Datasheet > KSZ8031RNL-TR

KSZ8031RNL-TR

更新时间： 2024-11-06 22:56:43

品牌	Logo	应用领域
美国微芯 - MICROCHIP		以太网：16GBASE-T
页数	文件大小	规格书
43页	574K
描述
IC TXRX ETHERNET 24QFN

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中文翻译

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数据手册

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KSZ8031RNL-TR 数据手册

KSZ8021RNL / KSZ8031RNL

10Base-T/100Base-TX PHY

with RMII Support

General Description

Features

The KSZ8031RNL is a single-supply 10Base-T/100Base-

TX Ethernet physical layer transceiver for transmission

and reception of data over standard CAT-5 unshielded

twisted pair (UTP) cable.

• Single-chip 10Base-T/100Base-TX IEEE 802.3

compliant Ethernet Transceiver

• RMII v1.2 Interface support with 50MHz reference clock

output to MAC, and option to input 50MHz reference

clock

The KSZ8031RNL is a highly-integrated, compact solution.

It reduces board cost and simplifies board layout by using

on-chip termination resistors for the differential pairs, by

integrating a low noise regulator to supply the 1.2V core,

and by offering 1.8/2.5/3.3V digital I/O interface support.

• RMII back-to-back mode support for 100Mbps copper

repeater or media converter

• MDC/MDIO Management Interface for PHY register

configuration

The KSZ8031RNL offers the Reduced Media Independent

Interface (RMII) for direct connection to RMII-compliant

MACs in Ethernet processors and switches.

• Programmable interrupt output

• LED outputs for link and activity status indication

• On-chip termination resistors for the differential pairs

• Baseline Wander Correction

• HP Auto MDI/MDI-X for reliable detection and

correction for straight-through and crossover cables

with disable and enable option

As the power-up default, the KSZ8031RNL uses a 25MHz

crystal to generate all required clocks, including the

50MHz RMII reference clock output for the MAC. The

KSZ8021RNL is the version that takes in the 50MHz RMII

reference clock as the power-up default.

To facilitate system bring-up and debugging in production

testing and in product deployment, parametric NAND tree

support enables fault detection between KSZ8031RNL

I/Os and board, while Micrel’s LinkMD^®TDR-based cable

diagnostics permit identification of faulty copper cabling.

• Auto-negotiation to automatically select the highest link-

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

• Power down and power saving modes

• LinkMD^®TDR-based cable diagnostics for identification

of faulty copper cabling

The KSZ8031RNL and KSZ8021RNL are available in 24-

pin, lead-free QFN packages (see Ordering Information).

• Parametric NAND Tree support for fault detection

between chip I/Os and board

Data sheets and support documentation can be found 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

August 2010

M9999-082710-1.0

12 3 4 5 6 7...43

中文翻译

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与KSZ8031RNL-TR相关器件

型号	品牌	获取价格	描述	数据表
KSZ8041	MICROCHIP	获取价格	KSZ8041 Silicon Errata and Data Sheet Clarification
KSZ8041FTL	MICREL	获取价格	10Base-T/100Base-TX/100Base-FX Physical Layer Transceiver
KSZ8041FTL	MICROCHIP	获取价格	KSZ8041 Silicon Errata and Data Sheet Clarification
KSZ8041FTLI	MICREL	获取价格	Physical Layer Transceiver 10/100BASE-T/TX/FX
KSZ8041FTLI-S	MICREL	获取价格	10Base-T/100Base-TX/100Base-FX Physical Layer Transceiver
KSZ8041FTL-S	MICREL	获取价格	10Base-T/100Base-TX/100Base-FX Physical Layer Transceiver
KSZ8041FTL-TR	MICROCHIP	获取价格	IC TXRX ETHERNET 48TQFP
KSZ8041MLL	MICREL	获取价格	10Base-T/100Base-TX/100Base-FX Physical Layer Transceiver
KSZ8041MLL	MICROCHIP	获取价格	KSZ8041 Silicon Errata and Data Sheet Clarification
KSZ8041MLLI	MICROCHIP	获取价格	IC TXRX PHY 10/100 3.3V 48LQFP

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