KSZ8993M 参数 Datasheet PDF下载

麦克雷尔INC 。

KSZ8993M/ML

目录

图列表.........................................................................................................................................9

名单Tables...........................................................................................................................................9

引脚说明和I / O Assignment...................................................................................................10

针Configuration..................................................................................................................................20

功能描述.........................................................................................................................21

功能概述：物理层收发器............................................ ................................ 21

100BASE-TX Transmit.........................................................................................................................................................21

100BASE -TX接收..........................................................................................................................................................21

PLL时钟Synthesizer........................................................................................................................................................22

加扰/解扰器（ 100BASE -TX专用） ...................................................................................................................22

100BASE- FX Operation.......................................................................................................................................................22

100BASE- FX信号Detection............................................................................................................................................22

100BASE- FX远端Fault.................................................................................................................................................22

10Base-T传输.............................................................................................................................................................23

10BASE -T接收..............................................................................................................................................................23

动力Management.............................................................................................................................................................23

MDI / MDI -X自动Crossover................................................................................................................................................23

直连电缆

................................................................................................................................................................23

交叉电缆............................................................................................................................................................25

自动协商.................................................................................................................................................................25

功能概述： MAC地址和交换机............................................ .................................................. 27

地址查询..................................................................................................................................................................27

学习...............................................................................................................................................................................27

迁移..............................................................................................................................................................................27

老化....................................................................................................................................................................................27

Forwarding...........................................................................................................................................................................27

交换引擎................................................................................................................................................................30

MAC操作....................................................................................................................................................................30

包间间隙（ IPG ） ..................................................................................................................................................30

回退Algorithm.........................................................................................................................................................30

晚碰撞.................................................................................................................................................................30

非法报文................................................................................................................................................................30

流Control...................................................................................................................................................................30

半双工背压.............................................................................................................................................30

广播风暴保护...........................................................................................................................................31

MII接口Operation........................................................................................................................................................31

SNI （ 7线）操作........................................................................................................................................................32

MII管理接口（ MIIM ） .......................................................................................................................................32

串行管理接口（ SMI ） ....................................................................................................................................33

先进的开关功能................................................................................................................34

生成树Support.......................................................................................................................................................34

上游的特殊标记模式.......................................................................................................................................35

支持IGMP ......................................................................................................................................................................36

“ IGMP ”侦听...........................................................................................................................................................36

在静态MAC “多播地址插入” Table...................................................................................................36

端口镜像Support........................................................................................................................................................36

IEEE 802.1Q VLAN支持................................................................................................................................................36

QoS优先级Support...........................................................................................................................................................37

速率限制支持.........................................................................................................................................................39

配置接口.......................................................................................................................................................39

I

2

C中间串行总线配置..............................................................................................................................39

I

2

I2C从串行总线配置................................................................................................................................40

SPI从机串行总线配置...............................................................................................................................40

环回Support...............................................................................................................................................................44

MII管理（ MIIM ）寄存器.......................................................................................................45

2008年10月

6

M9999-020606