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位置:首页 > IC型号导航 > 首字符C型号页 > 首字符C的型号第338页 > CS61884-IQ
CS61884
八路T1 / E1 / J1线路接口单元
特点
行业标准的足迹
八进制E1 / T1 / J1短程线路接口单元
低功耗
对于无需外部组件的变化
100
/120 /75
操作。
脉冲形状可以由用户进行定制。
内置AMI , B8ZS或HDB3编码/解码
LOS检测每T1.231 , ITU G.775 , ETSI 300-233
G.772非侵入式监测
G.703 BITS时钟恢复
晶体抖动衰减
串行/并行微处理器控制接口
发射器短路电流限制器( <50毫安)
与快速高阻和掉电TX驱动器
JTAG边界扫描兼容IEEE 1149.1 。
144引脚LQFP或160引脚BGA封装
订购信息
CS61884-IQ
144引脚LQFP
CS61884-IQZ
144引脚LQFP封装,无铅
CS61884-IB
160针FBGA
每个接收器提供了可靠的数据恢复了
12分贝电缆的衰减。该接收机还其纳入
率的LOS检测符合最新的
特定连接的阳离子。
描述
该CS61884是一个全功能的八进制E1 / T1 / J1短途
刘,支持1.544 Mbps或2.048 Mbps的数据
传输。每个通道提供无晶体抖动
衰减,符合最严格的标
dards 。每个通道还提供内部
AMI / B8ZS / HDB3编码/解码。为了支持恩
hanced系统诊断,零频道可
配置为G.772非侵入式监测的任何
其他7通道的接收或传送路径。
CS61884可使超低功耗, matched-
阻抗,发射器和接收器降低功耗
超越传统驱动设计实现。通过
实现更加精确的线路匹配,这种技术也
提供了良好的回波损耗特性。 Additional-
LY ,内部线路匹配电路减少了
外部元件数量。所有变送器都控制
独立的电源关闭和High -Z 。
LOS
解码器
LOS
接收器
RCLK
RPOS
RNEG
时钟
恢复
数据
恢复
RTIP
模拟环回
远程回环
RRING
数字环回
G.772 MONITOR
抖动
衰减器
司机
发送
控制
脉冲
整形
TCLK
TPOS
TNEG
TTIP
特林
0
1
7
JTAG
串行
PORT
编码器
JTAG接口
主机接口
主持人
串行/并行
PORT
http://www.cirrus.com
版权
Cirrus Logic公司, 2005年公司
(版权所有)
AUG 05
DS485F1
1
CS61884
目录
1.引脚 - LQFP ........................................................................................................................................ 7
2.引脚 - FBGA ........................................................................................................................................ 8
3.引脚说明................................................................................................................................. 9
3.1电源.................................................................................................................................. 9
3.2控制.............................................................................................................................................. 10
3.3地址输入/环回............................................................................................................... 14
3.4电缆选择..................................................................................................................................... 15
3.5状态............................................................................................................................................... 15
3.6数字接收/发送数据的I / O ....................................................................................................................... 16
3.7模拟RX / TX数据I / O .................................................................................................................... 19
3.8 JTAG测试接口......................................................................................................................... 21
3.9其他................................................................................................................................... 21
4.操作........................................................................................................................................... 22
5. POWER- UP ............................................................................................................................................. 22
6.主时钟.................................................................................................................................... 22
7. G.772监测............................................................................................................................... 22
8.建筑一体化计时系统( BITS )时钟模式....................................... ........... 23
9.变送器....................................................................................................................................... 24
9.1双极模式.................................................................................................................................... 25
9.2单极模式.................................................................................................................................. 25
9.3 RZ模式........................................................................................................................................... 25
9.4发送器掉电/高阻...................................................................................................... 25
9.5发送全1( TAOS ) ................................................................................................................ 25
9.6自动TAOS ............................................................................................................................... 26
9.7驱动程序故障监视器....................................................................................................................... 26
9.8驱动器短路保护.......................................................................................................... 26
10.接收器............................................................................................................................................ 26
10.1双极输出模式...................................................................................................................... 26
10.2单极性输出模式.................................................................................................................... 26
10.3 RZ输出模式............................................................................................................................. 27
10.4接收器掉电/高阻.......................................................................................................... 27
联系Cirrus Logic公司支持
请访问Cirrus Logic公司网站:
http://www.cirrus.com
重要通知
Cirrus Logic公司,公司及其附属公司( "Cirrus" )认为,本文档中包含的信息是准确和可靠。然而,资料如有
更改,恕不另行通知,并提供"AS IS"没有任何形式(明示或暗示)的担保。建议客户获得相关的最新版本
信息验证,在下订单之前,该信息被依赖是当前和完整。所有产品的销售都遵循销售条款和条件
在订单确认时所提供的,包括与保修,赔偿和责任限制。不承担因卷云
对于使用此信息,包括使用该信息为基础进行制造或销售的任何产品,或者用于专利或第三其他权利的
当事人。这份文件是Cirrus和通过提供这些信息的属性, Cirrus的补助金没有执照,明示或任何专利,口罩工作的权利暗示
版权,商标,商业秘密或其他知识产权。卷云拥有与本文所含信息相关的著作权,并给出CON-
送去的副本只为您的组织中使用相对于西锐集成电路或Cirrus的其他产品进行的信息。此项同意
不会扩展到其他复印等复印的总经销,广告或促销目的,或为创建转售的任何工作。
采用半导体产品的某些应用程序可能会涉及到死亡,人身伤害或严重PROP-潜在风险
ERTY或环境损害( "CRITICAL APPLICATIONS" ) 。 CIRRUS产品并非设计,授权或许可用于
在飞机系统,军事应用,产品通过手术植入人体,汽车安全或保安DE-
恶习,生命支持产品和其他关键应用。作者CIRRUS在这类应用产品夹杂物不足
站在完全根据客户的风险和Cirrus声明,也没有明示,法定或暗示的担保,
包括适销性和适用性的暗示担保特定目的,对任何CIRRUS产品
用于用此类方式。如果客户或客户的客户使用或允许的CIRRUS产品在批评使用
应用,客户同意了,等用途,完全赔偿CIRRUS ,其高级职员,董事,员工,经销商和
其他代理从任何和所有责任,包括律师费和成本,这可能导因于或起源于连接
这些用途。
Cirrus Logic公司,卷云,而Cirrus Logic公司的标志设计是Cirrus Logic , Inc.的商标。所有其他品牌和产品名称本文档中可能是商标
其各自所有者的或服务标志。
2
DS485F1
CS61884
10.5丢失的信号( LOS ) .......................................................................................................................27
10.6告警指示信号( AIS ) ..........................................................................................................28
抖动衰减器.........................................................................................................................28
业务摘要..................................................................................................................29
12.1环回.......................................................................................................................................29
12.2模拟环回............................................................................................................................29
12.3数字环回..............................................................................................................................30
12.4远端环回...........................................................................................................................30
主机模式..........................................................................................................................................32
13.1软件复位.......................................................................................................................32
13.2串行口工作.......................................................................................................................32
13.3并行端口操作....................................................................................................................33
13.4寄存器集....................................................................................................................................34
注册说明.................................................................................................................35
14.1版本/ IDCODE寄存器( 00H ) ......................................................................................................35
14.2模拟环回寄存器( 01H ) .....................................................................................................35
14.3远端环回寄存器( 02H ) ...................................................................................................35
14.4 TAOS使能寄存器( 03H ) ..........................................................................................................35
14.5 LOS状态寄存器( 04H ) ..............................................................................................................35
14.6 DFM状态寄存器(05h ) .............................................................................................................35
14.7 LOS中断使能寄存器( 06H ) .......................................... .................................................. ... 36
14.8 DFM中断使能寄存器( 07H ) .......................................... .................................................. ..36
14.9 LOS中断状态寄存器( 08H ) .......................................... .................................................. .... 36
