DS2156

T1 / E1 / J1单芯片收发器

TDM / UTOPIA II接口

www.maxim-ic.com

概述

该DS2156是一个软件可选的T1 ，E1或J1

单芯片收发器（ SCT ）短途和

长途应用。背板为用户自

可配置为TDM或UTOPIA II总线接口。

在DS2156由线路接口单元的

（ LIU） ，成帧器， HDLC控制器，和一

UTOPIA / TDM背板接口，并且被控制

通过配置为Intel或8位并行口

摩托罗拉总线操作。该DS2156是引脚和

软件与DS2155兼容。

刘是由发射和接收

接口和抖动衰减器。发送

接口负责生成必要

波形，用于驱动该网络，并提供

根据不同的类型选择正确的源阻抗

媒体使用。 T1波形生成包括

DSX -1线路附加件和CSU线路外附

的-7.5dB ， -15dB和-22.5db，可E1波形

代包括G.703波形为75Ω

同轴线或120Ω双绞线电缆。该接收接口

提供网络终端和恢复时钟和

来自网络的数据。

特点

完整的T1 / DS1 / ISDN - PRI / J1收发器

的功能

完整的E1 （CEPT ）的PCM -30 / ISDN-PRI

收发器功能

用户可选的TDM或者UTOPIA II总线

接口

长途和短途线路接口

时钟/数据恢复和波形整形

CMI编码器/解码器，光学I / F

晶振的抖动衰减器

完全独立的发送和接收

的功能

双HDLC控制器

可编程BERT发生器与检测器

内部软件可选接收和

发送方的终端电阻

75Ω / 100Ω / 120Ω T1和E1接口

双帧弹性缓存滑动缓冲器，

连接到异步背板最多

16.384MHz

16.384MHz的， 8.192MHz的， 4.096MHz或

2.048MHz的时钟输出到合成

恢复网络时钟

产品特点继续第

1.

应用

反向复用ATM （ IMA ）

T1 / E1 / J1线卡

交换机和路由器

分插复用器

订购信息

部分

DS2156L

DS2156L+

DS2156LN

DS2156LN+

DS2156G

DS2156G+

DS2156GN

DS2156GN+

温度范围

0 ° C至+ 70°C

0 ° C至+ 70°C

-40 ° C至+ 85°C

-40 ° C至+ 85°C

0 ° C至+ 70°C

0 ° C至+ 70°C

-40 ° C至+ 85°C

-40 ° C至+ 85°C

PIN- PACKAGE

100 LQFP

100 LQFP

100 LQFP

100 LQFP

100 CSBGA

100 CSBGA

100 CSBGA

100 CSBGA

乌托邦

T1/E1/J1

网

DS2156

T1/E1/J1

TDM / UTOPIA

背板

TDM

+表示

无铅/符合RoHS标准的封装。

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 。

1 265

REV ： 011606

DS2156

目录

1.

2.

2.1

主FEATURES............................................................................................................ 9

详细DESCRIPTION............................................................................................ 12

B

LOCK

D

IAGRAM

........................................................................................................................ 14

3.

3.1

引脚功能说明............................................... ..................................... 20

TDM B

无源底板

...................................................................................................................... 20

发送端.......................................................................................................................................20

接收端........................................................................................................................................23

3.1.1

3.1.2

3.2

3.2.1

3.2.2

UTOPIA B

US

............................................................................................................................ 26

接收端........................................................................................................................................26

发送端.......................................................................................................................................27

3.3

3.4

3.5

3.6

3.7

3.8

3.9

3.10

P

ARALLEL

C

ONTROL

P

ORT

P

插件

................................................................................................ 28

E

XTENDED

S

变体系

I

载文信息

B

US

...................................................................................... 29

U

SER

O

安输出

P

ORT

P

插件

......................................................................................................... 30

JTAG牛逼

美东时间

A

CCESS

P

ORT

P

插件

................................................................................................ 31

L

INE

I

覆盖整个院落

P

插件

................................................................................................................ 32

S

UPPLY

P

插件

............................................................................................................................. 33

L

和

克对

ACKAGE

P

INOUT

........................................................................................................ 34

10

MM

CSBGA P

IN

C

ONFIGURATION

.......................................................................................... 38

4.

