KSZ8851MLL Micrel Semiconductor, KSZ8851MLL Datasheet

KSZ8851MLL

Manufacturer Part Number

KSZ8851MLL

Description

Single Port Mac/phy Controller with Non PCI Interface

Manufacturer

Micrel Semiconductor

Datasheet

1.KSZ8851MLL.pdf (2 pages)

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Description

The KSZ8851 is a single-port embedded controller chip

with 8/16/32-bit and SPI host interfaces. The device is pin

compatible with Micrel’s KSZ8841 and KSZ8842 product

families.

The KSZ8851 integrates a Fast Ethernet MAC/PHY with

an 8/16/32-bit generic host processor interface and SPI

interface. The device has 18KB of internal buffer memory

shared between the RXQ and TXQ. The buffer memory on

the receive queue is 12KB while the buffer memory for the

transmit queue is 6KB.

The KSZ8851 is designed with flexibility in mind. The

device is designed using a low-power CMOS process

which features programmable IO options of 1.8/2.5/3.3V.

___________________________________________________________________________________________________________

Block Diagram

LinkMD is a registered trademark of Micrel, Inc.

Micrel, Inc.

Single Port MAC/PHY Controller with Non PCI Interface

TEL:

+1 408.944.0800

KSZ8851 Block Diagram

FAX

+ 1 408.474.1000

The KSZ8851 supports cable diagnostics feature LinkMD

and Hewlett Packard (HP) Auto-MDIX. The LinkMD

feature determines the length of the cabling plant and also

ascertains if there is an open or short condition in the

cable.

eliminates the need to differentiate between straight or

crossover cables.

The KSZ8851 is designed to be fully compliant with the

IEEE 802.3 standards. The KSZ8851 is also available in

industrial grade version.

All datasheets and support documentation can be found

on Micrel’s web site at: www.micrel.com.

KSZ8851MQL/MLL/SNL

Hewlett

Packard

http://

www.micrel.com

Product Brief

(HP)

Auto-MDIX

features

Related parts for KSZ8851MLL

KSZ8851MLL Summary of contents

Page 1

... The KSZ8851 is designed to be fully compliant with the IEEE 802.3 standards. The KSZ8851 is also available in industrial grade version. All datasheets and support documentation can be found on Micrel’s web site at: www.micrel.com. KSZ8851 Block Diagram +1 408.944.0800 : + 1 408 ...

Page 2

Features • Single chip 10BASE-T/100BASE-TX Ethernet controller with IEEE802.3u support • Supports IEEE 802.3x full-duplex flow control and half- duplex backpressure collision flow control • Single bus timing for register and data accesses • Supports burst data transfers • Flexible ...

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