DS33R41反向多路复用以太网映射器，集成四路T1 / E1 / J1收发器

图列表

图3-1 。四T1E1 SCT到DS33R41 ...........................................................................................................................16

图6-1 。详细的框图。 ....................................................................................................................................19

图6-2 。 T1 / E1 / J1收发器结构图...............................................................................................................20

图6-3 。成帧器/ LIU临时信号...............................................................................................................................21

图7-1 。 DS33R41 400焊球BGA Pinout.........................................................................................................................33

图9-1 。时钟的DS33R41 ................................................................................................................................38

图9-2 。设备中断的信息流图......................................................................................................43

图9-3 。 IMUX接口的T1 / E1 Transceivers..............................................................................................................45

图9-4 。图中数据传输与IMUX操作........................................... ............................................ 45

图9-5 。对于IMUX命令结构Function............................................................................................................47

图9-6 。流量控制使用暂停控制帧........................................................................................................53

图9-7 。 IEEE 802.3以太网Frame..............................................................................................................................55

图9-8 。配置为DTE连接到以太网PHY的MII模式....................................... .............................. 57

图9-9 。 DS33R41配置为DCE在MII Mode....................................................................................................58

图9-10 。 RMII接口.................................................................................................................................................60

图9-11 。 MII管理Frame..................................................................................................................................61

图9-12 。 MAC帧的HDLC封装..............................................................................................................64

图9-13 。 MAC帧概念的LAPS编码......................................................................................................65

图9-14 。在MAC场X.86封装..............................................................................................................66

图10-1 。收发器时钟Structure............................................................................................................................69

图10-2 。正常的信号流图..........................................................................................................................75

图10-3 。接收信号的简化框图Path................................................................................................81

图10-4 。发送信号的简化框图Path...............................................................................................83

图10-5 。 CRC- 4重新计算的方法............................................................................................................................89

图10-6 。典型监测中的应用...........................................................................................................................100

图10-7 。 CMI编码...................................................................................................................................................102

图10-8 。基本界面..............................................................................................................................................103

图10-9 。 E1发送脉冲Template.........................................................................................................................104

图10-10 。 T1发射脉冲Template.......................................................................................................................104

图10-11 。抖动容限...........................................................................................................................................105

图10-12 。抖动容限（ E1模式） .........................................................................................................................105

图10-13 。抖动衰减（T模式） .......................................................................................................................106

图10-14 。抖动衰减（ E1模式） .......................................................................................................................106

图10-15 。选购水晶连接.....................................................................................................................107

图10-16 。 BERT的网络化方向简图........................................... ........................................... 109

图10-17 。 BERT在背板方向简图........................................... ........................................ 109

图11-1 。 IBO互联例.......................................................................................................................113

图11-2 。 T1 / J1传输流Diagram.......................................................................................................................115

图11-3 。 E1发送流程图..........................................................................................................................117

图13-1 。 MII发送功能Timing.....................................................................................................................293

图13-2 。 MII发送半双工碰撞功能时序......................................... ............................... 293

图13-3 。 MII接收功能Timing......................................................................................................................294

图13-4 。 RMII发送接口功能时序...................................................................................................294

图13-5 。 RMII接收接口功能时序....................................................................................................294

图13-6 。接收端定时D4 ...............................................................................................................................295

图13-7 。接收端定时ESF .............................................................................................................................295

图13-8 。接收端1.544MHz边界时序（弹性商店启用） ...................................... ............... 296

图13-9 。接收端2.048MHz的边界时序（弹性商店启用） ...................................... ............... 296

图13-10 。发送端D4时序............................................................................................................................297

图13-11 。发送端ESF时间..........................................................................................................................297

图13-12 。发送端1.544MHz边界时序（有松紧商店启用） ..................................... ............ 298

图13-13 。发送端2.048MHz的边界定时（有松紧商店启用） ..................................... ............ 298

图13-14 。接收端定时...................................................................................................................................299

图13-15 。接收端边界时序， RSYSCLK = 1.544MHz （有松紧商店启用） .............................. 299

图13-16 。接收端边界时序， RSYSCLK = 2.048MHz的（有松紧商店启用） ............................. 300

图13-17 。获得IBO通道交错模式时序............................................ ............................................... 300

图13-18 。 G.802计时， E1模式Only......................................................................................................................301

图13-19 。发送端定时..................................................................................................................................301

图13-20 。发送端边界时序（有松紧店已禁用） ........................................ ........................... 302

图13-21 。发射端边界时序， TSYSCLK = 1.544MHz （有松紧商店启用） ............................ 302

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