KSZ8995X

更新时间： 2024-09-16 07:17:07

品牌	Logo	应用领域
麦瑞 - MICREL		电信集成电路开关局域网局域网（LAN）标准
页数	文件大小	规格书
51页	219K
描述
Integrated 5-Port 10/100 QoS Switch

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KSZ8995X 数据手册

KS8995X

Micrel

KS8995X

Integrated 5-Port 10/100 QoS Switch

Rev. 1.13

General Description

Features

The KS8995X is a highly integrated Layer-2 QoS (Quality of

Service)switchwithoptimizedBOM(BillofMaterials)costfor

low port count, cost-sensitive 10/100Mbps switch systems. It

also provides an extensive feature set including three differ-

ent QoS priority schemes, a dual MII interface for BOM cost

reduction, rate limiting to offload CPU tasks, software and

hardware power-down, a MDC/MDIO control interface and

port mirroring/monitoring to effectively address both current

and emerging Fast Ethernet applications.

• Integrated switch with five MACs and five Fast Ethernet

transceivers fully compliant to IEEE 802.3u standard

• Shared memory based switch fabric with fully non-

blocking configuration

• 10BaseT, 100BaseTX and 100BaseFX modes (FX in

Ports 4 and 5)

• Dual MII configuration: MII-Switch (MAC or PHY mode

MII) and MII-P5 (PHY mode MII)

• VLAN ID tag/untag options, per-port basis

• Enable/disable option for huge frame size up to 1916

bytes per frame

• Broadcast storm protection with percent control – global

and per-port basis

• Optimization for fiber-to-copper media conversion

• Full-chip hardware power-down support (register

configuration not saved)

• Per-port-based software power-save on PHY (idle link

detection, register configuration preserved)

• QoS/CoS packets prioritization supports: per port,

802.1p and DiffServ based

The KS8995X contains five 10/100 transceivers with pat-

ented mixed-signal low-power technology, five MAC (Media

Access Control) units, a high-speed non-blocking switch

fabric, a dedicated address lookup engine, and an on-chip

frame buffer memory.

All PHY units support 10BaseT and 100BaseTX. In addition,

two of the PHY units support 100BaseFX (Ports 4 and 5).

All support documentation can be found on Micrel’s web site

at www.micrel.com.

Functional Diagram

10/100

T/Tx 1

10/100

MAC 1

Auto

MDI/MDIX

1K look-up

Engine

10/100

T/Tx 2

10/100

MAC 2

Auto

MDI/MDIX

Queue

Mgmnt

10/100

T/Tx 3

10/100

MAC 3

Auto

MDI/MDIX

Buffer

Mgmnt

10/100

T/Tx/Fx 4

10/100

MAC 4

Auto

MDI/MDIX

10/100

T/Tx/Fx 5

10/100

MAC 5

Auto

MDI/MDIX

MII-P5

MDC, MDI/O

MII-SW or SNI

Frame

Buffers

SNI

LED0[5:1]

LED1[5:1]

LED2[5:1]

Control

Registers

EEPROM

I/F

LED I/F

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

December 2003

M9999-120403

12 3 4 5 6 7...51

中文翻译

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与KSZ8995X相关器件

型号	品牌	获取价格	描述	数据表
KSZ8995XA	MICREL	获取价格	Integrated 5-Port 10/100 QoS Switch
KSZ8997	MICREL	获取价格	8-Port 10/100 Integrated Switch with PHY and Frame Buffer
KSZ8999	MICREL	获取价格	Integrated 9-Port 10/100 Switch with PHY and Frame Buffer
KSZ8999I	MICREL	获取价格	Integrated 9-Port 10/100 Switch with PHY and Frame Buffer
KSZ9021GN	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER, QCC64
KSZ9021GNI	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER, QCC64
KSZ9021GQ	MICREL	获取价格	Single-port 10/100/1000Base-T Gigabit Transceiver
KSZ9021GQI	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER, PQFP128
KSZ9021GQITR	MICREL	获取价格	IC,LAN TRANSCEIVER,SINGLE,QFP,128PIN,PLASTIC
KSZ9021GQ-TR	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER

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