14.10 DFM中断状态寄存器( 09H ) .......................................... .................................................. 0.36
14.11软件复位寄存器(0AH ) .....................................................................................................36
14.12性能监视器寄存器( 0Bh的) ........................................... ................................................. 36
14.13数字环回复位寄存器( 0CH ) .......................................... ............................................... 37
14.14 LOS / AIS模式使能寄存器( 0DH ) ........................................ .................................................. 37
14.15自动TAOS寄存器( 0EH ) ...................................................................................................37
14.16全局控制寄存器(0Fh ) .......................................................................................................38
14.17线长度频道ID寄存器( 10H ) ......................................... ................................................ 38
14.18线长度数据寄存器( 11H ) ...................................................................................................39
14.19输出禁用寄存器( 12H ) .......................................................................................................39
14.20 AIS状态寄存器( 13H ) .............................................................................................................39
14.21 AIS中断使能寄存器( 14H) .......................................... .................................................. ..39
14.22 AIS中断状态寄存器( 15H) .......................................... .................................................. ... 40
14.23 AWG广播寄存器( 16H) .....................................................................................................40
14.24 AWG相地址寄存器( 17H) .......................................... .................................................. 40
14.25 AWG相位数据寄存器( 18H) .......................................... .................................................. ...... 40
14.26 AWG使能寄存器( 19H) ..........................................................................................................40
14.27 AWG溢出中断使能寄存器(为1Ah ) ......................................... ................................... 41
14.28 AWG溢出中断状态寄存器( 1BH ) ......................................... .................................... 41
14.29 JA错误中断使能寄存器(代上) ......................................... ............................................. 41
14.30 JA错误中断状态寄存器( 1DH ) ......................................... .............................................. 41
14.31 BITS时钟使能寄存器( 1EH ) .......................................... .................................................. ...... 41
14.32预留寄存器(地址1Fh ) ...............................................................................................................41
14.33状态寄存器............................................................................................................................42
14.33.1中断使能寄存器...................................................................................................42
14.33.2中断状态寄存器....................................................................................................42
任意波形发生器............................................... ............................................. 43
JTAG支持....................................................................................................................................45
16.1 TAP控制器.................................................................................................................................45
16.1.1 JTAG复位...........................................................................................................................45
3
11.
12.
13.
14.
15.
16.
DS485F1
CS61884
16.1.2测试逻辑复位................................................................................................................... 45
16.1.3运行测试空闲........................................................................................................................ 45
16.1.4选择DR扫描.................................................................................................................... 46
16.1.5捕获-DR ........................................................................................................................... 46
16.1.6移位DR ................................................................................................................................ 46
16.1.7退出1- DR ................................................................................................................................ 46
16.1.8暂停-DR ............................................................................................................................. 46
16.1.9退出2 -DR ................................................................................................................................ 46
16.1.10更新-DR .......................................................................................................................... 46
16.1.11选择IR扫描.................................................................................................................... 47
12年1月16日捕获红外.......................................................................................................................... 47
13年1月16日移位IR ................................................................................................................................ 47
14年1月16日退出1- IR ............................................................................................................................... 47
15年1月16日暂停IR ............................................................................................................................. 47
16年1月16日退出2 -IR ............................................................................................................................... 47
17年1月16日更新IR ........................................................................................................................... 47
16.2指令寄存器(IR ) ................................................................................................................. 47
16.2.1 EXTEST ................................................................................................................................ 47
16.2.2 SAMPLE / PRELOAD ............................................................................................................. 47
16.2.3 IDCODE ................................................................................................................................ 47
16.2.4 BYPASS ............................................................................................................................... 47
16.3器件ID寄存器( IDR ) ................................................................................................................ 48
边界扫描寄存器( BSR ) ........................................... .................................................. .. 48
应用.................................................................................................................................... 51
18.1变压器规格............................................................................................................. 53
18.2晶体振荡器产品规格..................................................................................................... 53
18.3设计的AT&T 62411 ............................................................................................................. 53
18.4线路保护............................................................................................................................... 53
特性和规范............................................... ...................................... 54
19.1绝对最大额定值............................................................................................................ 54
19.2推荐工作条件.............................................. .............................................. 54
19.3的数字特性..................................................................................................................... 55
19.4变送器模拟特性.............................................. .................................................. 55
19.5接收模拟特性.............................................. .................................................. .... 56
19.6抖动衰减特性..................................................................................................... 57
19.7主时钟开关特性............................................. ............................................ 59
19.8发送开关特性.............................................. .................................................. 59
19.9接收开关特性.............................................. .................................................. 59
19.10开关特性 - 串行端口............................................ ............................................. 61
19.11开关特性 - 并行口(复用模式) ........................................ .............. 62
19.12开关特征 - 并行端口(非复用模式) ..................................... ......... 65
19.13开关特性 - JTAG ............................................. .................................................. .. 68
柔顺的建议和规格.............................................. ............. 69
FBGA封装尺寸.......................................................................................................... 70
LQFP封装尺寸
..................................................................................................... 71
17.
18.
19.
20.
21.
22.