4.1

4.2

并行端口......................................................................................................... 39

R

EGISTER

M

AP

.......................................................................................................................... 39

UTOPIA B

US

R

EGISTERS

.......................................................................................................... 45

5.

6.

6.1

6.2

6.3

6.4

6.5

特殊每通道寄存器操作............................................ ....... 46

规划模型................................................ ............................................. 48

P

OWER

-U

P

S

EQUENCE

.............................................................................................................. 49

主模式Register..........................................................................................................................49

6.1.1

I

NTERRUPT

H

ANDLING

............................................................................................................... 50

S

TATUS

R

EGISTERS

................................................................................................................... 50

I

载文信息

R

EGISTERS

.......................................................................................................... 51

I

NTERRUPT

I

载文信息

R

EGISTERS

........................................................................................ 51

7.

8.

8.1

8.2

8.3

8.4

时钟MAP.................................................................................................................. 52

T1成帧器/ FORMATTER控制和状态寄存器........................... 53

T1

ONTROL

R

EGISTERS

........................................................................................................... 53

T1 T

RANSMIT

T

RANSPARENCY

................................................................................................... 58

AIS- CI

和

RAI -CI摹

生成及

D

ETECTION

..................................................................... 58

T1

ECEIVE

-S

IDE

D

IGITAL

-M

ILLIWATT

C

ODE

G

eneration

......................................................... 59

9.

9.1

9.2

9.3

E1成帧器/ FORMATTER控制和状态寄存器........................... 62

E1

ONTROL

R

EGISTERS

.......................................................................................................... 62

A

UTOMATIC

A

LARM

G

eneration

............................................................................................... 66

我E1

载文信息

R

EGISTERS

.................................................................................................... 67

10.

10.1

通用控制和状态寄存器............................................. ......... 69

T1 / E1 S

TATUS

R

EGISTERS

........................................................................................................ 70

11.

12.

12.1

I / O引脚配置选项............................................ ............................... 76

环回配置................................................ .................................... 78

P

ER

-C

HANNEL

L

OOPBACK

......................................................................................................... 80

13.

13.1

错误计数寄存器............................................... ........................................ 82

L

INE

-C

ODE

V

IOLATION

C

'mount

R

EGISTER

（ LCVCR ） .............................. .................... 83

T1操作........................................................................................................................................83

E1操作........................................................................................................................................83

13.1.1

13.1.2

13.2

P

ATH

C

ODE

V

IOLATION

C

'mount

R

EGISTER

（ PCVCR ） .............................. ................... 85

2 265

DS2156

13.2.1

13.2.2

T1操作........................................................................................................................................85

E1操作........................................................................................................................................85

13.3

13.3.1

13.3.2

F

RAMES

O

UT

-

OF

-S

YNC

C

'mount

R

EGISTER

（ FOSCR ） .............................. ................... 86

T1操作........................................................................................................................................86

E1操作........................................................................................................................................86

13.4

E- B

IT

C

OUNTER

（ EBCR ） ........................................................................................................... 87

14.

15.

15.1

DS0监控功能............................................... ...................................... 88

信令操作................................................ ............................................. 90

R

ECEIVE

S

ignaling

.................................................................................................................. 90

基于处理器Signaling..................................................................................................................90

基于硬件的接收信号....................................................................................................91

15.1.1

15.1.2

15.2

15.2.1

15.2.2

15.2.3

15.2.4

T

RANSMIT

S

ignaling

................................................................................................................ 96

处理器为基础的模式.......................................................................................................................96

软件信令插入使能寄存器， E1 CAS模式........................................ ................ 100

软件信令插入使能寄存器， T1模式......................................... ........................ 102

基于硬件的模式......................................................................................................................102

16.

16.1

每信道空闲码生成............................................ .................. 103

I

DLE

-C

ODE

P

AGC软件

E

XAMPLES

..................................................................................... 104

17.

18.

18.1

通道阻滞寄存器............................................... ........................... 108

弹性存储器操作............................................... ................................. 111

R

ECEIVE

S

IDE

......................................................................................................................... 114

T1模式.............................................................................................................................................114

E1 Mode.............................................................................................................................................114

18.1.1

18.1.2

18.2

18.2.1

18.2.2

T

RANSMIT

S

IDE

....................................................................................................................... 114

T1模式.............................................................................................................................................115

E1 Mode.............................................................................................................................................115

18.3

18.4

E

LASTIC

S

TORES

I

NITIALIZATION

.............................................................................................. 115

M

最小值：

D

ELAY

M

ODE

............................................................................................................ 115

19.

