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DS26556
4端口单元/包过T1 / E1 / J1
收发器
www.maxim-ic.com
概述
该DS26556是一款四通道,软件可选的T1,
E1或J1收发器,一个电池/包/ TDM
界面。它由四个成帧器/格式化
+ LIU和乌托邦(小区) , POS- PHY
(分组)和TDM背板接口。每
成帧器具有HDLC控制器,可以是
映射到任何DS0或FDL ( T1 ) / SA ( E1 )位。该
DS26556还包括全功能BERT
每个端口的设备,和一个内部时钟适配器
用于创建同步,高频有用
背板时机。该DS26556控制
通过一个8位的并行端口,可以是
配置非复用Intel或Motorola
操作。
特点
§
§
§
§
§
§
§
§
§
四个独立的,全功能的T1 / E1 / J1
收发器
UTOPIA 2和3节电池接口
POS-PHY 2和3分组接口
TDM背板支持TDM总线速率
从1.544MHz至16.384MHz的
报警检测与插入
全功能BERT为每个端口
AMI , B8ZS , HDB3 , NRZ线路编码
发射同步
BOC消息控制器( T1)的
每一个成帧器HDLC控制器
性能监视器计数器
RAI - CI和AIS- CI支持
内部时钟发生器( CLAD )用品
16.384MHz的, 8.192MHz的, 4.096MHz或
2.048MHz
JTAG测试端口
3.3V单电源供电,具有5V容限输入
17毫米x17毫米, 256引脚BGA ( 1.00毫米
间距)
应用
路由器
分插复用器
DSLAM设备
集团电话
开关
中央音响CE认证
设备
POS- PHY和POS- PHY层3顷了PMC-Sierra , Inc.的商标。
IMA
自动取款机
广域网接口
以客户为前提
设备
§
§
§
§
§
§
§
订购信息
部分
DS26556
DS26556N
温度范围
0 ° C至+ 70°C
-40 ° C至+ 85°C
PIN的
256 BGA
256 BGA
注意:
该器件的一些修订可能偏离称为勘误表公布的规格。任何器件的多个版本
可能同时获得通过不同的销售渠道。欲了解器件勘误表的信息,请点击这里:
www.maxim-ic.com/errata 。
1
REV : 012105
DS26556 4端口单元/包过T1 / E1 / J1收发器
目录
1
2
方框图
9
特点
10
2.1 F
RAMER
/刘................................................................................................................................................10
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
Framer/Formatter................................................................................................................................................10
线路接口( LIU) .............................................................................................................................................10
时钟合成器...............................................................................................................................................11
HDLC Controllers................................................................................................................................................11
测试和诊断..........................................................................................................................................11
一般...............................................................................................................................................................11
自动取款机....................................................................................................................................................................12
HDLC ..................................................................................................................................................................12
2.2
C
ELL
/P
蒙皮
I
覆盖整个院落
.............................................................................................................................11
2.2.1
2.2.2
2.2.3
2.3 C
ONTROL
P
ORT
...........................................................................................................................................12
3
背板配置SCENERIOS
14
4
5
缩写词和术语表
18
引脚说明
19
5.1 S
HORT
P
IN
L
IST
...........................................................................................................................................19
5.2 D
ETAILED
P
IN
L
IST
.......................................................................................................................................22
6
设备CON组fi guration
30
7
功能引脚进行时序
31
7.1 R
ECEIVER
F
UNCTIONAL
T
即时通信
D
IAGRAMS
....................................................................................................31
7.2 T
变送器
F
UNCTIONAL
T
即时通信
D
IAGRAMS
..............................................................................................32
7.3 UTOPIA / POS - PHY / SPI - 3 S
变体系
I
覆盖整个院落
F
UNCTIONAL
T
即时通信
............................................................34
7.3.1
7.3.2
7.3.3
7.3.4
UTOPIA 2级功能Timing.....................................................................................................................34
UTOPIA 3级功能Timing.....................................................................................................................38
POS- PHY第2级功能Timing..................................................................................................................41
POS- PHY第3级功能Timing..................................................................................................................45
8
功能说明
47
8.1 C
ELL
/ P
蒙皮
I
覆盖整个院落
D
ESCRIPTION
......................................................................................................47
8.1.1
8.1.2
重置Descriptions..............................................................................................................................................47
位/字节排序...........................................................................................................................................47
概述............................................................................................................................................47
Features..............................................................................................................................................................48
系统接口总线控制器.........................................................................................................................48
概述............................................................................................................................................52
Features..............................................................................................................................................................52
传输单元/数据包处理器.........................................................................................................................53
接收单元/数据包处理器..........................................................................................................................53
Cell处理器....................................................................................................................................................54
包Processor................................................................................................................................................59
FIFO....................................................................................................................................................................61
系统环回...............................................................................................................................................62
T1环回.....................................................................................................................................................63
H.100 ( CT总线)兼容.............................................................................................................................64
T1接收状态和信息....................................................................................................................65
接收AIS- CI和RAI -CI检测................................................................................................................67
T1接收端数字毫瓦代码生成.......................................... .................................................. 67
T1错误计数寄存器....................................................................................................................................67
T1接收信令操作.........................................................................................................................68
软件Signaling..............................................................................................................................................68
硬件信号............................................................................................................................................68
信号Re-insertion.........................................................................................................................................68
接收信号冻结...................................................................................................................................69
支持部分T1 (跳空时钟模式) .....................................................................................................69
T1面向比特的代码( BOC)控制器..............................................................................................................69
8.2
UTOPIA / POS - PHY / SPI - 3 S
变体系
I
覆盖整个院落
............................................................................................47
8.2.1
8.2.2
8.2.6
8.3
ATM
ELL
/ HDLC P
蒙皮
P
ROCESSING
....................................................................................................52
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
8.3.7
8.3.8
8.4
T1
ECEIVE
F
RAMER
D
ESCRIPTION和
O
PERATION
....................................................................................63
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.4.7
8.4.8
8.4.9
8.4.10
8.4.11
8.4.12
8.4.13
2 362
DS26556 4端口单元/包过T1 / E1 / J1收发器
8.4.14
8.4.15
8.4.16
8.4.17
8.4.18
接收SLC -96的操作.................................................................................................................................69
接收FDL .......................................................................................................................................................69
可编程带内循环码Detection....................................................................................................70
接收HDLC Controller....................................................................................................................................70
接收HDLC控制器Example.....................................................................................................................71
T1每声道环回..................................................................................................................................72
T1发送DS0监控功能................................................................................................................72
T1发送信令操作........................................................................................................................72
T1传输每信道空闲代码插入....................................................................................................73
T1传输通道标志寄存器.................................................................................................................73
支持部分T1 (间隙时钟模式) .....................................................................................................73