4
DS485F1
CS61884
图列表
图1. CS61884 144引脚输出....................................................................................................... 7
图2. CS61884 160球FBGA封装引脚输出........................................ ............................................ 8
图3. G.703 BITS时钟模式在NRZ模式...................................... .................................... 23
图4. G.703 BITS时钟模式RZ模式...................................... ....................................... 23
图5. G.703 BITS时钟模式在远端环回...................................... ......................... 23
图6.脉冲面膜在T1 / J1接口........................................ .................................................. 24
图7.脉冲模板的E1接口.......................................... .................................................. 24 ..
图8.模拟环回框图........................................... ......................................... 30
图9.模拟环回与TAOS框图......................................... ....................... 30
图10.数字环回框图........................................... ....................................... 31
图11.数字环回与TAOS ........................................... ............................................. 31
图12.远程环回框图........................................... ...................................... 31
图13.串行读/写格式( SPOL = 0 ) ..................................... ...................................... 33
图14.任意波形UI ............................................ .................................................. .... 43
图15.测试访问端口架构........................................... ............................................. 45
图16. TAP控制器状态图........................................... ............................................ 46
图17.内部RX / TX阻抗匹配......................................... ................................... 51
图18.内部TX , RX外部阻抗匹配........................................ .................... 52
图19.抖动传输特性与G.736 , TBR 12/13 & AT&T 62411 ........................... 58
图20.抖动容限特性与G.823 & AT&T 62411 .................................... ........ 58
图21.恢复时钟和数据开关特性......................................... .......... 60
图22.发送时钟和数据开关特性......................................... ............. 60
图23.信号上升和下降特性.......................................... ..................................... 60
图24.串口读取时序图.......................................... ........................................ 61
图25.串行端口写时序图.......................................... ....................................... 61
图26.并行端口时序 - 写;英特尔复用的地址/数据总线模式................... 63
图27.并行模式端口时序 - 读;英特尔复用的地址/数据总线模式........ 63
图28.并行端口时序 - 写在摩托罗拉复用的地址/数据总线.................. 64
图29.并行端口时序 - 读摩托罗拉复用的地址/数据总线................... 64
图30.并行端口时序 - 写在英特尔非复用的地址/数据总线模式....... 66
图31.并行端口时序 - 阅读英特尔非复用的地址/数据总线模式........ 66
图32.并行端口时序 - 写在摩托罗拉非复用的地址/数据总线模式67
图33.并行端口时序 - 读摩托罗拉非复用的地址/数据总线模式。 67
图34. JTAG开关特性............................................ ........................................ 68
DS485F1
5
CS61884
八路T1 / E1 / J1线路接口单元
特点
工业标准尺寸
八进制E1 / T1 / J1短程线路接口单元
低功耗
对于无需外部组件的变化
100
/120 /75
手术
脉冲形状可以由用户进行定制
内置AMI , B8ZS或HDB3编码/解码
LOS检测每T1.231 , ITU G.775 , ETSI 300-233
G.772非侵入式监测
G.703 BITS时钟恢复
晶体抖动衰减
串行/并行微处理器控制接口
发射器短路电流限制器( <50毫安)
与快速高阻和掉电TX驱动器
JTAG边界扫描兼容IEEE 1149.1
144引脚LQFP或160引脚BGA封装
订购信息
CS61884-IQ
CS61884-IB
144引脚LQFP
160针FBGA
描述
该CS61884是一个全功能的八进制E1 / T1 / J1短
长途刘,支持1.544 Mbps或2.048 Mbps的
数据传输。每个通道提供无晶体
抖动衰减,符合最严格的
标准。每个通道还提供内部
AMI / B8ZS / HDB3编码/解码。为了支持恩
hanced系统诊断,零频道可
配置为G.772非侵入式监测的任何
其他7通道的接收或传送路径。
CS61884可使超低功率匹配im-
pedance发射器和接收器,以降低功耗
超越传统驱动设计实现。通过
实现更加精确的线路匹配,这种技术也
提供了良好的回波损耗特性。 Additional-
LY ,内部线路匹配电路减少了
外部元件数量。所有变送器都控制
独立的电源关闭和High -Z 。
每个接收器提供了可靠的数据恢复了
12分贝电缆的衰减。该接收机还其纳入
率的LOS检测符合最新的
特定连接的阳离子。
注:点击任
文本
在蓝色去交叉引用。
LOS
RCLK
RPOS
RNEG
TCLK
TPOS
TNEG
LOS
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
接收器
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
时钟
数据
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
恢复
恢复
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
抖动
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
衰减器
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
司机
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
发送
脉冲
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
控制
整形
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
1
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
解码器
编码器
远程回环
模拟环回
数字环回
7
JTAG
串行
PORT
基本产品信息
P.O.箱17847 ,奥斯汀,德克萨斯州78760
( 512 ) 445 7222传真: ( 512 ) 445 7581
http://www.cirrus.com
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000
JTAG接口
主机接口
RTIP
RRING
G.772 MONITOR
TTIP
特林
主持人
串行/并行
PORT
本文档中包含的信息为新的产品。
Cirrus Logic公司保留修改本产品,恕不另行通知。
版权所有Cirrus Logic公司, 2002年公司
(版权所有)
MAY '02
DS485PP4
1
CS61884
目录
1.引脚 - LQFP ........................................................................................................................................ 7
2.引脚 - FBGA ........................................................................................................................................ 8
3.引脚说明................................................................................................................................. 9
3.1电源.................................................................................................................................. 9
3.2控制.............................................................................................................................................. 10
3.3地址输入/环回............................................................................................................... 14
3.4电缆选择..................................................................................................................................... 15
3.5状态............................................................................................................................................... 15
3.6数字接收/发送数据的I / O ....................................................................................................................... 16
3.7模拟RX / TX数据I / O .................................................................................................................... 19
3.8 JTAG测试接口......................................................................................................................... 21
3.9其他................................................................................................................................... 21
4.操作........................................................................................................................................... 22
5. POWER- UP ............................................................................................................................................. 22
6.主时钟.................................................................................................................................... 22
7. G.772监测............................................................................................................................... 22
8.建筑一体化计时系统( BITS )时钟模式....................................... ........... 23
9.变送器....................................................................................................................................... 24
9.1双极模式.................................................................................................................................... 25
9.2单极模式.................................................................................................................................. 25
9.3 RZ模式........................................................................................................................................... 25
9.4发送器掉电/高阻...................................................................................................... 25
9.5发送全1( TAOS ) ................................................................................................................ 25
9.6自动TAOS ............................................................................................................................... 26
9.7驱动程序故障监视器....................................................................................................................... 26
9.8驱动器短路保护.......................................................................................................... 26
10.接收器............................................................................................................................................ 26
