KSZ8841-PMQLI(2006) 查看數據表（PDF） - Micrel

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KSZ8841-PMQLI
(Rev.:2006)

Single-Port Ethernet MAC Controller with PCI Interface

Micrel 

Micrel, Inc.

KSZ8841-PMQL

Features

• Fully compliant with the IEEE802.3u standard

• Supports 10/100BASE-T/TX

• Supports IEEE 802.3x full-duplex flow control and half-

duplex backpressure collision flow control

• Supports burst data transfers

• 8KB internal memory for RX/TX FIFO buffers

• Early TX/RX functions to minimize latency through the

device

• Serial EEPROM configuration

• Single 25MHz reference clock for both PHY and MAC

Network Features

• Fully integrated to comply with IEEE802.3u standards

• 10BASE-T and 100BASE-TX physical layer support

• Auto-negotiation: 10/100Mbps full and half duplex

• Supports IEEE 802.1Q multiple VLAN tagging

• On-chip wave shaping – No external filters required

• Adaptive equalizer

• Baseline wander correction

Power Modes, Packaging, and Power Supplies

• Single power supply (3.3V) with 5V tolerant I/O buffers

• Enhanced power management feature with power

down feature to ensure low power dissipation during

device idle periods

• Comprehensive LED indicator support for link, activity,

full/half duplex, and 10/100 speed (4 LEDs)

• Low power CMOS design

• Commercial Temperature Range: 0oC to +70oC

• Industrial Temperature Range: –40oC to +85oC

(KSZ8841-PMQLI)

• Available in 128-pin PQFP

Additional Features

• Single chip Ethernet controller with IEEE 802.3u

support

• 32 bit/33MHz PCI bus for different host processor

interfaces

• Dynamic buffer memory scheme

– Essential for applications such as Video over IP

where image jitter is unacceptable

• Micrel LinkMD™ cable diagnostic capabilities to

determine cable length and distance to fault, and to

diagnose faulty cables

• Wake-on-LAN technology

– Incorporates Magic Packet™, network link state,

and wake-up frame technology

• HP Auto MDIX crossover with disable and enable

option

• Enhanced power management feature with power-

down feature

Applications

• Video Distribution Systems

• High-end Cable, Satellite, and IP set-top boxes

• Video over IP

• Voice over IP (VoIP) and Analog Telephone Adapters

(ATA)

Markets

• Fast Ethernet

• Embedded Ethernet

• Industrial Ethernet

•

Ordering Information

Part Number

KSZ8841-PMQL

KSZ8841-PMQLI

Junction

Temp. Range

0oC to 70oC

–40oC to +85oC

Package

128-Pin PQFP

128-Pin PQFP

June 2006

2

M9999-061206-1.2

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