T1发送面向位的代码( BOC)控制器......................................... .................................................. .... 73
T1发送FDL .................................................................................................................................................73
发送SLC -96的操作...............................................................................................................................74
发送HDLC Controller...................................................................................................................................74
HDLC发送示例....................................................................................................................................74
可编程带内循环码Generator...................................................................................................75
接口的T1的Tx格式化的BERT......................................................................................................76
T1发射Synchronizer...................................................................................................................................76
H.100 ( CT总线)兼容.............................................................................................................................76
E1错误计数Registers....................................................................................................................................77
DS0监控功能....................................................................................................................................78
E1接收信号Operation.........................................................................................................................78
分档E1支持(间隙时钟模式) .....................................................................................................79
其他仨位和Si-位接收操作( E1模式) .................................... ............................................ 79
HDLC开销控制接收Example........................................................................................................79
接口的E1成帧器接收到BERT .........................................................................................................80
E1发送格式化描述和操作............................................ ................................................. 81
自动报警Generation...............................................................................................................................81
G.706中级CRC- 4更新( E1模式) ..................................... .................................................. 0.81
E1发送DS0监控功能................................................................................................................82
E1发送信令操作........................................................................................................................82
分档E1支持(间隙时钟模式) .....................................................................................................83
其他( SA)和国际(SI )位操作( E1模式) ................................... ....................................... 83
E1发送HDLC控制器.............................................................................................................................83
E1 HDLC发送Example...............................................................................................................................84
接口的E1发送到BERT ........................................................................................................85
E1发送Synchronizer...................................................................................................................................85
8.5
T1 T
RANSMIT
F
ORMATTER
D
ESCRIPTION和
O
PERATION
.............................................................................72
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6
8.5.7
8.5.8
8.5.9
8.5.10
8.5.11
8.5.12
8.5.13
8.5.14
8.6
E1
ECEIVE
F
RAMER
D
ESCRIPTION和
O
PERATION
....................................................................................76
8.6.1
8.6.2
8.6.3
8.6.4
8.6.5
8.6.6
8.6.7
8.6.8
8.6.9
8.6.10
8.6.11
8.6.12
8.6.13
8.6.14
8.6.15
8.6.16
8.6.17
8.6.18
8.6.19
9
线路接口单元( LIU)
86
9.1刘牛逼
变送器
........................................................................................................................................86
9.1.1脉冲形状
...................................................................................................................................................86
9.1.2发送终止
.......................................................................................................................................86
9.1.3掉电和高阻
.................................................................................................................................86
9.1.4发送全1
............................................................................................................................................86
9.1.5驱动器故障监视器
............................................................................................................................................86
9.2 R
ECEIVER
....................................................................................................................................................89
9.2.1接收监控模式
...................................................................................................................................89
9.2.2峰值检波器和切片机
................................................................................................................................90
9.2.3时钟和数据恢复
...............................................................................................................................90
9.2.4接收电平指示器
...................................................................................................................................90
9.2.5信号丢失
...................................................................................................................................................90
9.3 J
伊特尔
A
TTENUATOR
....................................................................................................................................93
9.4 LIU L
OOPBACKS
..........................................................................................................................................93
9.4.1
9.4.2
9.4.3
模拟环回................................................................................................................................................93
当地Loopback...................................................................................................................................................94
远程Loopback...............................................................................................................................................94
10
11
总体寄存器映射
95
寄存器映射及说明
97
11.1 G
叶形
R
EGISTERS
.....................................................................................................................................97
11.1.1
全局控制Registers.....................................................................................................................................97
3的362
DS26556 4端口单元/包过T1 / E1 / J1收发器
11.1.2
11.2.1
11.2.2
11.2.3
11.2.4
11.2.5
11.2.6
11.2.7
11.2.8
11.3.1
11.3.2
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
11.4.6
11.4.7
11.4.8
11.4.9
11.4.10
11.4.11
11.4.12
11.4.13
11.4.14
11.4.15
11.4.16
11.4.17
环球状态寄存器....................................................................................................................................104
一般小区/包Registers........................................................................................................................111
单元/数据包状态寄存器............................................................................................................................113
发送FIFO Registers...................................................................................................................................115
发送Cell处理器寄存器...................................................................................................................120
发送数据包处理器寄存器..............................................................................................................127
接收小区处理器寄存器....................................................................................................................133
接收数据包处理器寄存器...............................................................................................................148
接收FIFO寄存器...................................................................................................................................160
传输系统接口Registers................................................................................................................163
接收系统接口Registers.................................................................................................................165
主接收模式寄存器........................................................................................................................171
中断信息注册...........................................................................................................................172
T1接收控制Registers...........................................................................................................................173
T1线路代码违反计数寄存器(LCVCR).............................................................................................189
T1路径代码违反计数寄存器(PCVCR)............................................................................................190
T1帧输出不同步计数寄存器(FOSCR)............................................................................................191
DS0监控功能..................................................................................................................................192
接收信号Registers.............................................................................................................................193
T1接收每信道空闲代码插入...................................................................................................196
T1接收通道标志寄存器................................................................................................................197
接收部分T1支持(跳空时钟模式) ........................................ ............................................. 198
接收T1面向比特的代码( BOC)控制器........................................ .................................................. 199 ....