10.1双极输出模式...................................................................................................................... 26
10.2单极性输出模式.................................................................................................................... 26
10.3 RZ输出模式............................................................................................................................. 27
10.4接收器掉电/高阻.......................................................................................................... 27
联系Cirrus Logic公司支持
对于直接销售,分销和销售代表接触的完整列表,请访问Cirrus Logic公司网站:
http://www.cirrus.com/corporate/contacts/sales.cfm
重要通知
"Preliminary"产品信息描述了在生产中的产品,但其全面的特征数据尚未公布。 "Advance" Infor公司产品
息描述了正在开发中,受发展变化的产品。 Cirrus Logic公司,公司及其附属公司( "Cirrus" )认为, Infor公司
本文档中包含息是准确可靠的。然而,信息如有变更,恕不另行通知,并提供"AS IS"不保修
任何形式的(明示或暗示) 。建议客户获得相关信息的最新版本进行验证,在下订单之前,这些信息是
仗着是当前和完整。所有产品的销售都遵循销售条款和条件在订单确认时所提供的,包括那些
关于保修,专利侵权,并赔偿责任限制。不承担因卷云的使用这些信息,包括使用本
信息为基础,制造或销售任何物品,或侵犯第三方专利或其他权利的。这份文件是Cirrus的财产
并通过提供这些信息, Cirrus的补助金没有执照,明示或任何专利,口罩工作权,著作权,商标,商业秘密或暗示或
其他知识产权。卷云拥有此处包含的信息的著作权,并给出同意副本进行的信息只
为您的组织中使用相对于Cirrus的集成电路或Cirrus的其他部分。此项同意不扩大到其他复印等复印
一般发行,广告或促销目的,或为创建转售的任何工作。
出口许可证需要从日本政府的主管部门,如果在此马的任何产品或技术的描述,以获得
terial并根据"Foreign外汇和外贸Law"控制是要出口或带出日本。出口许可证和/或配额需要
从中国政府的主管部门,如果获得任何本材料中描述的产品或技术受到中国外交
贸易法,是要出口或取出中华人民共和国。
采用半导体产品的某些应用程序可能会涉及到死亡,人身伤害,或严重的潜在风险
财产或环境破坏( "CRITICAL APPLICATIONS" ) 。 CIRRUS产品并非设计,授权或手令
ED是适合用作生命支持设备或系统或其他关键应用。包裹体CIRRUS产品
在这类应用中被理解为充分地在客户的风险。
Cirrus Logic公司,卷云,而Cirrus Logic公司的标志设计是Cirrus Logic , Inc.的商标。所有其他品牌和产品名称本文档中可能是与贸易
标志或它们各自所有者的服务标志。
2
DS485PP4
CS61884
10.5丢失的信号( LOS ) .......................................................................................................................27
10.6告警指示信号( AIS ) ..........................................................................................................28
抖动衰减器.........................................................................................................................28
业务摘要..................................................................................................................29
12.1环回.......................................................................................................................................29
12.2模拟环回............................................................................................................................29
12.3数字环回..............................................................................................................................30
12.4远端环回...........................................................................................................................30
主机模式..........................................................................................................................................32
13.1软件复位.......................................................................................................................32
13.2串行口工作.......................................................................................................................32
13.3并行端口操作....................................................................................................................33
13.4寄存器集....................................................................................................................................34
注册说明.................................................................................................................35
14.1版本/ IDCODE寄存器( 00H ) ......................................................................................................35
14.2模拟环回寄存器( 01H ) .....................................................................................................35
14.3远端环回寄存器( 02H ) ...................................................................................................35
14.4 TAOS使能寄存器( 03H ) ..........................................................................................................35
14.5 LOS状态寄存器( 04H ) ..............................................................................................................35
14.6 DFM状态寄存器(05h ) .............................................................................................................35
14.7 LOS中断使能寄存器( 06H ) .......................................... .................................................. ... 36
14.8 DFM中断使能寄存器( 07H ) .......................................... .................................................. ..36
14.9 LOS中断状态寄存器( 08H ) .......................................... .................................................. .... 36
14.10 DFM中断状态寄存器( 09H ) .......................................... .................................................. 0.36
14.11软件复位寄存器(0AH ) .....................................................................................................36
14.12性能监视器寄存器( 0Bh的) ........................................... ................................................. 36
14.13数字环回复位寄存器( 0CH ) .......................................... ............................................... 37
14.14 LOS / AIS模式使能寄存器( 0DH ) ........................................ .................................................. 37
14.15自动TAOS寄存器( 0EH ) ...................................................................................................37
14.16全局控制寄存器(0Fh ) .......................................................................................................38
14.17线长度频道ID寄存器( 10H ) ......................................... ................................................ 38
14.18线长度数据寄存器( 11H ) ...................................................................................................39
14.19输出禁用寄存器( 12H ) .......................................................................................................39
14.20 AIS状态寄存器( 13H ) .............................................................................................................39
14.21 AIS中断使能寄存器( 14H) .......................................... .................................................. ..39
14.22 AIS中断状态寄存器( 15H) .......................................... .................................................. ... 40
14.23 AWG广播寄存器( 16H) .....................................................................................................40
14.24 AWG相地址寄存器( 17H) .......................................... .................................................. 40
14.25 AWG相位数据寄存器( 18H) .......................................... .................................................. ...... 40
14.26 AWG使能寄存器( 19H) ..........................................................................................................40
14.27 AWG溢出中断使能寄存器(为1Ah ) ......................................... ................................... 41
14.28 AWG溢出中断状态寄存器( 1BH ) ......................................... .................................... 41
14.29 JA错误中断使能寄存器(代上) ......................................... ............................................. 41
14.30 JA错误中断状态寄存器( 1DH ) ......................................... .............................................. 41
14.31 BITS时钟使能寄存器( 1EH ) .......................................... .................................................. ...... 41
14.32预留寄存器(地址1Fh ) ...............................................................................................................41
14.33状态寄存器............................................................................................................................42
14.33.1中断使能寄存器...................................................................................................42
14.33.2中断状态寄存器....................................................................................................42
任意波形发生器............................................... ............................................. 43
JTAG支持....................................................................................................................................45
16.1 TAP控制器.................................................................................................................................45
16.1.1 JTAG复位...........................................................................................................................45
11.
