Datasheet > LAN9221

LAN9221

更新时间： 2023-12-06 20:01:11

品牌	Logo	应用领域
美国微芯 - MICROCHIP		局域网局域网（LAN）标准
页数	文件大小	规格书
141页	1311K
描述
The LAN9221/LAN9221i is a full-featured, single-chip 10/100 Ethernet controller designed for embed

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数据手册

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LAN9221 数据手册

LAN9221/LAN9221i

High-Performance 16-bit Non-PCI 10/100 Ethernet Controller

with Variable Voltage I/O

• Single chip Ethernet controller

- Fully compliant with IEEE 802.3/802.3u stan-

Highlights

• Optimized for high performance applications

dards

• Efficient architecture with low CPU overhead

- Integrated Ethernet MAC and PHY

• Easily interfaces to most 16-bit embedded CPU’s

- 10BASE-T and 100BASE-TX support

• 1.8V to 3.3V variable voltage I/O accommodates

- Full- and Half-duplex support

wide range of I/O signalling without voltage level

shifters

• Integrated PHY with HP Auto-MDIX support

- Full-duplex flow control

- Backpressure for half-duplex flow control

- Preamble generation and removal

• Integrated checksum offload engine helps reduce

- Automatic 32-bit CRC generation and

CPU load

checking

• Low pin count and small body size package for

- Automatic payload padding and pad removal

small form factor system designs

- Loop-back modes

• Flexible address filtering modes

Target Applications

- One 48-bit perfect address

- 64 hash-filtered multicast addresses

- Pass all multicast

- Promiscuous mode

- Inverse filtering

- Pass all incoming with status report

- Disable reception of broadcast packets

• Integrated 10/100 Ethernet PHY

- Supports HP Auto-MDIX

• Cable, satellite, and IP set-top boxes

• Digital video recorders and DVD recorder/players

• Digital TV

• Digital media clients/servers and home gateways

• Video-over IP solutions, IP PBX & video phones

• Wireless routers & access points

• High-end audio distribution systems

- Auto-negotiation

- Supports energy-detect power down

• Host bus interface

- Simple, SRAM-like interface

- 16-bit data bus

- 16Kbyte FIFO with flexible TX/RX allocation

- One configurable host interrupt

• Miscellaneous features

- Small form factor, 56-pin QFN RoHS Compli-

ant package

- Integrated 1.8V regulator

- Integrated checksum offload engine

- Mixed endian support

- General Purpose Timer

Key Benefits

• Non-PCI Ethernet controller for high performance

applications

- 16-bit interface with fast bus cycle times

- Burst-mode read support

• Minimizes dropped packets

- Internal buffer memory can store over 200

packets

- Automatic PAUSE and back-pressure flow

control

• Minimizes CPU overhead

- Supports Slave-DMA

- Interrupt Pin with Programmable Hold-off

timer

• Reduces system cost and increases design flexi-

bility

• SRAM-like interface easily interfaces to most

embedded CPU’s or SoC’s

• Reduced Power Modes

- Optional EEPROM interface

- Support for 3 status LEDs multiplexed with

Programmable GPIO signals

• Single 3.3V Power Supply with Variable Voltage

I/O

• Commercial and Industrial Temperature Support

- Numerous power management modes

- Wake on LAN

- Magic packet wakeup

- Wakeup indicator event signal

- Link Status Change

 2006-2017 Microchip Technology Inc.

DS00002416A-page 1

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与LAN9221相关器件

型号	品牌	获取价格	描述	数据表
LAN9221-ABZJ	SMSC	获取价格	High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
LAN9221I	SMSC	获取价格	High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
LAN9221I-ABZJ	SMSC	获取价格	High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
LAN9250	MICROCHIP	获取价格	The LAN9250 is a full-featured, single-chip 10/100 Ethernet controller designed for embedd
LAN9250/PT	MICROCHIP	获取价格	IC,LAN NODE CONTROLLER,TQFP,64PIN
LAN9250T/ML	MICROCHIP	获取价格	IC,LAN NODE CONTROLLER,LLCC,64PIN
LAN9250T/PT	MICROCHIP	获取价格	IC,LAN NODE CONTROLLER,TQFP,64PIN
LAN9250TI/ML	MICROCHIP	获取价格	IC,LAN NODE CONTROLLER,LLCC,64PIN
LAN9250TV/ML	MICROCHIP	获取价格	IC,LAN NODE CONTROLLER,LLCC,64PIN
LAN9250V/ML	MICROCHIP	获取价格	IC,LAN NODE CONTROLLER,LLCC,64PIN

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