接收SLC -96的操作...............................................................................................................................200
接收FDL .....................................................................................................................................................201
可编程带内循环码Detection..................................................................................................202
接收HDLC Controller..................................................................................................................................208
接收BERT ..................................................................................................................................................214
11.2 C
ELL
/ P
蒙皮
R
EGISTER
D
ESCRIPTIONS
...................................................................................................110
11.3 S
变体系
I
覆盖整个院落
R
EGISTERS
.................................................................................................................163
11.4 R
ECEIVE
T1 F
RAMER
R
EGISTERS
...............................................................................................................168
11.5 T1 T
RANSMIT FRAMER
................................................................................................................................216
11.5.1发送主控模式寄存器.......................................................................................................................219
11.5.2中断寄存器信息.........................................................................................................................219
11.5.3 T1发送控制寄存器..........................................................................................................................220
11.5.4 T1发送状态和Information..................................................................................................................225
11.5.5 T1每声道环回................................................................................................................................228
11.5.6 T1发送DS0监控功能..............................................................................................................229
11.5.7 T1发送信令操作......................................................................................................................229
11.5.8 T1发送每信道空闲代码插入..................................................................................................233
11.5.9 T1传输通道标志寄存器...............................................................................................................234
11.5.10支持部分T1 (间隙时钟模式) ...................................................................................................235
11.5.11 T1发送面向位的代码( BOC)控制器...................................... .................................................. ..... 236
11.5.12 T1发送FDL ...............................................................................................................................................237
11.5.13发送SLC -96的操作.............................................................................................................................237
11.5.14发送HDLC Controller.................................................................................................................................238
发送中断屏蔽寄存器2.................................................................................................................................243
11.5.15可编程带内循环码Generator.................................................................................................244
11.5.16接口的T1的Tx格式化的BERT....................................................................................................246
11.5.17 T1发射Synchronizer.................................................................................................................................248
11.6 E1
ECEIVE
F
RAMER
.................................................................................................................................250
11.6.1
11.6.2
11.6.3
11.6.4
11.6.5
11.6.6
11.6.7
11.6.8
11.6.9
11.6.10
11.6.11
11.6.12
11.6.13
11.6.14
E1成帧器接收说明和操作............................................ .................................................. ..253
接收主模式Register.........................................................................................................................253
中断寄存器信息.........................................................................................................................254
E1接收控制Registers...........................................................................................................................254
E1接收状态和信息..................................................................................................................257
E1错误计数Registers..................................................................................................................................269
DS0监控功能..................................................................................................................................272
E1接收信号Operation.......................................................................................................................273
E1接收每信道空闲代码插入...................................................................................................275
E1接收通道标志寄存器................................................................................................................276
分档E1支持(间隙时钟模式) ...................................................................................................276
其他仨位和Si-位接收操作( E1模式) .................................... .......................................... 278
接收成帧器HDLC控制器.....................................................................................................................284
接口的E1成帧器接收到BERT .......................................................................................................291
4 362
DS26556 4端口单元/包过T1 / E1 / J1收发器
11.7 E1牛逼
RANSMIT FRAMER
................................................................................................................................293
11.7.1
11.7.2
11.7.3
11.7.4
11.7.5
11.7.6
11.7.7
11.7.8
11.7.9
11.7.10
11.7.11
11.7.12
11.7.13
11.7.14
传输主模式Register........................................................................................................................296
中断寄存器信息.........................................................................................................................297
E1传输控制Registers..........................................................................................................................297
E1发送状态和信息.................................................................................................................300
每通道环回.....................................................................................................................................302
E1发送DS0监控功能..............................................................................................................303
E1发送信令操作......................................................................................................................304
E1发送每信道空闲代码插入..................................................................................................308
E1传输通道标志寄存器...............................................................................................................309
分档E1支持(间隙时钟模式) ...................................................................................................309
其他( SA)和国际(SI )位操作( E1模式) ................................... ..................................... 310
E1发送HDLC控制器...........................................................................................................................317
接口的E1发送到BERT ......................................................................................................323
E1发送Synchronizer.................................................................................................................................325
线路接口单元( LIU)
327
12.1刘
EGISTERS
.........................................................................................................................................328
13误码率测试仪( BERT )
335
13.1 BERT
EGISTER
B
IT
D
ESCRIPTIONS
..........................................................................................................336
14 JTAG边界扫描结构和测试访问端口
342
14.1 TAP
ONTROLLER
S
TATE
M
ACHINE
...........................................................................................................343
14.2 I
NSTRUCTION
R
EGISTER
.............................................................................................................................345
14.3 T
美东时间
R
EGISTERS
.......................................................................................................................................346
15引脚分配
347
16
17
18
19
包装机械信息
封装的热信息
绝对最大额定值
348
349
350
12
AC时序
351
19.1 T
RANSMIT
TDM P
ORT
AC - C
极特
.............................................................................................353
19.2 R
ECEIVE
TDM P
ORT
AC - C
极特
...............................................................................................354
19.3 H
室内运动场
S
撒尿
P
ORT
AC - C
极特
..................................................................................................355
19.4 S
变体系
I
覆盖整个院落
AC - C
极特
.................................................................................................356
19.5 M
ICROPROCESSOR
B
US
AC - C
极特
..........................................................................................358
19.6 JTAG我
覆盖整个院落
T
即时通信
...........................................................................................................................361
20版本更改历史
362
5 362
DS26556
4端口单元/包过T1 / E1 / J1
收发器
www.maxim-ic.com
概述
该DS26556是一款四通道,软件可选的T1,
E1或J1收发器,一个电池/包/ TDM
界面。它由四个成帧器/格式化
+ LIU和乌托邦(小区) , POS- PHY
(分组)和TDM背板接口。每
成帧器具有HDLC控制器,可以是
映射到任何DS0或FDL ( T1 ) / SA ( E1 )位。该
DS26556还包括全功能BERT
每个端口的设备,和一个内部时钟适配器
用于创建同步,高频有用
背板时机。该DS26556控制
通过一个8位的并行端口,可以是
配置非复用Intel或Motorola
操作。
特点
四个独立的,全功能的T1 / E1 / J1
收发器
UTOPIA 2和3节电池接口
POS-PHY 2和3分组接口
TDM背板支持TDM总线速率
从1.544MHz至16.384MHz的
报警检测与插入
全功能BERT为每个端口
AMI , B8ZS , HDB3 , NRZ线路编码
发射同步
BOC消息控制器( T1)的
应用
路由器
分插复用器
DSLAM设备
集团电话
开关
中央音响CE认证
设备
POS- PHY和POS- PHY层3顷了PMC-Sierra , Inc.的商标。
IMA
自动取款机
广域网接口
以客户为前提
设备
每一个成帧器HDLC控制器
性能监视器计数器
RAI - CI和AIS- CI支持
内部时钟发生器( CLAD )用品
16.384MHz的, 8.192MHz的, 4.096MHz或
2.048MHz
JTAG测试端口
3.3V单电源供电,具有5V容限输入
17毫米x17毫米, 256引脚BGA ( 1.00毫米
间距)
订购信息
部分
DS26556
DS26556N
温度范围
0 ° C至+ 70°C
-40 ° C至+ 85°C
PIN的
256 BGA
256 BGA
注意:
该器件的一些修订可能偏离称为勘误表公布的规格。任何器件的多个版本
可能同时获得通过不同的销售渠道。欲了解器件勘误表的信息,请点击这里:
www.maxim-ic.com/errata 。
1
REV : 090407
DS26556 4端口单元/包过T1 / E1 / J1收发器
目录
1
2
方框图
9
特点
10
2.1 F
RAMER
/刘................................................................................................................................................10
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
成帧器/格式化................................................................................................................................................10
线路接口( LIU) .............................................................................................................................................10
时钟合成器...............................................................................................................................................11
HDLC控制器................................................................................................................................................11
试验Diagnostics...........................................................................................................................................11
一般...............................................................................................................................................................11
自动取款机....................................................................................................................................................................12
HDLC ..................................................................................................................................................................12
