Datasheet > CS8920A

CS8920A

更新时间： 2024-01-08 18:48:41

品牌	Logo	应用领域
凌云 - CIRRUS		控制器局域网以太网以太网：16GBASE-T
页数	文件大小	规格书
144页	1223K
描述
CRYSTAL LAN ISA PLUG-AND-PLAY ETHERNET CONTROLLER

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技术参数
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CS8920A 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	风险等级：	5.81
Is Samacsys：	N	地址总线宽度：	24
边界扫描：	YES	总线兼容性：	ISA
最大时钟频率：	11 MHz	数据编码/解码方法：	NRZ; BIPH-LEVEL(MANCHESTER)
最大数据传输速率：	1.25 MBps	外部数据总线宽度：	16
JESD-30 代码：	S-PQFP-G144	JESD-609代码：	e0
低功率模式：	YES	DMA 通道数量：
I/O 线路数量：		串行 I/O 数：	2
端子数量：	144	片上数据RAM宽度：	8
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	QFP
封装等效代码：	QFP144,.87SQ,20	封装形状：	SQUARE
封装形式：	FLATPACK	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	5 V	认证状态：	Not Qualified
RAM（字数）：	4000	子类别：	Serial IO/Communication Controllers
最大压摆率：	130 mA	最大供电电压：	5.25 V
最小供电电压：	4.75 V	标称供电电压：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
uPs/uCs/外围集成电路类型：	SERIAL IO/COMMUNICATION CONTROLLER, LAN	Base Number Matches：	1

CS8920A 数据手册

CS8920A

Advanced Product Databook

FEATURES

■ Single-Chip IEEE 802.3 Ethernet Controller with

&U\VWDOꢀ/$1 ISA

Plug-and-Play Ethernet

Controller

Direct ISA-Bus Interface

■ Implements Industry-Standard Plug and Play

■ Full Duplex Operation

DESCRIPTION

■ Auto-Negotiation of Full and Half duplex Modes

The CS8920A is a low-cost Ethernet LAN Control-

ler optimized for Industry Standard Architecture

(ISA) Personal Computers. Its highly-integrated

design eliminates the need for costly external com-

ponents required by other Ethernet controllers.

■ Recognizes Received Magic Packet™ Framesand

Requests the Processor to Power Up

■ Supported by Complete Family of Device Drivers

■ Efficient PacketPage™ Architecture Operates in

I/O and Memory Space, and as DMA Slave

In addition to high integration, the CS8920A offers

a broad range of performance features and config-

■ On-Chip RAM Buffers Transmit & Receive Frames

■ 10BASE-T Port with Internal Analog Filters

■ AUI Port for 10BASE2, 10BASE5 and 10BASE-F

■ Programmable Receive Features:

uration

options.

Its

unique

PacketPage

architecture automatically adapts to changing net-

work traffic patterns and available system

resources. The result is increased system efficien-

cy and minimized CPU overhead.

— StreamTransfer™ for Reduced CPU Overhead

— Auto-Switch Between DMA and On-Chip Memory

— Early Interrupts for Frame Pre-Processing

■ Four LED Drivers for Link Status, Full Duplex, and

The CS8920A is available in a thin 144-pin TQFP

package ideally suited for small form-factor, cost-

sensitive Ethernet applications, such as desktop

and portable motherboards. With the CS8920A,

system engineers can design a complete Plug-

and-Play Ethernet circuit that occupies less than

2.0 square inches (14 sq. cm) of board space.

LAN Activity

■ Small 144-pin TQFP package, and minimal exter-

nal components (transformer, crystal and

optional EEPROM)

ORDERING INFORMATION

Contact Cirrus to check on the availability of CS8920A

for use in ISA form-factor adapter-card applications.

CS8920A-CQ0 to 70É C

CDK8920A

144-pin TQFP

Developer's Kit

Crystal LAN is a trademark of Cirrus Logic, Inc.

Magic Packet is a trademark of Advanced Micro Devices, Inc.

20 MHz

XTAL

EEPROM

CS8920 ISA Ethernet Controller

LED

Control

Clock

10BASE-T

RX Filters &

Receiver

EEPROM

Control

RAM

RJ-45 10BASE-T

ISA

Bus

Logic

Plug

and

Play

10BASE-T

TX Filters &

Transmitter

Encoder/

Decoder

PLL

AUI

Transmitter

Attachment

Unit

Interface

(AUI)

802.3

MAC

Engine

and Auto

Negotiation

AUI

Collision

Memory

Manager

Power

Manager

AUI

Receiver

SEP ‘97

DS238PP2

12 3 4 5 6 7...144

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与CS8920A相关器件

型号	品牌	描述	获取价格	数据表
CS8920A-CQ	CIRRUS	CRYSTAL LAN ISA PLUG-AND-PLAY ETHERNET CONTROLLER	获取价格
CS8920-CQ	ETC	LAN Node Controller	获取价格
CS8952	CIRRUS	CrystalLAN 100BASE-X and 10BASE-T Transceiver	获取价格
CS8952_07	CIRRUS	CrystalLAN 100BASE-X and 10BASE-T Transceiver	获取价格
CS8952-CQ	CIRRUS	CrystalLAN 100BASE-X and 10BASE-T Transceiver	获取价格
CS8952-CQZ	CIRRUS	CrystalLAN 100BASE-X and 10BASE-T Transceiver	获取价格

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