20.

20.1

20.2

G.706中级CRC- 4更新（ E1模式） ................................. 116

T1面向位的代码（ BOC ）控制器......................................... ............. 117

T

RANSMIT

中国银行....................................................................................................................... 117

R

ECEIVE

中国银行......................................................................................................................... 117

发送BOC................................................................................................................................................117

收到BOC.................................................................................................................................................117

21.

21.1

21.2

21.3

附加（ SA ）和国际（ SI ）位操作（仅限于E1 ） .......... 120

M

ETHOD

1: H

ARDWARE

S

CHEME

............................................................................................. 120

M

ETHOD

2: I

NTERNAL

R

EGISTER

S

CHEME

B

ASED ON

D

OUBLE

-F

RAME

...................................... 120

M

ETHOD

3: I

NTERNAL

R

EGISTER

S

CHEME

B

ASED ON

CRC4 M

ULTIFRAME

................................ 123

22.

22.1

22.2

HDLC控制器................................................ ............................................... 133

B

ASIC

O

PERATION

D

ETAILS

..................................................................................................... 133

HDLC

ONFIGURATION

........................................................................................................... 133

FIFO控制......................................................................................................................................137

22.2.1

22.3

22.3.1

22.3.2

22.3.3

22.3.4

22.3.5

HDLC M

APPING

...................................................................................................................... 138

接受..............................................................................................................................................138

发送.............................................................................................................................................140

FIFO信息................................................................................................................................145

接收数据包字节可用........................................................................................................145

HDLC的FIFO ......................................................................................................................................146

22.4

22.5

22.5.1

22.5.2

22.5.3

R

ECEIVE

HDLC

ODE

E

XAMPLE

.............................................................................................. 147

L

EGACY

FDL S

UPPORT

（ T1 M

ODE

).......................................................................................... 147

概观............................................................................................................................................147

接收部分.................................................................................................................................147

发射部分................................................................................................................................149

3的265

DS2156

22.6

D4 / SLC -96

PERATION

.......................................................................................................... 149

23.

23.1

23.2

线路接口单元（ LIU） ............................................ ......................................... 150

刘

PERATION

...................................................................................................................... 150

R

ECEIVER

............................................................................................................................... 150

接收电平指示器和阈值中断............................................ ................................... 151

G.703接收同步信号（ E1模式） ........................................ .................................... 151

监控模式.....................................................................................................................................151

23.2.1

23.2.2

23.2.3

23.3

23.3.1

23.3.2

23.3.3

23.3.4

T

变送器

.......................................................................................................................... 152

发送短路Detector/Limiter..............................................................................................152

发送开路检测.........................................................................................................152

发送BPV错误插入.............................................................................................................152

发送G.703同步信号（ E1模式） ........................................ ................................... 152

23.4

23.5

23.6

23.7

23.8

23.9

MCLK P

重新依比例调整

.................................................................................................................. 153

J

伊特尔

A

TTENUATOR

............................................................................................................... 153

CMI （C

ODE

M

ARK

I

n版本

) O

PTION

.................................................................................... 153

刘成

ONTROL

R

EGISTERS

....................................................................................................... 154

R

ECOMMENDED

C

IRCUITS

........................................................................................................ 161

C

OMPONENT

S

PECIFICATIONS

.................................................................................................. 163

24.

24.1

UTOPIA背板接口............................................... ............................ 168

D

ESCRIPTION

.......................................................................................................................... 168

适用的标准目录..............................................................................................................168

缩略语和定义..................................................................................................................168

24.1.1

24.1.2

24.2

24.3

24.4

24.5

24.5.1

24.5.2

24.5.3

UTOPIA

LOCK

M

副执行秘书办公室

.......................................................................................................... 169

F

ULL

T1 / E1 M

ODE和

C

LEAR

-C

HANNEL

E1 M

ODE

................................................................. 169

F

RACTIONAL

T1/E1

模式

........................................................................................................ 170

T

RANSMIT

O

PERATION

............................................................................................................. 171

UTOPIA端发送：多路复用模式有一个发射CLAV ........................................ ............... 171

