lan9420 Standard Microsystems Corp., lan9420 Datasheet

lan9420

Manufacturer Part Number

lan9420

Description

Lan9420/lan9420i Single-chip Ethernet Controller With Hp Auto-mdix Support And Pci Interface

Manufacturer

Standard Microsystems Corp.

Datasheet

1.LAN9420.pdf (169 pages)

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PRODUCT FEATURES

Highlights

Target Applications

Key Benefits

SMSC LAN9420/LAN9420i

Optimized for embedded applications with 32-bit

Integrated descriptor based scatter-gather DMA and

Integrated Ethernet MAC with full-duplex support

Integrated 10/100 Ethernet PHY with HP Auto-MDIX

32-bit, 33MHz, PCI 3.0 compliant interface

Reduced power operating modes with PCI Power

Supports multiple audio & video streams over

Cable, satellite, and IP set-top boxes

Digital televisions

Digital video recorders

Home gateways

Digital media clients/servers

Industrial automation systems

Industrial/single board PC

Kiosk/POS enterprise equipment

Integrated High-Performance 10/100 Ethernet

RISC CPUs

IRQ deassertion timer effectively increase network

throughput and reduce CPU loading

support

Management Specification 1.1 compliance

Ethernet

Controller

— 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

— Preamble generation and removal

— Automatic 32-bit CRC generation and checking

— Automatic payload padding and pad removal

— Loop-back modes

— Flexible address filtering modes

– One 48-bit perfect address

– 64 hash-filtered multicast addresses

– Pass all multicast

– Promiscuous mode

DATASHEET

PCI Interface

Comprehensive Power Management Features

General Purpose I/O

Support for Optional EEPROM

Miscellaneous Features

Single 3.3V Power Supply

Packaging

Environmental

— Wakeup packet support

— Integrated 10/100 Ethernet PHY

— Support for 3 status LEDs

— Receive and transmit TCP checksum offload

— PCI Local Bus Specification Revision 3.0 compliant

— 32-bit/33-MHz PCI bus

— Descriptor based scatter-gather DMA enables zero-

— Supports PCI Bus Power Management Interface

— Supports optional wake from D3cold

— Wake on LAN

— Wake on link status change (energy detect)

— Magic packet wakeup

— 3 programmable GPIO pins

— 2 GPO pins

— Serial interface provided for EEPROM

— Used to store PCI and MAC address configuration

— Big/Little/Mixed endian support for registers,

— IRQ deassertion timer

— General purpose timer

— Integrated 1.8V regulator

— Available in 128-pin VTQFP Lead-free RoHS Compliant

— Available in commercial & industrial temperature ranges

LAN9420/LAN9420i

Single-Chip Ethernet

Controller with HP

Auto-MDIX Support and

PCI Interface

copy drivers

Specification, Revision 1.1

(via configuration strap option when Vaux is available)

values

descriptors, and buffers

package

– Inverse filtering

– Pass all incoming with status report

– Auto-negotiation

– Automatic polarity detection and correction

– Supports HP Auto-MDIX

– Supports energy-detect power down

Revision 1.1 (03-31-08)

Datasheet

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