麦克雷尔INC 。

KSZ8895MQ/RQ/FMQ

目录

引脚配置..........................................................................................................................................................13

引脚说明..............................................................................................................................................................14

引脚搭接，在选项中................................................................................................................................................21

介绍...................................................................................................................................................................24

功能概述：物理层收发器....................................................................................................24

100BASE -TX发射...............................................................................................................................................24

100BASE -TX接收................................................................................................................................................24

PLL时钟合成器................................................................................................................................................25

加扰/解扰器（仅限100BASE -TX ） .............................................................................................................25

100BASE- FX操作..............................................................................................................................................25

100BASE- FX信号检测...................................................................................................................................25

100BASE- FX远端故障........................................................................................................................................25

10Base-T传输....................................................................................................................................................25

10BASE -T接收.....................................................................................................................................................25

MDI / MDI -X自动交叉........................................................................................................................................25

直连电缆.........................................................................................................................................................26

交叉电缆.....................................................................................................................................................27

自动协商.........................................................................................................................................................27

片上端接电阻...................................................................................................................................29

内部1.2V LDO控制器......................................................................................................................................29

功能概述：电源管理.................................................................................................................29

正常工作模式.............................................................................................................................................29

能量检测模式...................................................................................................................................................30

软掉电模式..............................................................................................................................................30

省电模式....................................................................................................................................................30

基于端口的省电模式...................................................................................................................................30

功能概述：核心交换机..............................................................................................................................30

地址查询........................................................................................................................................................30

学习......................................................................................................................................................................30

迁移.....................................................................................................................................................................31

老化........................................................................................................................................................................... 31

转发..................................................................................................................................................................31

交换引擎........................................................................................................................................................31

媒体接入控制器（MAC ）操作................................................................................................................31

包间间隔（ IPG ） ...........................................................................................................................................31

退避Algorithm....................................................................................................................................................31

晚碰撞..........................................................................................................................................................31

非法报文.........................................................................................................................................................32

流量控制............................................................................................................................................................32

半双工背压....................................................................................................................................35

广播风暴保护....................................................................................................................................35

2013年1月22日

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修订版1.6