KSZ8842-16MQL-EVAL Datasheet

IC型號：
KSZ8842-16MQL-EVAL
PDF描述：
2-Port Ethernet Switch with Non-PCI Interface
文件大?。?/label>
2948.91KB
PDF頁數(shù)：
126頁
芯片廠家：
MICREL

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KSZ8842-16/32

MQL/MVL/MVLI

2-Port Ethernet Switch with Non-PCI Interface

Data Sheet Rev 1.4

General Description

The KSZ8842-series of 2-port switches includes PCI and

non-PCI CPU interfaces, and are available in 8/16-bit

and 32-bit bus designs (see

Ordering Information).

This datasheet describes the KSZ8842M-series of non-

PCI CPU interface chips. For information on the

KSZ8842 PCI CPU interface switches, refer to the

KSZ8842P datasheet.

The KSZ8842M is the industry鈥檚 first fully managed, 2-

port switch with a non-PCI CPU interface. It is based on

a proven, 4

generation, integrated Layer-2 switch,

compliant with IEEE 802.3u standards. Also an industrial

temperature grade version of the KSZ8842, the

KSZ8842MQLI, can be ordered (see

Ordering

Information).

The KSZ8842M can be configured as a switch or as a

low-latency (鈮?310 nanoseconds) repeater in latency-

critical, embedded or industrial Ethernet applications.

For industrial applications, the KSZ8842M can run in

half-duplex mode regardless of the application.

The KSZ8842M offers an extensive feature set that

includes tag/port-based VLAN, quality of service (QoS)

priority management, management information base

(MIB) counters, and CPU control/data interfaces to

effectively address Fast Ethernet applications.

The KSZ8842M contains: Two 10/100 transceivers with

patented, mixed-signal, low-power technology, two

media access control (MAC) units, a direct memory

access (DMA) channel, a high-speed, non-blocking,

switch fabric, a dedicated 1K entry forwarding table, and

an on-chip frame buffer memory.

Functional Diagram

P 1 H P A u to

M D I/M D I-X

1 K lo o k - u p

E n g in e

1 0 /1 0 0 B a s e -

T /T X

PHY 1

1 0 /1 0 0

MAC 1

FIFO, Flow Control, VLAN Tagging ,Priority

P 2 H P A u to

M D I/M D I-X

1 0 /1 0 0 B a s e -

T /T X

PHY 2

1 0 /1 0 0

MAC 2

S c h e d u lin g

M anagem ent

Em bedded

P r o c e s s o r In te r fa c e

N o n -P C I

CPU

Bus

In te r fa c e

U n it

QMU

DMA

C hannel

RXQ

4KB

B u ffe r

M anagem ent

TXQ

4KB

S w it c h

H ost

MAC

F ra m e

B u ffe rs

8 , 1 6 , o r 3 2 - b it

G e n e r ic H o s t

In te rfa c e

C o n tro l

R e g is t e r s

M IB

C o u n te rs

P 1 L E D [3 :0 ]

P 2 L E D [3 :0 ]

E E P R O M I/F

LED

D r iv e r s

EEPROM

In te rfa c e

Figure 1. KSZ8842M Functional Diagram

November 2005

Rev. 1.4

數(shù)據(jù)列表
KSZ8842-16/32MQL/MVL/MVLI/MBL
標準包裝
1
類別
編程器，開發(fā)系統(tǒng)
家庭
評估演示板和套件
系列
-
主要目的
接口，以太網(wǎng)控制器（PHY 和 MAC）
嵌入式
否
已用 IC / 零件
KSZ8842-16MQL
主要屬性
2 個端口，100BASE-TX/10BASE-T，管理型
次要屬性
8/16 位接口，LinkMD 線纜診斷
已供物品
板，CD，文檔，電源
相關(guān)產(chǎn)品
576-3076-ND - IC MAC CTLR 2PORT ETH 100-LFBGAKSZ8842-32MQLA6-ND - IC SWITCH 10/100 32BIT 128PQFP576-1479-ND - IC SWITCH 10/100 32BIT 128PQFP576-1478-5-ND - IC SWITCH 10/100 16BIT 128PQFP
其它名稱
576-1634

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KSZ8842-16MQL-EVAL Datasheet

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