2.2
C
ELL
/P
蒙皮
I
覆盖整个院落
.............................................................................................................................11
2.2.1
2.2.2
2.2.3
2.3 C
ONTROL
P
ORT
...........................................................................................................................................12
3
背板配置SCENERIOS
15
4
5
缩写词和术语表
19
引脚说明
20
5.1 S
HORT
P
IN
L
IST
...........................................................................................................................................20
5.2 D
ETAILED
P
IN
L
IST
.......................................................................................................................................23
6
设备CON组fi guration
31
7
功能引脚进行时序
32
7.1 R
ECEIVER
F
UNCTIONAL
T
即时通信
D
IAGRAMS
....................................................................................................32
7.2 T
变送器
F
UNCTIONAL
T
即时通信
D
IAGRAMS
...............................................................................................33
7.3 UTOPIA / POS - PHY / SPI - 3 S
变体系
I
覆盖整个院落
F
UNCTIONAL
T
即时通信
.............................................................35
7.3.1
7.3.2
7.3.3
7.3.4
UTOPIA二级功能时序.....................................................................................................................35
UTOPIA 3级功能时序.....................................................................................................................39
POS- PHY第2级功能时序..................................................................................................................43
POS- PHY第3级功能时序..................................................................................................................47
8
功能说明
49
8.1 C
ELL
/ P
蒙皮
I
覆盖整个院落
D
ESCRIPTION
......................................................................................................49
8.1.1
8.1.2
复位说明..............................................................................................................................................49
位/字节排序...........................................................................................................................................49
概述............................................................................................................................................49
Features..............................................................................................................................................................50
系统接口总线控制器.........................................................................................................................50
概述............................................................................................................................................54
Features..............................................................................................................................................................54
传输单元/数据包处理器..........................................................................................................................55
接收单元/数据包处理器...........................................................................................................................55
细胞Processor.....................................................................................................................................................56
包处理器................................................................................................................................................61
FIFO....................................................................................................................................................................63
系统Loopback................................................................................................................................................64
T1环回.....................................................................................................................................................65
H.100 ( CT总线) Compatibility..............................................................................................................................66
T1接收状态和信息.....................................................................................................................67
接收AIS- CI和RAI -CI Detection.................................................................................................................69
T1接收端数字毫瓦码Generation.............................................................................................69
T1错误计数寄存器....................................................................................................................................69
T1接收信号Operation..........................................................................................................................70
软件信号..............................................................................................................................................70
硬件Signaling.............................................................................................................................................70
信令重新插入.........................................................................................................................................70
接收信号冻结...................................................................................................................................71
支持部分T1 (跳空时钟模式) .....................................................................................................71
T1面向比特的代码( BOC) Controller...............................................................................................................71
8.2
UTOPIA / POS - PHY / SPI - 3 S
变体系
I
覆盖整个院落
............................................................................................49
8.2.1
8.2.2
8.2.6
8.3
ATM
ELL
/ HDLC P
蒙皮
P
ROCESSING
.....................................................................................................54
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
8.3.7
8.3.8
8.4
T1
ECEIVE
F
RAMER
D
ESCRIPTION和
O
PERATION
.....................................................................................65
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.4.7
8.4.8
8.4.9
8.4.10
8.4.11
8.4.12
8.4.13
2 368
DS26556 4端口单元/包过T1 / E1 / J1收发器
8.4.14
8.4.15
8.4.16
8.4.17
8.4.18
接收SLC -96的操作.................................................................................................................................71
接收FDL .......................................................................................................................................................71
可编程带内环路代码检测....................................................................................................72
接收HDLC Controller....................................................................................................................................72
接收HDLC控制器示例.....................................................................................................................73
T1每声道环回..................................................................................................................................74
T1发送DS0监控Function.................................................................................................................74
T1传输信令Operation.........................................................................................................................74
T1传输每信道空闲代码插入.....................................................................................................75
T1传输通道标志Registers..................................................................................................................75
支持部分T1 (间隙时钟Mode)......................................................................................................75
T1发送面向位的代码( BOC)控制器......................................... .................................................. ..... 75
T1发送FDL .................................................................................................................................................75
发送SLC -96的操作...............................................................................................................................76
发送HDLC Controller...................................................................................................................................76
HDLC发送示例....................................................................................................................................76
可编程带内环路代码生成器...................................................................................................77
接口的T1的Tx格式化的BERT ......................................................................................................78
T1发射同步...................................................................................................................................78
H.100 ( CT总线) Compatibility..............................................................................................................................78
E1错误计数寄存器....................................................................................................................................79
DS0监控Function.....................................................................................................................................80
E1接收信令操作.........................................................................................................................80
分档E1支持(间隙时钟模式) .....................................................................................................81
其他仨位和Si-位接收操作( E1模式) .................................... ............................................. 81
HDLC开销控制接收实例........................................................................................................81
接口的E1成帧器接收到BERT..........................................................................................................82
E1发送格式化的描述和Operation..............................................................................................83
自动生成报警...............................................................................................................................83
G.706中级CRC- 4更新( E1模式) ..................................... .................................................. 0.83
E1发送DS0监控功能................................................................................................................84
E1发送信令操作........................................................................................................................84
分档E1支持(间隙时钟模式) .....................................................................................................85
其他( SA)和国际(SI )位操作( E1模式) ................................... ........................................ 85
E1发送HDLC控制器.............................................................................................................................85
E1 HDLC发送示例...............................................................................................................................87
接口的E1发送到BERT ........................................................................................................88
E1发送同步...................................................................................................................................88
8.5
T1 T
RANSMIT
F
ORMATTER
D
ESCRIPTION和
O
PERATION
.............................................................................74
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6
8.5.7
8.5.8
8.5.9
8.5.10
8.5.11
8.5.12
8.5.13
8.5.14
8.6
E1
ECEIVE
F
RAMER
D
ESCRIPTION和
O
PERATION
.....................................................................................78
8.6.1
8.6.2
8.6.3
8.6.4
8.6.5
8.6.6
8.6.7
8.6.8
8.6.9
8.6.10
8.6.11
8.6.12
8.6.13
8.6.14
8.6.15
8.6.16
8.6.17
8.6.18
8.6.19
9
线路接口单元( LIU)
89
9.1刘牛逼
变送器
........................................................................................................................................89
9.1.1脉冲形状
