麦克雷尔INC 。

KSZ8993M/ML

包Information.............................................................................................................................86

图列表

图1.典型的直连电缆连接.......................................................................................................................................25

图2.典型的交叉电缆连接...................................................................................................................................25

图3.自动协商和并联运行.............................................................................................................................26

图4.目的地址查找流程图，第1阶段..............................................................................................................27

图5.目标地址解析流程图，第2阶段........................................................................................................28

图6. 802.1p优先级字段格式..................................................................................................................................................37

图7. KSZ8993M EEPROM配置时机Diagram..........................................................................................................38

图8. SPI写入数据Cycle...............................................................................................................................................................42

图9. SPI读取数据周期...............................................................................................................................................................42

图10. SPI多Write..................................................................................................................................................................42

图11. SPI多Read..................................................................................................................................................................43

图12.环回路径......................................................................................................................................................................44

图13. EEPROM接口输入时序图..........................................................................................................................76

图14. EEPROM接口输出时序图.......................................................................................................................76

图15. SNI输入时序Diagram....................................................................................................................................................77

图16. SNI输出时序Diagram.................................................................................................................................................77

从MII接收数据 - 图17. MAC模式MII时序..............................................................................................................79

图18. MAC模式MII定时 - 数据输入到MII ..........................................................................................................................78

图19. PHY模式MII定时 - 数据从MII接收...............................................................................................................79

图20. PHY模式MII定时 - 数据输入到MII...........................................................................................................................79

图21. SPI输入Timing....................................................................................................................................................................81

图22. SPI输出Timing.................................................................................................................................................................82

图23.复位时序.........................................................................................................................................................................83

128引脚PQFP Package...........................................................................................................................................................................86

表格清单

表1. FX和TX模式选择......................................................................................................................................................22

表2. MDI / MDI -X引脚Definitions........................................................................................................................................................23

表3. MII信号.................................................................................................................................................................................31

表4. SNI信号................................................................................................................................................................................32

表5. MII管理接口的帧格式..............................................................................................................................33

表6.串行管理接口（ SMI ）框架Format................................................................................................................33

表7.上游特殊标记模式格式..............................................................................................................................35

表8. STPID出口规则（交换机端口3 Processor)................................................................................................................35

表9. FID + DA查找在VLAN模式...............................................................................................................................................37

表10. FID + SA查找在VLAN模式.............................................................................................................................................37

表11. KSZ8993M SPI Connections..................................................................................................................................................41

表12.格式的静态MAC地址表（ 8 Entries)................................................................................................................................67

表13.格式的静态VLAN表（ 16项） ............................................................................................................................69

表14.格式的动态MAC地址表（ 1K项） ........................................................................................................69

表15.格式“每端口” MIB的Counters......................................................................................................................................70

表16.端口1“每端口” MIB计数器间接记忆Offsets................................................................................................71

表17.端口1的“每端口” MIB计数器间接记忆Offsets...............................................................................................72

表18.格式的“所有端口丢弃的数据包” MIB计数器..........................................................................................................72

表19. “所有端口丢弃的数据包” MIB计数器间接内存偏移.................................... ............................................. 72

表20. EEPROM时序参数................................................................................................................................................77

表21. SNI时序参数..........................................................................................................................................................78

表22. MAC模式MII时序参数.......................................................................................................................................79

表23. PHY模式MII时序参数........................................................................................................................................80

表24. SPI输入时序参数................................................................................................................................................81

表25. SPI输出时序参数.............................................................................................................................................82

表26.复位时序参数......................................................................................................................................................83

表27.变压器的选择Criteria..............................................................................................................................................85

表28.合格单端口磁...........................................................................................................................................85

表29.典型的参考晶体特性..........................................................................................................................85

2008年10月

9

M9999-020606