3X38FTR 208引脚SQFP

八路FET用于10BASE-T / 100BASE-TX / FX

初步数据表

2000年9月

目录

（续）

表

（续）

页面

表19. PHY地址......................................................................................................................................................................45

表20.输出引脚.............................................................................................................................................................................45

管理寄存器表21汇总（ MR） .............................................................................................................................46

表22. MR0控制寄存器的位Descriptions.................................................................................................................................46

表23. MR1 ，状态寄存器位说明..................................................................................................................................47

表24. MR2 ， MR3 -PHY标识寄存器（ 1和2 ）位说明................................. .................................................. ..48

表25. MR4 -自动协商广告寄存器位说明........................................ .................................................. 0.48

表26. MR5 -自动协商链路伙伴能力（基本页）寄存器位描述.................................. .............................. 49

表27. MR5 -自动协商链路合伙（LP ）能力寄存器（下一页）位说明............................... .......................... 49

表28. MR6 ，自动协商扩展寄存器位Descriptions..................................................................................................50

表29. MR7 -下一页发送寄存器位说明.............................................................................................................50

表30. MR20 ， LED和FIFO配置.....................................................................................................................................51

表31. MR21 ， RXER计数器...........................................................................................................................................................51

表32. MR28设备特定的寄存器1 （状态寄存器）位说明.................................. ................................................. 52

表33. MR29设备特定的寄存器2 （ 100 Mb / s的控制）位说明............................... ............................................. 53

表34. MR30 -具体器件的寄存器3 （ 10 Mb / s的控制）位说明............................... ............................................... 54

表35. MR31 -具体器件的寄存器4 （快速状态）位Descriptions.......................................................................................55

表36.绝对最大额定值....................................................................................................................................................56

表37.工作条件..............................................................................................................................................................56

表38.直流特性...................................................................................................................................................................56

表39.系统时钟（RMII模式） .....................................................................................................................................................57

表40.时钟管理.................................................................................................................................................................57

表41. RMII接收Timing...............................................................................................................................................................58

表42. RMII发送时序..............................................................................................................................................................58

表43.发送Timing.......................................................................................................................................................................59

表44. SMII Timing.............................................................................................................................................................................59

表45.接收时序.......................................................................................................................................................................60

表46.复位和时序配置.............................................................................................................................................61

表47. PMD特性...............................................................................................................................................................62

科幻居雷什

页面

图1. 3X38设备概述..............................................................................................................................................................6

图2. 3X38单通道详细功能.....................................................................................................................................7

图3.典型的单通道双绞线（ TP ）接口..................................................................................................................8

图4.典型的单通道光纤（ FX ）接口....................................................................................................................9

图5. 3X38引脚为RMII Mode.....................................................................................................................................................10

图6. 3X38引脚为SMII模式.....................................................................................................................................................11

图7.功能描述............................................................................................................................................................27

图8. RMII从内部MII接收时序Signals.......................................................................................................................28

图9. SMII连接图.......................................................................................................................................................29

图10.接收时序图.................................................................................................................................................29

图11.发送序列图.................................................................................................................................................30

图12的100Base -X数据路径...........................................................................................................................................................32

图13. 10Base-T的模块数据Path.................................................................................................................................................37

图14.时序Diagram.....................................................................................................................................................................42

图15.硬件复位Configuration..............................................................................................................................................43

图16.系统时钟........................................................................................................................................................................57

图17.时钟管理...............................................................................................................................................................57

图18. RMII接收Timing.............................................................................................................................................................58

图19. RMII发送时序............................................................................................................................................................58

图20.发送Timing.....................................................................................................................................................................59

图21. SMII时序...........................................................................................................................................................................59

图22.接收时序.....................................................................................................................................................................60

图23.复位和配置Timing............................................................................................................................................61

图24. PMD特性.............................................................................................................................................................62

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