...................................................................................................................................................89
9.1.2发送终止
......................................................................................................................................89
9.1.3掉电和高阻
................................................................................................................................89
9.1.4发送全1
............................................................................................................................................89
9.1.5驱动器故障监视器
...........................................................................................................................................89
9.2 R
ECEIVER
....................................................................................................................................................92
9.2.1接收监控模式
...................................................................................................................................92
9.2.2峰值检波器和切片机
................................................................................................................................93
9.2.3时钟和数据恢复
...............................................................................................................................93
9.2.4接收电平指示器
..................................................................................................................................93
9.2.5信号丢失
...................................................................................................................................................93
9.3 J
伊特尔
A
TTENUATOR
....................................................................................................................................96
9.4 LIU L
OOPBACKS
...........................................................................................................................................96
9.4.1
9.4.2
9.4.3
模拟环回................................................................................................................................................96
本地回环...................................................................................................................................................97
远程回环...............................................................................................................................................97
10
11
总体寄存器映射
98
寄存器映射及说明
100
11.1 G
叶形
R
EGISTERS
...................................................................................................................................100
11.1.1
全局控制寄存器...................................................................................................................................100
3的368
DS26556 4端口单元/包过T1 / E1 / J1收发器
11.1.2
11.2.1
11.2.2
11.2.3
11.2.4
11.2.5
11.2.6
11.2.7
11.2.8
11.3.1
11.3.2
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
11.4.6
11.4.7
11.4.8
11.4.9
11.4.10
11.4.11
11.4.12
11.4.13
11.4.14
11.4.15
11.4.16
11.4.17
环球状态寄存器....................................................................................................................................107
一般细胞/包寄存器........................................................................................................................114
单元/数据包状态Registers.............................................................................................................................116
发送FIFO Registers...................................................................................................................................118
发送Cell处理器Registers....................................................................................................................123
发送数据包处理器寄存器...............................................................................................................130
接受Cell处理器Registers.....................................................................................................................136
接收数据包处理器寄存器................................................................................................................151
接收FIFO Registers....................................................................................................................................163
传输系统接口寄存器................................................................................................................166
接收系统接口寄存器.................................................................................................................168
接收主控模式Register.........................................................................................................................174
中断信息注册...........................................................................................................................175
T1接收控制寄存器...........................................................................................................................176
T1线路代码违反计数寄存器( LCVCR ) ........................................ .................................................. ... 193
T1路径代码违反计数寄存器( PCVCR ) ........................................ .................................................. ..194
T1帧Out的同步计数寄存器( FOSCR ) ..................................... .................................................. 195 ....
DS0监控Function...................................................................................................................................196
接收信号寄存器.............................................................................................................................197
T1接收每信道空闲代码插入....................................................................................................200
T1接收通道标志Registers.................................................................................................................201
接收部分T1支持(跳空时钟模式) ........................................ .............................................. 202
接收T1面向比特的代码( BOC) Controller...............................................................................................203
接收SLC -96的操作...............................................................................................................................204
接收FDL .....................................................................................................................................................205
可编程带内环路代码检测..................................................................................................206
接收HDLC Controller..................................................................................................................................212
接收BERT ..................................................................................................................................................218
11.2 C
ELL
/ P
蒙皮
R
EGISTER
D
ESCRIPTIONS
....................................................................................................113
11.3 S
变体系
I
覆盖整个院落
R
EGISTERS
..................................................................................................................166
11.4 R
ECEIVE
T1 F
RAMER
R
EGISTERS
...............................................................................................................171
11.5 T1 T
RANSMIT FRAMER
................................................................................................................................220
11.5.1传输 - 主模式Register........................................................................................................................223
11.5.2中断信息Registers..........................................................................................................................223
11.5.3 T1发送控制寄存器..........................................................................................................................224
11.5.4 T1发送状态和信息..................................................................................................................229
11.5.5 T1每声道环回................................................................................................................................232
11.5.6 T1发送DS0监控Function...............................................................................................................233
11.5.7 T1发射信号Operation.......................................................................................................................233
11.5.8 T1发送每信道空闲代码插入...................................................................................................237
11.5.9 T1传输通道标志Registers................................................................................................................238
11.5.10支持部分T1 (间隙时钟Mode)....................................................................................................239
11.5.11 T1发送面向位的代码( BOC)控制器...................................... .................................................. ...... 240
11.5.12 T1发送FDL ...............................................................................................................................................241
11.5.13发送SLC -96的操作.............................................................................................................................241
11.5.14发送HDLC Controller.................................................................................................................................242
发送中断屏蔽寄存器2 .................................................................................................................................247
11.5.15可编程带内环路代码生成器....................................... .................................................. ........ 248
11.5.16接口的T1的Tx格式化的BERT ....................................................................................................250
11.5.17 T1发射同步.................................................................................................................................252
11.6 E1
ECEIVE
F
RAMER
.................................................................................................................................254
11.6.1
11.6.2
11.6.3
11.6.4
11.6.5
11.6.6
11.6.7
11.6.8
11.6.9
11.6.10
11.6.11
11.6.12
11.6.13
11.6.14
E1成帧器接收和说明Operation.................................................................................................257
主接收模式寄存器.........................................................................................................................257
中断信息Registers..........................................................................................................................259
E1接收控制寄存器...........................................................................................................................259
E1接收状态和Information...................................................................................................................263
E1错误计数寄存器..................................................................................................................................275
DS0监控Function...................................................................................................................................278
E1接收信令操作.......................................................................................................................279
E1接收每通道空闲码Insertion....................................................................................................281
E1接收通道标志寄存器................................................................................................................282
分档E1支持(间隙时钟模式) ...................................................................................................282
其他仨位和Si-位接收操作( E1模式) .................................... ........................................... 284
接收成帧器HDLC控制器.....................................................................................................................290
接口的E1成帧器接收到BERT........................................................................................................297
4 368
DS26556 4端口单元/包过T1 / E1 / J1收发器
11.7 E1牛逼
RANSMIT FRAMER
................................................................................................................................299
