors and Strap-in Jumper Locations 8 Figure 4 Topside Layout of the Board 11

List of Tables

Table 1 Table 2 Table 3 Table 4 Table 5 Table 6

Strap-In Configuration Jumpers 5 Power Supply Related Jumpers 6 Signal Descriptions on the Parallel Host-Port Connector J16..................................... 7 GPIO Pin Selection for KSZ8852HLE 8 LED Functions 9 List of Jumpers and 10

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Introduction

The KSZ8852HLE Evaluation Board provides a platform in which to test or explore the functionally of the KSZ8852HLE Ethernet switch.

The KSZ8852HLE is an integrated 3-port 10BASE-T / 100BASE-TX/FX managed Ethernet switch with two 10/100 PHY ports, and generic parallel interface connectivity to a host processor on port The KSZ8852HLE includes all the functions of a 10/100BASE-T/TX/FX switch system that combines switch engine, frame buffers management, addresses look-up table, queue management, MIB counters, media access controllers MAC and PHY transceiver interfaces. It is fully compliant with the IEEE standards 10BASE-T and 100BASE-TX .

This KSZ8852HLE Evaluation Board User Guide provides the information necessary to configure and set up the board to evaluate or test the KSZ8852HLE device in different environments.
1 Board Features

The KSZ8852HLE Evaluation Board encompasses the following features.
• Micrel’s KSZ8852HLE Integrated 3-Port 10/100 Managed Ethernet Switch
• Two Ethernet LAN Interfaces with RJ-45 jacks and isolation magnetics Ports 1 & 2
• Auto MDI/MDI-X for automatic detection and correction for straight-through and crossover cables
• Generic 8/16 bit parallel Host processor interface Port 3
• Provisioning for line side and chip side over-voltage protection optional
• On-board 3.3V and 1.8V/2.5V regulators
• Configurable for VDDIO of 3.3V, 2.5V, or 1.8V operation
• Serial interface for EEPROM
• LED indicators for link status and activity of the RJ-45 ports
• 25 MHz crystal
• Jumpers for power up configuration of the device
• Jumpers for GPIO pins and I/O voltage selection
• Board operates from a single 5V DC supply
• Reset switch
• Various test points
2 KSZ8852HLE-EVAL Evaluation Board Kit

The KSZ8852HLE-EVAL kit includes the following:
• KSZ8852HLE Evaluation Board
• KSZ8852HLE Evaluation Board User’s Guide This document, available in the eval kit
documention at the Micrel website
• KSZ8852HLE Evaluation Board Schematic Available in the eval kit documentation at the Micrel
website
3 Hardware Description

The KSZ8852HLE Evaluation board is a small form-factor board x that can be configured by a host processor connected through the 16-bit generic parallel host interface. In addition to passing full-rate

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Ethernet traffic, the external host processor can read and write the entire register set within the KSZ8852HLE device through this interface.

The board supports different types of host processors. Therefore a strap-in configuration mode is provided to set the parallel interface according to the type of processor used. Strap-in mode configuration occurs at power on time where the voltage level on certain pins is automatically sampled and used to configure various features in the device. This is accomplished with the on board jumper options.

Available configuration options are explained in detail in the following sections. Figure 1 is a picture of the KSZ8852HLE Evaluation board.

Figure 1 KSZ8852HLE Evaluation Board

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Device Configuration

More datasheets: RP1020 | RP1080 | RP1060 | RP1460 | RP1450 | RP1280 | RP1240 | DDMM-50S-Z-A101 | DCM21WA4SNMBK52 | MCB1343

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived KSZ8852HLE-EVAL Datasheet file may be downloaded here without warranties.

Datasheet ID: KSZ8852HLE-EVAL 647881