12.
13.
14.
15.
16.
DS485PP4
3
CS61884
16.1.2测试逻辑复位................................................................................................................... 45
16.1.3运行测试空闲........................................................................................................................ 45
16.1.4选择DR扫描.................................................................................................................... 46
16.1.5捕获-DR ........................................................................................................................... 46
16.1.6移位DR ................................................................................................................................ 46
16.1.7退出1- DR ................................................................................................................................ 46
16.1.8暂停-DR ............................................................................................................................. 46
16.1.9退出2 -DR ................................................................................................................................ 46
16.1.10更新-DR .......................................................................................................................... 46
16.1.11选择IR扫描.................................................................................................................... 47
12年1月16日捕获红外.......................................................................................................................... 47
13年1月16日移位IR ................................................................................................................................ 47
14年1月16日退出1- IR ............................................................................................................................... 47
15年1月16日暂停IR ............................................................................................................................. 47
16年1月16日退出2 -IR ............................................................................................................................... 47
17年1月16日更新IR ........................................................................................................................... 47
16.2指令寄存器(IR ) ................................................................................................................. 47
16.2.1 EXTEST ................................................................................................................................ 47
16.2.2 SAMPLE / PRELOAD ............................................................................................................. 47
16.2.3 IDCODE ................................................................................................................................ 47
16.2.4 BYPASS ............................................................................................................................... 47
16.3器件ID寄存器( IDR ) ................................................................................................................ 48
边界扫描寄存器( BSR ) ........................................... .................................................. .. 48
应用.................................................................................................................................... 51
18.1变压器规格............................................................................................................. 53
18.2晶体振荡器产品规格..................................................................................................... 53
18.3设计的AT&T 62411 ............................................................................................................. 53
18.4线路保护............................................................................................................................... 53
特性和规范............................................... ...................................... 54
19.1绝对最大额定值............................................................................................................ 54
19.2推荐工作条件.............................................. .............................................. 54
19.3的数字特性..................................................................................................................... 55
19.4变送器模拟特性.............................................. .................................................. 55
19.5接收模拟特性.............................................. .................................................. .... 56
19.6抖动衰减特性..................................................................................................... 57
19.7主时钟开关特性............................................. ............................................ 59
19.8发送开关特性.............................................. .................................................. 59
19.9接收开关特性.............................................. .................................................. 59
19.10开关特性 - 串行端口............................................ ............................................. 61
19.11开关特性 - 并行口(复用模式) ........................................ .............. 62
19.12开关特征 - 并行端口(非复用模式) ..................................... ......... 65
19.13开关特性 - JTAG ............................................. .................................................. .. 68
柔顺的建议和规格.............................................. ............. 69
FBGA封装尺寸.......................................................................................................... 70
LQFP封装尺寸
..................................................................................................... 71
17.
18.
19.
20.
21.
22.
4
DS485PP4
CS61884
图列表
图1. CS61884 144引脚输出....................................................................................................... 7
图2. CS61884 160球FBGA封装引脚输出........................................ ............................................ 8
图3. G.703 BITS时钟模式在NRZ模式...................................... .................................... 23
图4. G.703 BITS时钟模式RZ模式...................................... ....................................... 23
图5. G.703 BITS时钟模式在远端环回...................................... ......................... 23
图6.脉冲面膜在T1 / J1接口........................................ .................................................. 24
图7.脉冲模板的E1接口.......................................... .................................................. 24 ..
图8.模拟环回框图........................................... ......................................... 30
图9.模拟环回与TAOS框图......................................... ....................... 30
图10.数字环回框图........................................... ....................................... 31
图11.数字环回与TAOS ........................................... ............................................. 31
图12.远程环回框图........................................... ...................................... 31
图13.串行读/写格式( SPOL = 0 ) ..................................... ...................................... 33
图14.任意波形UI ............................................ .................................................. .... 43
图15.测试访问端口架构........................................... ............................................. 45
图16. TAP控制器状态图........................................... ............................................ 46
图17.内部RX / TX阻抗匹配......................................... ................................... 51
图18.内部TX , RX外部阻抗匹配........................................ .................... 52
图19.抖动传输特性与G.736 , TBR 12/13 & AT&T 62411 ........................... 58
图20.抖动容限特性与G.823 & AT&T 62411 .................................... ........ 58
图21.恢复时钟和数据开关特性......................................... .......... 60
图22.发送时钟和数据开关特性......................................... ............. 60
图23.信号上升和下降特性.......................................... ..................................... 60
图24.串口读取时序图.......................................... ........................................ 61
图25.串行端口写时序图.......................................... ....................................... 61
图26.并行端口时序 - 写;英特尔复用的地址/数据总线模式................... 63
图27.并行模式端口时序 - 读;英特尔复用的地址/数据总线模式........ 63
图28.并行端口时序 - 写在摩托罗拉复用的地址/数据总线.................. 64
图29.并行端口时序 - 读摩托罗拉复用的地址/数据总线................... 64
图30.并行端口时序 - 写在英特尔非复用的地址/数据总线模式....... 66
图31.并行端口时序 - 阅读英特尔非复用的地址/数据总线模式........ 66
图32.并行端口时序 - 写在摩托罗拉非复用的地址/数据总线模式67
图33.并行端口时序 - 读摩托罗拉非复用的地址/数据总线模式。 67
图34. JTAG开关特性............................................ ........................................ 68
DS485PP4
5
CS61884
八路T1 / E1 / J1线路接口单元
特点
工业标准尺寸
八进制E1 / T1 / J1短程线路接口单元
低功耗
对于无需外部组件的变化
100
/120 /75
手术
脉冲形状可以由用户进行定制
内置AMI , B8ZS或HDB3编码/解码
LOS检测每T1.231 , ITU G.775 , ETSI 300-233
G.772非侵入式监测
G.703 BITS时钟恢复
晶体抖动衰减
串行/并行微处理器控制接口
发射器短路电流限制器( <50毫安)
与快速高阻和掉电TX驱动器
JTAG边界扫描兼容IEEE 1149.1
144引脚LQFP或160引脚BGA封装
订购信息
CS61884-IQ
CS61884-IB
144引脚LQFP
160针FBGA
描述
该CS61884是一个全功能的八进制E1 / T1 / J1短
长途刘,支持1.544 Mbps或2.048 Mbps的
数据传输。每个通道提供无晶体
抖动衰减,符合最严格的
标准。每个通道还提供内部
AMI / B8ZS / HDB3编码/解码。为了支持恩
hanced系统诊断,零频道可
配置为G.772非侵入式监测的任何
其他7通道的接收或传送路径。
CS61884可使超低功率匹配im-
pedance发射器和接收器,以降低功耗
超越传统驱动设计实现。通过
实现更加精确的线路匹配,这种技术也
提供了良好的回波损耗特性。 Additional-
LY ,内部线路匹配电路减少了
外部元件数量。所有变送器都控制
独立的电源关闭和High -Z 。
每个接收器提供了可靠的数据恢复了
12分贝电缆的衰减。该接收机还其纳入
率的LOS检测符合最新的
特定连接的阳离子。
注:点击任
文本
在蓝色去交叉引用。
LOS
RCLK
RPOS
RNEG
TCLK
TPOS
TNEG
LOS
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
接收器
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
时钟
数据
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
恢复
恢复
