Datasheet > KSZ9031RNX

KSZ9031RNX

更新时间： 2024-11-10 01:17:55

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
75页	973K
描述
Gigabit Ethernet Transceiver with RGMII Support

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KSZ9031RNX 数据手册

KSZ9031RNX

Gigabit Ethernet Transceiver

with RGMII Support

Data Sheet Rev. 1.0

General Description

Features

The KSZ9031RNX 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

• RGMII timing supports on-chip delay according to

RGMII Version 2.0, with programming options for

external delay and making adjustments and corrections

to TX and RX timing paths

The KSZ9031RNX provides the Reduced Gigabit Media

Independent Interface (RGMII) for direct connection to

RGMII MACs in Gigabit Ethernet processors and switches

for data transfer at 10/100/1000Mbps.

• RGMII with 3.3V/2.5V/1.8V tolerant I/Os

• Auto-negotiation to automatically select the highest link-

The KSZ9031RNX 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.

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 KSZ9031RNX 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 KSZ9031 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.

• Jumbo frame support up to 16KB

• 125MHz reference clock output

• Energy detect power-down mode for reduced power

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

The KSZ9031RNX is available in a 48-pin, lead-free QFN

package (see “Ordering Information”).

Data sheets and support documentation are available on

Micrel’s web site at: www.micrel.com.

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

detection

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...75

中文翻译

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与KSZ9031RNX相关器件

型号	品牌	获取价格	描述	数据表
KSZ9031RNXCA	MICREL	获取价格	MIC94300/MIC94310 - Power Supply Output Noise Attenuators
KSZ9031RNXCA	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER
KSZ9031RNXCA-TR	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER, QCC48
KSZ9031RNXCC	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER
KSZ9031RNXCC-TR	MICROCHIP	获取价格	IC TXRX ETHERNET 48QFN
KSZ9031RNX-EVAL	MICREL	获取价格	Gigabit Ethernet Transceiver with RGMII Support
KSZ9031RNXIA	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER
KSZ9031RNXIA-TR	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER, QCC48
KSZ9031RNXIC	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER
KSZ9031RNXIC-TR	MICROCHIP	获取价格	IC TXRX ETHERNET

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