11.7.1
11.7.2
11.7.3
11.7.4
11.7.5
11.7.6
11.7.7
11.7.8
11.7.9
11.7.10
11.7.11
11.7.12
11.7.13
11.7.14
主传输模式寄存器........................................................................................................................302
中断信息Registers..........................................................................................................................303
E1发送控制寄存器..........................................................................................................................303
E1发送状态和Information..................................................................................................................306
每通道环回.....................................................................................................................................308
E1发送DS0监控功能..............................................................................................................309
E1发送信令操作......................................................................................................................310
E1发送每通道空闲码Insertion...................................................................................................314
E1传输通道标志寄存器...............................................................................................................315
分档E1支持(间隙时钟模式) ...................................................................................................315
其他( SA)和国际(SI )位操作( E1模式) ................................... ...................................... 316
E1发送HDLC控制器...........................................................................................................................323
接口的E1发送到BERT ......................................................................................................329
E1发送同步.................................................................................................................................331
线路接口单元( LIU)
333
12.1刘
EGISTERS
..........................................................................................................................................334
13误码率测试仪( BERT )
341
13.1 BERT
EGISTER
B
IT
D
ESCRIPTIONS
...........................................................................................................342
14 JTAG边界扫描结构和测试访问端口
348
14.1 TAP
ONTROLLER
S
TATE
M
ACHINE
............................................................................................................349
14.2 I
NSTRUCTION
R
EGISTER
.............................................................................................................................351
14.3 T
美东时间
R
EGISTERS
........................................................................................................................................352
15引脚分配
353
16
17
18
19
包装机械信息
封装的热信息
绝对最大额定值
354
355
356
12
AC时序
357
19.1 T
RANSMIT
TDM P
ORT
AC - C
极特
.............................................................................................359
19.2 R
ECEIVE
TDM P
ORT
AC - C
极特
...............................................................................................360
19.3 H
室内运动场
S
撒尿
P
ORT
AC - C
极特
...................................................................................................361
19.4 S
变体系
I
覆盖整个院落
AC - C
极特
.................................................................................................362
19.5 M
ICROPROCESSOR
B
US
AC - C
极特
...........................................................................................364
19.6 JTAG我
覆盖整个院落
T
即时通信
...........................................................................................................................367
20版本更改历史
368
5 368
DS26556
4端口单元/包过T1 / E1 / J1
收发器
www.maxim-ic.com
概述
该DS26556是一款四通道,软件可选的T1,
E1或J1收发器,一个电池/包/ TDM
界面。它由四个成帧器/格式化
+ LIU和乌托邦(小区) , POS- PHY
(分组)和TDM背板接口。每
成帧器具有HDLC控制器,可以是
映射到任何DS0或FDL ( T1 ) / SA ( E1 )位。该
DS26556还包括全功能BERT
每个端口的设备,和一个内部时钟适配器
用于创建同步,高频有用
背板时机。该DS26556控制
通过一个8位的并行端口,可以是
配置非复用Intel或Motorola
操作。
特点
§
§
§
§
§
§
§
§
§
四个独立的,全功能的T1 / E1 / J1
收发器
UTOPIA 2和3节电池接口
POS-PHY 2和3分组接口
TDM背板支持TDM总线速率
从1.544MHz至16.384MHz的
报警检测与插入
全功能BERT为每个端口
AMI , B8ZS , HDB3 , NRZ线路编码
发射同步
BOC消息控制器( T1)的
每一个成帧器HDLC控制器
性能监视器计数器
RAI - CI和AIS- CI支持
内部时钟发生器( CLAD )用品
16.384MHz的, 8.192MHz的, 4.096MHz或
2.048MHz
JTAG测试端口
3.3V单电源供电,具有5V容限输入
17毫米x17毫米, 256引脚BGA ( 1.00毫米
间距)
应用
路由器
分插复用器
DSLAM设备
集团电话
开关
中央音响CE认证
设备
POS- PHY和POS- PHY层3顷了PMC-Sierra , Inc.的商标。
IMA
自动取款机
广域网接口
以客户为前提
设备
§
§
§
§
§
§
§
订购信息
部分
DS26556
DS26556N
温度范围
0 ° C至+ 70°C
-40 ° C至+ 85°C
PIN的
256 BGA
256 BGA
注意:
该器件的一些修订可能偏离称为勘误表公布的规格。任何器件的多个版本
可能同时获得通过不同的销售渠道。欲了解器件勘误表的信息,请点击这里:
www.maxim-ic.com/errata 。
1
REV : 012105
DS26556 4端口单元/包过T1 / E1 / J1收发器
目录
1
2
方框图
9
特点
10
2.1 F
RAMER
/刘................................................................................................................................................10
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
Framer/Formatter................................................................................................................................................10
线路接口( LIU) .............................................................................................................................................10
时钟合成器...............................................................................................................................................11
HDLC Controllers................................................................................................................................................11
测试和诊断..........................................................................................................................................11
一般...............................................................................................................................................................11
自动取款机....................................................................................................................................................................12
HDLC ..................................................................................................................................................................12
2.2
C
ELL
/P
蒙皮
I
覆盖整个院落
.............................................................................................................................11
2.2.1
2.2.2
2.2.3
2.3 C
ONTROL
P
ORT
...........................................................................................................................................12
3
背板配置SCENERIOS
14
4
5
缩写词和术语表
18
引脚说明
19
5.1 S
HORT
P
IN
L
IST
...........................................................................................................................................19
5.2 D
ETAILED
P
IN
L
IST
.......................................................................................................................................22
6
设备CON组fi guration
30
7
功能引脚进行时序
31
7.1 R
ECEIVER
F
UNCTIONAL
T
即时通信
D
IAGRAMS
....................................................................................................31
7.2 T
变送器
F
UNCTIONAL
T
即时通信
D
IAGRAMS
..............................................................................................32
7.3 UTOPIA / POS - PHY / SPI - 3 S
变体系
I
覆盖整个院落
F
UNCTIONAL
T
即时通信
............................................................34
7.3.1
7.3.2
7.3.3
7.3.4
UTOPIA 2级功能Timing.....................................................................................................................34
UTOPIA 3级功能Timing.....................................................................................................................38
POS- PHY第2级功能Timing..................................................................................................................41
POS- PHY第3级功能Timing..................................................................................................................45
8
功能说明
47
8.1 C
ELL
/ P
蒙皮
I
覆盖整个院落
D
ESCRIPTION
......................................................................................................47
8.1.1
8.1.2
重置Descriptions..............................................................................................................................................47
位/字节排序...........................................................................................................................................47
概述............................................................................................................................................47
Features..............................................................................................................................................................48
系统接口总线控制器.........................................................................................................................48
概述............................................................................................................................................52
Features..............................................................................................................................................................52
传输单元/数据包处理器.........................................................................................................................53
接收单元/数据包处理器..........................................................................................................................53
Cell处理器....................................................................................................................................................54
包Processor................................................................................................................................................59
FIFO....................................................................................................................................................................61
系统环回...............................................................................................................................................62
T1环回.....................................................................................................................................................63
H.100 ( CT总线)兼容.............................................................................................................................64
T1接收状态和信息....................................................................................................................65
接收AIS- CI和RAI -CI检测................................................................................................................67
T1接收端数字毫瓦代码生成.......................................... .................................................. 67
T1错误计数寄存器....................................................................................................................................67
T1接收信令操作.........................................................................................................................68
软件Signaling..............................................................................................................................................68
硬件信号............................................................................................................................................68
信号Re-insertion.........................................................................................................................................68
接收信号冻结...................................................................................................................................69
支持部分T1 (跳空时钟模式) .....................................................................................................69
T1面向比特的代码( BOC)控制器..............................................................................................................69
8.2
UTOPIA / POS - PHY / SPI - 3 S
变体系
I
覆盖整个院落
............................................................................................47
8.2.1
8.2.2
8.2.6
8.3
ATM
ELL
/ HDLC P
蒙皮
P
ROCESSING
....................................................................................................52
