KSZ8862-16_10 MICREL [Micrel Semiconductor], KSZ8862-16_10 Datasheet

KSZ8862-16_10

Manufacturer Part Number

KSZ8862-16_10

Description

2-Port Ethernet Switch with Non-PCI Interface and Fiber Support

Manufacturer

MICREL [Micrel Semiconductor]

Datasheet

1.KSZ8862-16_10.pdf (125 pages)

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General Description

The KSZ8862M is 2-port switch with non-PCI CPU

interface and fiber support, and is available in 8/16-bit

and 32-bit bus designs (see Ordering Information). This

datasheet describes the KSZ8862M non-PCI CPU

interface chip.

The KSZ8862M is the industry’s first fully managed, 2-

port switch with a non-PCI CPU interface and fiber

support. It is based on a proven, 4

integrated Layer-2 switch, compliant with IEEE 802.3u

standards.

For industrial applications, the KSZ8862M can run in

half-duplex mode regardless of the application.

In fiber mode, port 1 can be configurable to either

100BASE-FX or 100BASE-SX/10BASE-FL.

The LED driver and post amplifier are also included for

10Base-FL and 100Base-SX applications.

Functional Diagram

LinkMD is a registered trademark of Micrel, Inc.

August 2010

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

E E P R O M I / F

P 1 L E D [ 3 : 0 ]

P 2 L E D [ 3 : 0 ]

8 , 1 6 , o r 3 2 - b i t

G e n e r i c H o s t

I n t e r f a c e

C o p p e r

P o r t 2

P o r t 1

F i b e r

T X

R X

I n t e r f a c e

N o n - P C I

C P U

B u s

U n i t

D r i v e r

1 0 / 1 0 0 B a s e -

P o s t

A m p

L E D

P H Y 2

T / T X

D r i v e r s

L E D

Figure 1. KSZ8862M Functional Diagram

generation,

C h a n n e l

Q M U

D M A

1 0 / 1 0 0 B a s e -

F L / F X / S X

P H Y 1

R e g i s t e r s

C o n t r o l

R X Q

4 K B

T X Q

4 K B

2-Port Ethernet Switch with Non-PCI Interface

1 0 / 1 0 0

M A C 2

In copper mode, port 2 supports 10/100BASE-T/TX with

HP Auto MDI/MDI-X for reliable detection of and

correction for straight-through and crossover cables.

Micrel’s

Reflectometry (TDR)-based function is also available for

determining the cable length, as well as cable

diagnostics for identifying faulty cabling.

The KSZ8862M 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 KSZ8862M 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.

1 0 / 1 0 0

M A C 1

S w i t c h

M A C

H o s t

KSZ8862-16/32MQL

proprietary

and Fiber Support

Rev 3.1

M a n a g e m e n t

S c h e d u l i n g

1 K l o o k - u p

C o u n t e r s

E E P R O M

I n t e r f a c e

B u f f e r s

E n g i n e

F r a m e

B u f f e r

M I B

LinkMD

Time

M9999-081310-3.1

LinkMD

Domain

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