KSZ8441HLI-EVAL

KSZ8441HLI-EVAL 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 • • • 5V DC voltage required for operation • Reset switch • Various test pointsJumpers for power up configuration of the deviceJumpers for GPIO pins, I/O voltage selection and serial-port connections

KSZ8441HLI-EVAL Introduction

The KSZ8441HL Evaluation Board provides a platform in which to test or explore the functionally of theKSZ8441HL IEEE 1588 Precision Time Protocol (PTP) enabled switch products.The KSZ8441HL and KSZ8441FHL devices are 1-port 10BASE-T / 100BASE-TX/FX Ethernet end pointswith a generic parallel host interface. This is the ideal solution in industrial applications where real timeclock synchronization using Ethernet connectivity across a network is desired. The KSZ8441HL is fullycompliant with the IEEE 1588 (Version 2) Precision Time Protocol and IEEE 802.3 (10/100BASE-T/TX)standards.This KSZ8441HL Evaluation Board User Guide provides the information necessary to configure and setup the board to evaluate or test the KSZ8441HL devices in different environments.