KSZ8441HLI-EVAL

KSZ8441HLI-EVAL Datasheet

KSZ8441_eval_bd_user_guide_1.0.docx

Part	Datasheet
KSZ8441HLI-EVAL	KSZ8441HLI-EVAL (pdf)

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KSZ8441_eval_bd_user_guide_1.0.docx KSZ8441HL Evaluation Board User Guide Micrel, Inc. Confidential 1/12 KSZ8441_eval_bd_user_guide_1.0.docx Table of Contents 3 1 Board Features 3 2 KSZ8441HL Evaluation Board Kit 3 Hardware 4 Device Configuration 5 Strap-in 5 EEPROM 5 List of Figures Figure 1 KSZ8441HL 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 8 LED Functions 9 List of Jumpers and 10 Micrel, Inc. Confidential 2/12 KSZ8441_eval_bd_user_guide_1.0.docx Introduction The KSZ8441HL Evaluation Board provides a platform in which to test or explore the functionally of the KSZ8441HL IEEE 1588 Precision Time Protocol PTP enabled switch products. The KSZ8441HL and KSZ8441FHL devices are 1-port 10BASE-T / 100BASE-TX/FX Ethernet end points with a generic parallel host interface. This is the ideal solution in industrial applications where real time clock synchronization using Ethernet connectivity across a network is desired. The KSZ8441HL is fully compliant with the IEEE 1588 Version 2 Precision Time Protocol and IEEE 10/100BASE-T/TX standards. This KSZ8441HL Evaluation Board User Guide provides the information necessary to configure and set up the board to evaluate or test the KSZ8441HL devices in different environments. 1 Board Features The KSZ8441HL Evaluation Board encompasses the following features. • Micrel’s KSZ8441HL IEEE 1588 Precision Time Protocol 10/100 Ethernet End Point • Ethernet LAN Interface with RJ-45 jack and isolation magnetics • Auto MDI/MDI-X for automatic detection and correction for straight-through and crossover cables • Generic 8/16 bit parallel host processor interface • Provisioning for 100BASE-FX fiber interface optional • 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 port interface for EEPROM • LED indicators for link status and activity of the RJ-45 port • On-board 25 MHz crystal • Jumpers for power up configuration of the device • Jumpers for GPIO pins, I/O voltage selection and serial-port connections • 5V DC voltage required for operation • Reset switch • Various test points 2 KSZ8441HL Evaluation Board Kit The KSZ8441HL Evaluation Board kit includes the following: • KSZ8441HL Evaluation Board • KSZ8441HL Evaluation Board User’s Guide This document, available in the eval kit, on the Micrel website • KSZ8441HL Evaluation Board Schematic Available in the eval kit, on the Micrel website Micrel, Inc. Confidential 3/12 KSZ8441_eval_bd_user_guide_1.0.docx 3 Hardware Description The KSZ8441HL Evaluation board uses the same PCB as the KSZ8462HL Evaluation board. The KSZ8441 has one less Ethernet port, so there are components and connectors on the board which are unused with the KSZ8441. It 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 Ethernet traffic, the external host processor can read and write the entire register set within the KSZ8441HL 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 KSZ8441HL Evaluation board. Micrel, Inc. Confidential Figure 1 KSZ8441HL Evaluation Board 4/12 KSZ8441_eval_bd_user_guide_1.0.docx Device Configuration Strap-in Configuration

PDF Datasheet Preview

KSZ8441_eval_bd_user_guide_1.0.docx

KSZ8441HL Evaluation Board User Guide

Micrel, Inc. Confidential
1/12

KSZ8441_eval_bd_user_guide_1.0.docx

Table of Contents
3 1 Board Features 3 2 KSZ8441HL Evaluation Board Kit 3 Hardware 4

Device Configuration 5 Strap-in 5 EEPROM 5

List of Figures

Figure 1 KSZ8441HL 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 8 LED Functions 9 List of Jumpers and 10

Micrel, Inc. Confidential
2/12

KSZ8441_eval_bd_user_guide_1.0.docx

Introduction

The KSZ8441HL Evaluation Board provides a platform in which to test or explore the functionally of the KSZ8441HL IEEE 1588 Precision Time Protocol PTP enabled switch products.

The KSZ8441HL and KSZ8441FHL devices are 1-port 10BASE-T / 100BASE-TX/FX Ethernet end points with a generic parallel host interface. This is the ideal solution in industrial applications where real time clock synchronization using Ethernet connectivity across a network is desired. The KSZ8441HL is fully compliant with the IEEE 1588 Version 2 Precision Time Protocol and IEEE 10/100BASE-T/TX standards.

This KSZ8441HL Evaluation Board User Guide provides the information necessary to configure and set up the board to evaluate or test the KSZ8441HL devices in different environments.
1 Board Features

The KSZ8441HL Evaluation Board encompasses the following features.
• Micrel’s KSZ8441HL IEEE 1588 Precision Time Protocol 10/100 Ethernet End Point
• Ethernet LAN Interface with RJ-45 jack and isolation magnetics
• Auto MDI/MDI-X for automatic detection and correction for straight-through and crossover cables
• Generic 8/16 bit parallel host processor interface
• Provisioning for 100BASE-FX fiber interface optional
• 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 port interface for EEPROM
• LED indicators for link status and activity of the RJ-45 port
• On-board 25 MHz crystal
• Jumpers for power up configuration of the device
• Jumpers for GPIO pins, I/O voltage selection and serial-port connections
• 5V DC voltage required for operation
• Reset switch
• Various test points
2 KSZ8441HL Evaluation Board Kit

The KSZ8441HL Evaluation Board kit includes the following:
• KSZ8441HL Evaluation Board
• KSZ8441HL Evaluation Board User’s Guide This document, available in the eval kit, on the

Micrel website
• KSZ8441HL Evaluation Board Schematic Available in the eval kit, on the Micrel website

Micrel, Inc. Confidential
3/12

KSZ8441_eval_bd_user_guide_1.0.docx
3 Hardware Description

The KSZ8441HL Evaluation board uses the same PCB as the KSZ8462HL Evaluation board. The KSZ8441 has one less Ethernet port, so there are components and connectors on the board which are unused with the KSZ8441.

It 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 Ethernet traffic, the external host processor can read and write the entire register set within the KSZ8441HL 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 KSZ8441HL Evaluation board.

Micrel, Inc. Confidential

Figure 1 KSZ8441HL Evaluation Board
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KSZ8441_eval_bd_user_guide_1.0.docx

Device Configuration

Strap-in Configuration

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 KSZ8441HLI-EVAL Datasheet file may be downloaded here without warranties.

Datasheet ID: KSZ8441HLI-EVAL 647880