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
抖动
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
衰减器
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
司机
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
发送
脉冲
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
控制
整形
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
1
0000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000
解码器
编码器
远程回环
模拟环回
数字环回
7
JTAG
串行
PORT
基本产品信息
P.O.箱17847 ,奥斯汀,德克萨斯州78760
( 512 ) 445 7222传真: ( 512 ) 445 7581
http://www.cirrus.com
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000
JTAG接口
主机接口
RTIP
RRING
G.772 MONITOR
TTIP
特林
主持人
串行/并行
PORT
本文档中包含的信息为新的产品。
Cirrus Logic公司保留修改本产品,恕不另行通知。
版权所有Cirrus Logic公司, 2002年公司
(版权所有)
MAY '02
DS485PP4
1
CS61884
目录
1.引脚 - LQFP ........................................................................................................................................ 7
2.引脚 - FBGA ........................................................................................................................................ 8
3.引脚说明................................................................................................................................. 9
3.1电源.................................................................................................................................. 9
3.2控制.............................................................................................................................................. 10
3.3地址输入/环回............................................................................................................... 14
3.4电缆选择..................................................................................................................................... 15
3.5状态............................................................................................................................................... 15
3.6数字接收/发送数据的I / O ....................................................................................................................... 16
3.7模拟RX / TX数据I / O .................................................................................................................... 19
3.8 JTAG测试接口......................................................................................................................... 21
3.9其他................................................................................................................................... 21
4.操作........................................................................................................................................... 22
5. POWER- UP ............................................................................................................................................. 22
6.主时钟.................................................................................................................................... 22
7. G.772监测............................................................................................................................... 22
8.建筑一体化计时系统( BITS )时钟模式....................................... ........... 23
9.变送器....................................................................................................................................... 24
9.1双极模式.................................................................................................................................... 25
9.2单极模式.................................................................................................................................. 25
9.3 RZ模式........................................................................................................................................... 25
9.4发送器掉电/高阻...................................................................................................... 25
9.5发送全1( TAOS ) ................................................................................................................ 25
9.6自动TAOS ............................................................................................................................... 26
9.7驱动程序故障监视器....................................................................................................................... 26
9.8驱动器短路保护.......................................................................................................... 26
10.接收器............................................................................................................................................ 26
10.1双极输出模式...................................................................................................................... 26
10.2单极性输出模式.................................................................................................................... 26
10.3 RZ输出模式............................................................................................................................. 27
10.4接收器掉电/高阻.......................................................................................................... 27
联系Cirrus Logic公司支持
对于直接销售,分销和销售代表接触的完整列表,请访问Cirrus Logic公司网站:
http://www.cirrus.com/corporate/contacts/sales.cfm
重要通知
"Preliminary"产品信息描述了在生产中的产品,但其全面的特征数据尚未公布。 "Advance" Infor公司产品
息描述了正在开发中,受发展变化的产品。 Cirrus Logic公司,公司及其附属公司( "Cirrus" )认为, Infor公司
本文档中包含息是准确可靠的。然而,信息如有变更,恕不另行通知,并提供"AS IS"不保修
任何形式的(明示或暗示) 。建议客户获得相关信息的最新版本进行验证,在下订单之前,这些信息是
仗着是当前和完整。所有产品的销售都遵循销售条款和条件在订单确认时所提供的,包括那些
关于保修,专利侵权,并赔偿责任限制。不承担因卷云的使用这些信息,包括使用本
信息为基础,制造或销售任何物品,或侵犯第三方专利或其他权利的。这份文件是Cirrus的财产
并通过提供这些信息, Cirrus的补助金没有执照,明示或任何专利,口罩工作权,著作权,商标,商业秘密或暗示或
其他知识产权。卷云拥有此处包含的信息的著作权,并给出同意副本进行的信息只
为您的组织中使用相对于Cirrus的集成电路或Cirrus的其他部分。此项同意不扩大到其他复印等复印
一般发行,广告或促销目的,或为创建转售的任何工作。
出口许可证需要从日本政府的主管部门,如果在此马的任何产品或技术的描述,以获得
terial并根据"Foreign外汇和外贸Law"控制是要出口或带出日本。出口许可证和/或配额需要
从中国政府的主管部门,如果获得任何本材料中描述的产品或技术受到中国外交
贸易法,是要出口或取出中华人民共和国。
采用半导体产品的某些应用程序可能会涉及到死亡,人身伤害,或严重的潜在风险
财产或环境破坏( "CRITICAL APPLICATIONS" ) 。 CIRRUS产品并非设计,授权或手令
ED是适合用作生命支持设备或系统或其他关键应用。包裹体CIRRUS产品
在这类应用中被理解为充分地在客户的风险。
Cirrus Logic公司,卷云,而Cirrus Logic公司的标志设计是Cirrus Logic , Inc.的商标。所有其他品牌和产品名称本文档中可能是与贸易
标志或它们各自所有者的服务标志。
2
DS485PP4
CS61884
10.5丢失的信号( LOS ) .......................................................................................................................27
10.6告警指示信号( AIS ) ..........................................................................................................28
抖动衰减器.........................................................................................................................28
业务摘要..................................................................................................................29
12.1环回.......................................................................................................................................29
12.2模拟环回............................................................................................................................29
12.3数字环回..............................................................................................................................30
12.4远端环回...........................................................................................................................30
主机模式..........................................................................................................................................32
13.1软件复位.......................................................................................................................32
13.2串行口工作.......................................................................................................................32
13.3并行端口操作....................................................................................................................33
13.4寄存器集....................................................................................................................................34
注册说明.................................................................................................................35
14.1版本/ IDCODE寄存器( 00H ) ......................................................................................................35
14.2模拟环回寄存器( 01H ) .....................................................................................................35
14.3远端环回寄存器( 02H ) ...................................................................................................35
14.4 TAOS使能寄存器( 03H ) ..........................................................................................................35
14.5 LOS状态寄存器( 04H ) ..............................................................................................................35
14.6 DFM状态寄存器(05h ) .............................................................................................................35
14.7 LOS中断使能寄存器( 06H ) .......................................... .................................................. ... 36
14.8 DFM中断使能寄存器( 07H ) .......................................... .................................................. ..36
14.9 LOS中断状态寄存器( 08H ) .......................................... .................................................. .... 36
14.10 DFM中断状态寄存器( 09H ) .......................................... .................................................. 0.36
14.11软件复位寄存器(0AH ) .....................................................................................................36
14.12性能监视器寄存器( 0Bh的) ........................................... ................................................. 36
14.13数字环回复位寄存器( 0CH ) .......................................... ............................................... 37
14.14 LOS / AIS模式使能寄存器( 0DH ) ........................................ .................................................. 37
