Datasheet > LAN9420-NU

LAN9420-NU

更新时间： 2022-02-26 12:19:58

品牌	Logo	应用领域
SMSC		PC
页数	文件大小	规格书
171页	1956K
描述
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface

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中文翻译

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数据手册

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LAN9420-NU 数据手册

LAN9420/LAN9420i

Single-Chip Ethernet Controller

with HP Auto-MDIX Support and

PCI Interface

Datasheet

PRODUCT FEATURES

–

Promiscuous mode

Inverse filtering

Pass all incoming with status report

Highlights

Optimized for embedded applications with 32-bit

RISC CPUs

—

Wakeup packet support

Integrated 10/100 Ethernet PHY

–

Integrated descriptor based scatter-gather DMA and

IRQ deassertion timer effectively increase network

throughput and reduce CPU loading

Auto-negotiation

Automatic polarity detection and correction

Supports HP Auto-MDIX

Integrated Ethernet MAC with full-duplex support

Supports energy-detect power down

Integrated 10/100 Ethernet PHY with HP Auto-MDIX

support

—

Support for 3 status LEDs

Receive and transmit TCP checksum offload

32-bit, 33MHz, PCI 3.0 compliant interface

PCI Interface

—

PCI Local Bus Specification Revision 3.0 compliant

32-bit/33-MHz PCI bus

Descriptor based scatter-gather DMA enables zero-

copy drivers

Reduced power operating modes with PCI Power

Management Specification 1.1 compliance

Supports multiple audio & video streams over

Ethernet

Comprehensive Power Management Features

—

Supports PCI Bus Power Management Interface

Specification, Revision 1.1

Target Applications

Cable, satellite, and IP set-top boxes

Digital televisions

—

Supports optional wake from D3cold

(via configuration strap option when Vaux is available)

Wake on LAN

Wake on link status change (energy detect)

Magic packet wakeup

—

Digital video recorders

Home gateways

Digital media clients/servers

Industrial automation systems

Industrial/single board PC

Kiosk/POS enterprise equipment

General Purpose I/O

—

3 programmable GPIO pins

2 GPO pins

Support for Optional EEPROM

—

Serial interface provided for EEPROM

Used to store PCI and MAC address configuration

values

Key Benefits

Integrated High-Performance 10/100 Ethernet

Controller

Miscellaneous Features

—

Big/Little/Mixed endian support for registers,

descriptors, and buffers

IRQ deassertion timer

General purpose timer

—

Fully compliant with IEEE802.3/802.3u

Integrated Ethernet MAC and PHY

10BASE-T and 100BASE-TX support

Full- and half-duplex support

—

Full-duplex flow control

Single 3.3V Power Supply

—

Preamble generation and removal

Automatic 32-bit CRC generation and checking

Automatic payload padding and pad removal

Loop-back modes

Integrated 1.8V regulator

Packaging

—

Available in 128-pin VTQFP Lead-free RoHS Compliant

package

Flexible address filtering modes

Environmental

—

–

One 48-bit perfect address

64 hash-filtered multicast addresses

Pass all multicast

Available in commercial & industrial temperature ranges

SMSC LAN9420/LAN9420i

DATASHEET

Revision 1.6 (07-18-11)

12 3 4 5 6 7...171

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