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KSZ8842-16MBL-EVAL

更新时间： 2024-11-14 11:32:07

品牌	Logo	应用领域
麦瑞 - MICREL		PC 以太网
页数	文件大小	规格书
141页	764K
描述
2-Port Ethernet Switch with Non-PCI Interface

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中文翻译

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数据手册

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KSZ8842-16/32

MQL/MVL/MVLI/MBL

2-Port Ethernet Switch with Non-PCI Interface

Data Sheet Rev 1.9

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.

LinkMD^®

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 is the industry’s first fully managed, 2-

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

a proven, 4^thgeneration, integrated Layer-2 switch,

compliant with IEEE 802.3u standards. Also an industrial

temperature grade version of the KSZ8842, the

KSZ8842MVLI, can be ordered (see Ordering

Information).

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.

The KSZ8842M can be configured as a switch or as a

low-latency (≤ 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.

Functional Diagram

1 K lo o k -u p

E n g in e

P 1 H P A u to

M D I/M D I-X

1 0 /1 0 0 B a s e -

T /T X

1 0 /1 0 0

M A C

P H Y

S c h e d u lin g

M a n a g e m e n t

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

1 0 /1 0 0

M A C

P H Y

B u ffe r

M a n a g e m e n t

R X Q

4 K B

Q M U

D M A

C h a n n e l

S w itc h

H o s t

N o n -P C I

C P U

M A C

T X Q

4 K B

e d

E m b e d d

s o r In te rfa c e

B u s

In te rfa c e

U n it

F ra m e

B u ffe rs

P ro c e s

C o n tro l

R e g is te rs

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

G e n e ric H o s t

In te rfa c e

M IB

C o u n te rs

P 1 L E D [3 :0 ]

P 2 L E D [3 :0 ]

L E D

D riv e rs

E E P R O M

In te rfa c e

E E P R O M I/F

Figure 1. KSZ8842M Functional Diagram

LinkMD is a registered trademark of Micrel, Inc.

Product names used in this datasheet are for identification purposes only and may be trademarks of their respective companies

M9999-102207-1.9

October 2007

12 3 4 5 6 7...141

中文翻译

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与KSZ8842-16MBL-EVAL相关器件

型号	品牌	获取价格	描述	数据表
KSZ8842-16MBLI	MICREL	获取价格	2-Port Ethernet Switch with Non-PCI Interface
KSZ8842-16MBLI	MICROCHIP	获取价格	DATACOM, LAN SWITCHING CIRCUIT, PBGA100
KSZ8842-16MBLITR	MICREL	获取价格	KSZ8842-16MBLITR
KSZ8842-16MBLI-TR	MICROCHIP	获取价格	DATACOM, LAN SWITCHING CIRCUIT
KSZ8842-16MBL-TR	MICROCHIP	获取价格	DATACOM, LAN SWITCHING CIRCUIT
KSZ8842-16MQL	MICREL	获取价格	2-Port Ethernet Switch with Non-PCI Interface
KSZ8842-16MQL	MICROCHIP	获取价格	DATACOM, LAN SWITCHING CIRCUIT, PQFP128
KSZ8842-16MQL-EVAL	MICREL	获取价格	2-Port Ethernet Switch with Non-PCI Interface
KSZ8842-16MQLI-TR	MICROCHIP	获取价格	Two-Port Ethernet Switch with Non-PCI Interface
KSZ8842-16MVL	MICREL	获取价格	2-Port Ethernet Switch with Non-PCI Interface

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