14.15自动TAOS寄存器( 0EH ) ...................................................................................................37
14.16全局控制寄存器(0Fh ) .......................................................................................................38
14.17线长度频道ID寄存器( 10H ) ......................................... ................................................ 38
14.18线长度数据寄存器( 11H ) ...................................................................................................39
14.19输出禁用寄存器( 12H ) .......................................................................................................39
14.20 AIS状态寄存器( 13H ) .............................................................................................................39
14.21 AIS中断使能寄存器( 14H) .......................................... .................................................. ..39
14.22 AIS中断状态寄存器( 15H) .......................................... .................................................. ... 40
14.23 AWG广播寄存器( 16H) .....................................................................................................40
14.24 AWG相地址寄存器( 17H) .......................................... .................................................. 40
14.25 AWG相位数据寄存器( 18H) .......................................... .................................................. ...... 40
14.26 AWG使能寄存器( 19H) ..........................................................................................................40
14.27 AWG溢出中断使能寄存器(为1Ah ) ......................................... ................................... 41
14.28 AWG溢出中断状态寄存器( 1BH ) ......................................... .................................... 41
14.29 JA错误中断使能寄存器(代上) ......................................... ............................................. 41
14.30 JA错误中断状态寄存器( 1DH ) ......................................... .............................................. 41
14.31 BITS时钟使能寄存器( 1EH ) .......................................... .................................................. ...... 41
14.32预留寄存器(地址1Fh ) ...............................................................................................................41
14.33状态寄存器............................................................................................................................42
14.33.1中断使能寄存器...................................................................................................42
14.33.2中断状态寄存器....................................................................................................42
任意波形发生器............................................... ............................................. 43
JTAG支持....................................................................................................................................45
16.1 TAP控制器.................................................................................................................................45
16.1.1 JTAG复位...........................................................................................................................45
11.
12.
13.
14.
15.
16.
DS485PP4
3
CS61884
16.1.2测试逻辑复位................................................................................................................... 45
16.1.3运行测试空闲........................................................................................................................ 45
16.1.4选择DR扫描.................................................................................................................... 46
16.1.5捕获-DR ........................................................................................................................... 46
16.1.6移位DR ................................................................................................................................ 46
16.1.7退出1- DR ................................................................................................................................ 46
16.1.8暂停-DR ............................................................................................................................. 46
16.1.9退出2 -DR ................................................................................................................................ 46
16.1.10更新-DR .......................................................................................................................... 46
16.1.11选择IR扫描.................................................................................................................... 47
12年1月16日捕获红外.......................................................................................................................... 47
13年1月16日移位IR ................................................................................................................................ 47
14年1月16日退出1- IR ............................................................................................................................... 47
15年1月16日暂停IR ............................................................................................................................. 47
16年1月16日退出2 -IR ............................................................................................................................... 47
17年1月16日更新IR ........................................................................................................................... 47
16.2指令寄存器(IR ) ................................................................................................................. 47
16.2.1 EXTEST ................................................................................................................................ 47
16.2.2 SAMPLE / PRELOAD ............................................................................................................. 47
16.2.3 IDCODE ................................................................................................................................ 47
16.2.4 BYPASS ............................................................................................................................... 47
16.3器件ID寄存器( IDR ) ................................................................................................................ 48
边界扫描寄存器( BSR ) ........................................... .................................................. .. 48
应用.................................................................................................................................... 51
18.1变压器规格............................................................................................................. 53
18.2晶体振荡器产品规格..................................................................................................... 53
18.3设计的AT&T 62411 ............................................................................................................. 53
18.4线路保护............................................................................................................................... 53
特性和规范............................................... ...................................... 54
19.1绝对最大额定值............................................................................................................ 54
19.2推荐工作条件.............................................. .............................................. 54
19.3的数字特性..................................................................................................................... 55
19.4变送器模拟特性.............................................. .................................................. 55
19.5接收模拟特性.............................................. .................................................. .... 56
19.6抖动衰减特性..................................................................................................... 57
19.7主时钟开关特性............................................. ............................................ 59
19.8发送开关特性.............................................. .................................................. 59
19.9接收开关特性.............................................. .................................................. 59
19.10开关特性 - 串行端口............................................ ............................................. 61
19.11开关特性 - 并行口(复用模式) ........................................ .............. 62
19.12开关特征 - 并行端口(非复用模式) ..................................... ......... 65
19.13开关特性 - JTAG ............................................. .................................................. .. 68
柔顺的建议和规格.............................................. ............. 69
FBGA封装尺寸.......................................................................................................... 70
LQFP封装尺寸
..................................................................................................... 71
17.
18.
19.
20.
21.
22.
4
DS485PP4
CS61884
图列表
图1. CS61884 144引脚输出....................................................................................................... 7
图2. CS61884 160球FBGA封装引脚输出........................................ ............................................ 8
图3. G.703 BITS时钟模式在NRZ模式...................................... .................................... 23
图4. G.703 BITS时钟模式RZ模式...................................... ....................................... 23
图5. G.703 BITS时钟模式在远端环回...................................... ......................... 23
图6.脉冲面膜在T1 / J1接口........................................ .................................................. 24
图7.脉冲模板的E1接口.......................................... .................................................. 24 ..