UTOPIA端发送：直接状态模式（ Multitransmit CLAV ） ....................................... ............ 174

发送处理..........................................................................................................................176

24.6

24.6.1

24.6.2

24.6.3

R

ECEIVE

O

PERATION

............................................................................................................... 177

接收处理...........................................................................................................................177

UTOPIA接收方：多路复用模式，一个接收CLAV ........................................ ................. 179

UTOPIA接收方：直接状态模式（ Multireceive CLAV ） ....................................... .............. 180

24.7

24.8

24.9

R

EGISTER

D

EFINITIONS

........................................................................................................... 182

R

ECEIVE

FIFO

VERRUN

........................................................................................................ 193

UTOPIA

IAGNOSTIC

L

OOPBACK

............................................................................................ 193

25.

26.

26.1

26.2

26.3

26.4

26.5

26.6

可编程带内循环代码生成和检测........ 194

BERT功能........................................................................................................ 201

S

TATUS

................................................................................................................................... 201

M

APPING

................................................................................................................................. 201

BERT

EGISTER

D

ESCRIPTIONS

............................................................................................. 203

BERT

EPETITIVE

P

ATTERN

S

ET

............................................................................................. 207

BERT B

IT

C

OUNTER

............................................................................................................... 208

BERT ê

RROR

C

OUNTER

......................................................................................................... 209

27.

27.1

有效载荷ERROR -插入函数（ T1模式） ................................ 211

N

棕土

-

OF

-E

RRORS

R

EGISTERS

............................................................................................ 213

数的，左的错误Register..........................................................................................................214

27.1.1

28.

28.1

28.2

交错PCM总线操作（ IBO ） ........................................... ................ 215

C

HANNEL

I

NTERLEAVE

............................................................................................................. 215

F

RAME

I

NTERLEAVE

................................................................................................................. 215

29.

30.

31.

扩展系统信息总线（ ESIB ） ........................................... ......... 218

可编程背板时钟合成器....................................... 222

部分T1 / E1支持............................................. .................................... 222

4 265

DS2156

31.1

31.2

TDM B

无源底板

M

ODE

.......................................................................................................... 222

UTOPIA B

无源底板

M

ODE

.................................................................................................... 223

32.

33.

33.1

33.2

用户可编程输出引脚上............................................. ..................... 224

JTAG边界扫描结构和测试访问端口................ 225

D

ESCRIPTION

.......................................................................................................................... 225

I

NSTRUCTION

R

EGISTER

.......................................................................................................... 228

SAMPLE/PRELOAD.........................................................................................................................................229

BYPASS ...........................................................................................................................................................229

EXTEST............................................................................................................................................................229

CLAMP .............................................................................................................................................................229

HIGHZ...............................................................................................................................................................229

IDCODE............................................................................................................................................................229

33.3

33.4

33.5

33.6

T

美东时间

R

EGISTERS

..................................................................................................................... 230

B

OUNDARY

S

可以

R

EGISTER

.................................................................................................... 230

B

YPASS

R

EGISTER

.................................................................................................................. 230

I

DENTIFICATION

R

EGISTER

....................................................................................................... 230

34.

34.1

34.2

功能时序图............................................... ............................. 234

T1 M

ODE

................................................................................................................................ 234

E1 M

ODE

................................................................................................................................ 239

35.

36.

36.1

36.2

36.3

36.4

36.5

36.6

操作参数................................................ ...................................... 248

AC时序参数和图表............................................. .............. 250

M

ULTIPLEXED

B

US

AC - C

极特

................................................................................ 250

N

ONMULTIPLEXED

B

US

AC - C

极特

......................................................................... 253

R

ECEIVE

-S

IDE

AC - C

极特

...................................................................................... 256

T

RANSMIT

AC - C

极特

............................................................................................ 259

UTOPIA牛逼

RANSMIT

AC - C

极特

.............................................................................. 262

UTOPIA

ECEIVE

AC - C

极特

................................................................................ 262

37.

38.

38.1

修订历史................................................ .................................................. 。 263

封装信息................................................ ......................................... 264

100-P

IN

LQFP (56-G5002-000).............................................................................................. 264

100-B

所有

CSBGA （ 56 G6008-001 ） .......................................... .............................................. 265

38.2

5 265