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
8.3.7
8.3.8
8.4
T1
ECEIVE
F
RAMER
D
ESCRIPTION和
O
PERATION
....................................................................................63
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.4.7
8.4.8
8.4.9
8.4.10
8.4.11
8.4.12
8.4.13
2 362
DS26556 4端口单元/包过T1 / E1 / J1收发器
8.4.14
8.4.15
8.4.16
8.4.17
8.4.18
接收SLC -96的操作.................................................................................................................................69
接收FDL .......................................................................................................................................................69
可编程带内循环码Detection....................................................................................................70
接收HDLC Controller....................................................................................................................................70
接收HDLC控制器Example.....................................................................................................................71
T1每声道环回..................................................................................................................................72
T1发送DS0监控功能................................................................................................................72
T1发送信令操作........................................................................................................................72
T1传输每信道空闲代码插入....................................................................................................73
T1传输通道标志寄存器.................................................................................................................73
支持部分T1 (间隙时钟模式) .....................................................................................................73
T1发送面向位的代码( BOC)控制器......................................... .................................................. .... 73
T1发送FDL .................................................................................................................................................73
发送SLC -96的操作...............................................................................................................................74
发送HDLC Controller...................................................................................................................................74
HDLC发送示例....................................................................................................................................74
可编程带内循环码Generator...................................................................................................75
接口的T1的Tx格式化的BERT......................................................................................................76
T1发射Synchronizer...................................................................................................................................76
H.100 ( CT总线)兼容.............................................................................................................................76
E1错误计数Registers....................................................................................................................................77
DS0监控功能....................................................................................................................................78
E1接收信号Operation.........................................................................................................................78
分档E1支持(间隙时钟模式) .....................................................................................................79
其他仨位和Si-位接收操作( E1模式) .................................... ............................................ 79
HDLC开销控制接收Example........................................................................................................79
接口的E1成帧器接收到BERT .........................................................................................................80
E1发送格式化描述和操作............................................ ................................................. 81
自动报警Generation...............................................................................................................................81
G.706中级CRC- 4更新( E1模式) ..................................... .................................................. 0.81
E1发送DS0监控功能................................................................................................................82
E1发送信令操作........................................................................................................................82
分档E1支持(间隙时钟模式) .....................................................................................................83
其他( SA)和国际(SI )位操作( E1模式) ................................... ....................................... 83
E1发送HDLC控制器.............................................................................................................................83
E1 HDLC发送Example...............................................................................................................................84
接口的E1发送到BERT ........................................................................................................85
E1发送Synchronizer...................................................................................................................................85
8.5
T1 T
RANSMIT
F
ORMATTER
D
ESCRIPTION和
O
PERATION
.............................................................................72
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6
8.5.7
8.5.8
8.5.9
8.5.10
8.5.11
8.5.12
8.5.13
8.5.14
8.6
E1
ECEIVE
F
RAMER
D
ESCRIPTION和
O
PERATION
....................................................................................76
8.6.1
8.6.2
8.6.3
8.6.4
8.6.5
8.6.6
8.6.7
8.6.8
8.6.9
8.6.10
8.6.11
8.6.12
8.6.13
8.6.14
8.6.15
8.6.16
8.6.17
8.6.18
8.6.19
9
线路接口单元( LIU)
86
9.1刘牛逼
变送器
........................................................................................................................................86
9.1.1脉冲形状
...................................................................................................................................................86
9.1.2发送终止
.......................................................................................................................................86
9.1.3掉电和高阻
.................................................................................................................................86
9.1.4发送全1
............................................................................................................................................86
9.1.5驱动器故障监视器
............................................................................................................................................86
9.2 R
ECEIVER
....................................................................................................................................................89
9.2.1接收监控模式
...................................................................................................................................89
9.2.2峰值检波器和切片机
................................................................................................................................90
9.2.3时钟和数据恢复
...............................................................................................................................90
9.2.4接收电平指示器
...................................................................................................................................90
9.2.5信号丢失
...................................................................................................................................................90
9.3 J
伊特尔
A
TTENUATOR
....................................................................................................................................93
9.4 LIU L
OOPBACKS
..........................................................................................................................................93
9.4.1
9.4.2
9.4.3
模拟环回................................................................................................................................................93
当地Loopback...................................................................................................................................................94
远程Loopback...............................................................................................................................................94
10
11
总体寄存器映射
95
寄存器映射及说明
97
11.1 G
叶形
R
EGISTERS
.....................................................................................................................................97
11.1.1
全局控制Registers.....................................................................................................................................97
3的362
DS26556 4端口单元/包过T1 / E1 / J1收发器
11.1.2
11.2.1
11.2.2
11.2.3
11.2.4
11.2.5
11.2.6
11.2.7
11.2.8
11.3.1
11.3.2
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
11.4.6
11.4.7
11.4.8
11.4.9
11.4.10
11.4.11
11.4.12
11.4.13
11.4.14
11.4.15
11.4.16
11.4.17
环球状态寄存器....................................................................................................................................104
一般小区/包Registers........................................................................................................................111
单元/数据包状态寄存器............................................................................................................................113
发送FIFO Registers...................................................................................................................................115
发送Cell处理器寄存器...................................................................................................................120
发送数据包处理器寄存器..............................................................................................................127
接收小区处理器寄存器....................................................................................................................133
接收数据包处理器寄存器...............................................................................................................148
接收FIFO寄存器...................................................................................................................................160
传输系统接口Registers................................................................................................................163
接收系统接口Registers.................................................................................................................165
主接收模式寄存器........................................................................................................................171
中断信息注册...........................................................................................................................172
T1接收控制Registers...........................................................................................................................173
T1线路代码违反计数寄存器(LCVCR).............................................................................................189
T1路径代码违反计数寄存器(PCVCR)............................................................................................190
T1帧输出不同步计数寄存器(FOSCR)............................................................................................191
DS0监控功能..................................................................................................................................192
接收信号Registers.............................................................................................................................193
T1接收每信道空闲代码插入...................................................................................................196
T1接收通道标志寄存器................................................................................................................197
接收部分T1支持(跳空时钟模式) ........................................ ............................................. 198
接收T1面向比特的代码( BOC)控制器........................................ .................................................. 199 ....
