LAN9252ISLASHML datasheet(9/329 Pages) MICROCHIP

Part #	LAN9252I/ML

Description	2/3-Port EtherCAT® Slave Controller with Integrated Ethernet PHYs

PDF	329 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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9 / 329 page

 2015 Microchip Technology Inc.

DS00001909A-page 9

LAN9252

The LAN9252 is available in commercial, industrial, and extended industrial temperature ranges. Figure 2-1 details a

typical system application, while Figure 2-2 provides an internal block diagram of the LAN9252.

The LAN9252 can operate in Microcontroller, Expansion, or Digital I/O mode:

FIGURE 2-1:

SYSTEM BLOCK DIAGRAM

FIGURE 2-2:

INTERNAL BLOCK DIAGRAM

LAN9252

Microprocessor/

Microcontroller

Local

Bus

EEPROM

Magnetics

RJ45

25MHz

Magnetics

RJ45

EtherCAT Slave

EtherCAT

Master

EtherCAT

Slave

EtherCAT

Slave

PHY

RJ45

EtherCAT

Slave

100 PHY

w/ fiber

Registers

EtherCAT Slave Controller

SyncManager

FMMU

ESC Address Space

Registers / RAM

Loopback

Auto

Fowarder

Loopback

Auto

Fowarder

LED

Controller

To optional LEDs

System

Interrupt

Controller

IRQ

System Clocks/

Reset Controller

External

25MHz Crystal

I2C

EEPROM

100 PHY

w/ fiber

Registers

LAN9252

Ethernet

Parallel Data

Interface

To 8/16-bit

Host Bus,

MII, SPI,

Digital IOs,

GPIOs

To I

Loopback

Auto

Fowarder

MII

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