Datasheet > KSZ9031MNX

KSZ9031MNX

更新时间： 2024-11-06 12:00:39

品牌	Logo	应用领域
麦瑞 - MICREL		以太网
页数	文件大小	规格书
76页	959K
描述
The KSZ9031MNX is a completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Ethernet physicallayer transceiver for transmission and reception of data on standard CAT-5 unshielded twisted pair (UTP) cable.

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KSZ9031MNX 数据手册

KSZ9031MNX

Gigabit Ethernet Transceiver

with GMII/MII Support

Data Sheet Rev. 1.0

General Description

Features

The KSZ9031MNX is a completely integrated triple-speed

(10Base-T/100Base-TX/1000Base-T) Ethernet physical-

layer transceiver for transmission and reception of data on

standard CAT-5 unshielded twisted pair (UTP) cable.

• Single-chip 10/100/1000Mbps IEEE 802.3 compliant

Ethernet transceiver

• GMII/MII standard interface with 3.3V/2.5V/1.8V tolerant

I/Os

The KSZ9031MNX offers the industry-standard GMII/MII

(Gigabit Media Independent Interface / Media Independent

Interface) for connection to GMII/MII MACs in Gigabit

Ethernet processors and switches for data transfer at

1000Mbps or 10/100Mbps.

• Auto-negotiation to automatically select the highest link-

up speed (10/100/1000Mbps) and duplex (half/full)

• On-chip termination resistors for the differential pairs

• On-chip LDO controller to support single 3.3V supply

operation – requires only one external FET to generate

1.2V for the core

The KSZ9031MNX reduces board cost and simplifies

board layout by using on-chip termination resistors for the

four differential pairs and by integrating an LDO controller

to drive a low-cost MOSFET to supply the 1.2V core.

• Jumbo frame support up to 16KB

• 125MHz reference clock output

• Energy-detect power-down mode for reduced power

The KSZ9031MNX offers diagnostic features to facilitate

system bring-up and debugging in production testing and

in product deployment. Parametric NAND tree support

enables fault detection between KSZ9031MNX I/Os and

the board. The LinkMD^®TDR-based cable diagnostic

identifies faulty copper cabling. Remote and local loopback

functions verify analog and digital data paths.

consumption when the cable is not attached

• Energy Efficient Ethernet (EEE) support with low-power

idle (LPI) mode and clock stoppage for 100Base-TX/

1000Base-T and transmit amplitude reduction with

10Base-Te option

• Wake-on-LAN (WOL) support with robust custom-packet

The KSZ9031MNX is available in a 64-pin, lead-free QFN

package (see “Ordering Information”).

detection

Data sheets and support documentation are available on

Micrel’s web site at: www.micrel.com.

Functional Diagram

LinkMD is a registered trademark of Micrel, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-103112-1.0

October 2012

12 3 4 5 6 7...76

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与KSZ9031MNX相关器件

型号	品牌	获取价格	描述	数据表
KSZ9031MNXCA	MICREL	获取价格	The KSZ9031MNX is a completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Et
KSZ9031MNXCA	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER
KSZ9031MNXCA-TR	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER
KSZ9031MNXCC	MICREL	获取价格	The KSZ9031MNX is a completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Et
KSZ9031MNXCC	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER
KSZ9031MNXCC-TR	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER, QCC64
KSZ9031MNX-EVAL	MICREL	获取价格	The KSZ9031MNX is a completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Et
KSZ9031MNXIA	MICREL	获取价格	The KSZ9031MNX is a completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Et
KSZ9031MNXIA	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER
KSZ9031MNXIATR	MICREL	获取价格	IC,LAN TRANSCEIVER,SINGLE,LLCC,64PIN,PLASTIC

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