接收SLC -96的操作...............................................................................................................................200
接收FDL .....................................................................................................................................................201
可编程带内循环码Detection..................................................................................................202
接收HDLC Controller..................................................................................................................................208
接收BERT ..................................................................................................................................................214
11.2 C
ELL
/ P
蒙皮
R
EGISTER
D
ESCRIPTIONS
...................................................................................................110
11.3 S
变体系
I
覆盖整个院落
R
EGISTERS
.................................................................................................................163
11.4 R
ECEIVE
T1 F
RAMER
R
EGISTERS
...............................................................................................................168
11.5 T1 T
RANSMIT FRAMER
................................................................................................................................216
11.5.1发送主控模式寄存器.......................................................................................................................219
11.5.2中断寄存器信息.........................................................................................................................219
11.5.3 T1发送控制寄存器..........................................................................................................................220
11.5.4 T1发送状态和Information..................................................................................................................225
11.5.5 T1每声道环回................................................................................................................................228
11.5.6 T1发送DS0监控功能..............................................................................................................229
11.5.7 T1发送信令操作......................................................................................................................229
11.5.8 T1发送每信道空闲代码插入..................................................................................................233
11.5.9 T1传输通道标志寄存器...............................................................................................................234
11.5.10支持部分T1 (间隙时钟模式) ...................................................................................................235
11.5.11 T1发送面向位的代码( BOC)控制器...................................... .................................................. ..... 236
11.5.12 T1发送FDL ...............................................................................................................................................237
11.5.13发送SLC -96的操作.............................................................................................................................237
11.5.14发送HDLC Controller.................................................................................................................................238
发送中断屏蔽寄存器2.................................................................................................................................243
11.5.15可编程带内循环码Generator.................................................................................................244
11.5.16接口的T1的Tx格式化的BERT....................................................................................................246
11.5.17 T1发射Synchronizer.................................................................................................................................248
11.6 E1
ECEIVE
F
RAMER
.................................................................................................................................250
11.6.1
11.6.2
11.6.3
11.6.4
11.6.5
11.6.6
11.6.7
11.6.8
11.6.9
11.6.10
11.6.11
11.6.12
11.6.13
11.6.14
E1成帧器接收说明和操作............................................ .................................................. ..253
接收主模式Register.........................................................................................................................253
中断寄存器信息.........................................................................................................................254
E1接收控制Registers...........................................................................................................................254
E1接收状态和信息..................................................................................................................257
E1错误计数Registers..................................................................................................................................269
DS0监控功能..................................................................................................................................272
E1接收信号Operation.......................................................................................................................273
E1接收每信道空闲代码插入...................................................................................................275
E1接收通道标志寄存器................................................................................................................276
分档E1支持(间隙时钟模式) ...................................................................................................276
其他仨位和Si-位接收操作( E1模式) .................................... .......................................... 278
接收成帧器HDLC控制器.....................................................................................................................284
接口的E1成帧器接收到BERT .......................................................................................................291
4 362
DS26556 4端口单元/包过T1 / E1 / J1收发器
11.7 E1牛逼
RANSMIT FRAMER
................................................................................................................................293
11.7.1
11.7.2
11.7.3
11.7.4
11.7.5
11.7.6
11.7.7
11.7.8
11.7.9
11.7.10
11.7.11
11.7.12
11.7.13
11.7.14
传输主模式Register........................................................................................................................296
中断寄存器信息.........................................................................................................................297
E1传输控制Registers..........................................................................................................................297
E1发送状态和信息.................................................................................................................300
每通道环回.....................................................................................................................................302
E1发送DS0监控功能..............................................................................................................303
E1发送信令操作......................................................................................................................304
E1发送每信道空闲代码插入..................................................................................................308
E1传输通道标志寄存器...............................................................................................................309
分档E1支持(间隙时钟模式) ...................................................................................................309
其他( SA)和国际(SI )位操作( E1模式) ................................... ..................................... 310
E1发送HDLC控制器...........................................................................................................................317
接口的E1发送到BERT ......................................................................................................323
E1发送Synchronizer.................................................................................................................................325
线路接口单元( LIU)
327
12.1刘
EGISTERS
.........................................................................................................................................328
13误码率测试仪( BERT )
335
13.1 BERT
EGISTER
B
IT
D
ESCRIPTIONS
..........................................................................................................336
14 JTAG边界扫描结构和测试访问端口
342
14.1 TAP
ONTROLLER
S
TATE
M
ACHINE
...........................................................................................................343
14.2 I
NSTRUCTION
R
EGISTER
.............................................................................................................................345
14.3 T
美东时间
R
EGISTERS
.......................................................................................................................................346
15引脚分配
347
16
17
18
19
包装机械信息
封装的热信息
绝对最大额定值
348
349
350
12
AC时序
351
19.1 T
RANSMIT
TDM P
ORT
AC - C
极特
.............................................................................................353
19.2 R
ECEIVE
TDM P
ORT
AC - C
极特
...............................................................................................354
19.3 H
室内运动场
S
撒尿
P
ORT
AC - C
极特
..................................................................................................355
19.4 S
变体系
I
覆盖整个院落
AC - C
极特
.................................................................................................356
19.5 M
ICROPROCESSOR
B
US
AC - C
极特
..........................................................................................358
19.6 JTAG我
覆盖整个院落
T
即时通信
...........................................................................................................................361
20版本更改历史
362
5 362
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