图8.模拟环回框图........................................... ......................................... 30
图9.模拟环回与TAOS框图......................................... ....................... 30
图10.数字环回框图........................................... ....................................... 31
图11.数字环回与TAOS ........................................... ............................................. 31
图12.远程环回框图........................................... ...................................... 31
图13.串行读/写格式( SPOL = 0 ) ..................................... ...................................... 33
图14.任意波形UI ............................................ .................................................. .... 43
图15.测试访问端口架构........................................... ............................................. 45
图16. TAP控制器状态图........................................... ............................................ 46
图17.内部RX / TX阻抗匹配......................................... ................................... 51
图18.内部TX , RX外部阻抗匹配........................................ .................... 52
图19.抖动传输特性与G.736 , TBR 12/13 & AT&T 62411 ........................... 58
图20.抖动容限特性与G.823 & AT&T 62411 .................................... ........ 58
图21.恢复时钟和数据开关特性......................................... .......... 60
图22.发送时钟和数据开关特性......................................... ............. 60
图23.信号上升和下降特性.......................................... ..................................... 60
图24.串口读取时序图.......................................... ........................................ 61
图25.串行端口写时序图.......................................... ....................................... 61
图26.并行端口时序 - 写;英特尔复用的地址/数据总线模式................... 63
图27.并行模式端口时序 - 读;英特尔复用的地址/数据总线模式........ 63
图28.并行端口时序 - 写在摩托罗拉复用的地址/数据总线.................. 64
图29.并行端口时序 - 读摩托罗拉复用的地址/数据总线................... 64
图30.并行端口时序 - 写在英特尔非复用的地址/数据总线模式....... 66
图31.并行端口时序 - 阅读英特尔非复用的地址/数据总线模式........ 66
图32.并行端口时序 - 写在摩托罗拉非复用的地址/数据总线模式67
图33.并行端口时序 - 读摩托罗拉非复用的地址/数据总线模式。 67
图34. JTAG开关特性............................................ ........................................ 68
DS485PP4
5
CDB61884
八路T1 / E1 / J1线路接口评估板
特点
嵌CS61884八通道线路接口
单位
电源线和接线柱连接器
接口连接
所有运营商提供的组件
E1模式75
,
E1 120
和T1 / J1 100
插座的端接电路容易
检测
连接器IEEE 1149.1 JTAG边界
扫描
LED指示灯的信号( LOS)的损失,并
动力
支持的硬件,串行和并行
主机模式
易于使用的评估软件
板载插槽的参考时钟
振荡器
描述
该CS61884评估板用于demostrate
一个CS61884八通道线路接口单元的功能
无论是E1 75
,
E1 120
,
或T1 / J1 100
应用程序。
该评估板可在任一硬件进行操作
洁具模式或主机模式。在硬件模式下,切换
与床的股份头被用来控制线路CON-
配置和渠道运营的所有八个通道。
在主机模式(串行或并行) ,评价软
器,开关,和床赌注头被用来
控制线的配置和运行模式设定
Tings的每个通道。
在硬件和主机模式下,董事会可
配置为E1 75
,
E1 120
,
或T1 / J1 100
能操作
阿婷模式。在这两种模式接线柱连接器
提供行界面之间轻松连接
该CS61884和任何E1 / T1分析的连接
设备,其可以被用于评估CS61884
装置。床的股份头可以轻松地前往各个
通道的时钟和数据I / O数字接口。
八个LED指示:显示信号( LOS )的损失
硬件和主机中的每个信道条件
模式。一个LED指示器上使用的中断引脚来
表示状态的变化。
订购信息
CS61884 -IQ -40°至85°C
CDB61884
144引脚LQFP
评估板
基本产品信息
P.O.箱17847 ,奥斯汀,德克萨斯州78760
( 512 ) 445 7222传真: ( 512 ) 445 7581
http://www.cirrus.com
本文档中包含的信息为新的产品。
Cirrus Logic公司保留修改本产品,恕不另行通知。
版权所有Cirrus Logic公司, 2002年公司
(版权所有)
MAR '02
DS485DB1
1
CDB61884
目录
1. CDB61884评估板布局............................................ .............................. 4
2.主板组件说明............................................. .................................... 5
2.1电源连接............................................................................................................五
2.2主时钟选择......................................................................................................五
2.3工作模式选择.............................................. .................................................. 6
2.4线路接口连接.............................................. .................................................. 6
2.5 TXOE选择................................................................................................................. 6
2.6时钟边沿选择......................................................................................................... 7
2.7抖动衰减器选择.............................................. .................................................. 7 ..
2.8环回模式选择.............................................. .................................................. 7 ..
2.9线路长度选择........................................................................................................ 7
2.10线路阻抗选择.............................................. .................................................. 8
2.11编码器/摩托罗拉/英特尔选择........................................... .............................................. 8
2.12 G.772监控地址选择........................................... .................................... 8
2.13复用/非复用/ BITS时钟选择........................................ ........................................ 8
2.14数字信号连接.............................................. ................................................. 9
2.15 LOS指标................................................................................................................. 9
2.16 JTAG连接............................................................................................................. 9
2.17主机接口连接.............................................. ................................................. 9
3.主机设置说明............................................. .................................................. 9 ...
4.主机软件界面............................................. ................................................ 9
4.1启动软件....................................................................................................... 10
4.2软件界面按钮.............................................. ................................................. 10
4.2.1位指示灯说明............................................ .......................................... 10
4.3将所有的按钮说明............................................. .................................................. 10
4.3.1清除按钮说明........................................... ..................................... 11
4.3.2写入所有按钮说明........................................... ..................................... 11
4.3.3读取所有按钮说明........................................... ..................................... 11
4.4 Write按钮说明.............................................. .................................................. .. 11
4.5读取按钮说明.............................................. .................................................. .. 11
4.6计划退出功能..................................................................................................... 11
联系Cirrus Logic公司支持
对于直接销售,分销和销售代表接触的完整列表,请访问Cirrus Logic公司网站:
http://www.cirrus.com/corporate/contacts/sales.cfm
重要通知
"Preliminary"产品信息描述了在生产中的产品,但其全面的特征数据尚未公布。 "Advance" Infor公司产品
息描述了正在开发中,受发展变化的产品。 Cirrus Logic公司,公司及其附属公司( "Cirrus" )认为, Infor公司
本文档中包含息是准确可靠的。然而,信息如有变更,恕不另行通知,并提供"AS IS"不保修
任何形式的(明示或暗示) 。建议客户获得相关信息的最新版本进行验证,在下订单之前,这些信息是
仗着是当前和完整。所有产品的销售都遵循销售条款和条件在订单确认时所提供的,包括那些
关于保修,专利侵权,并赔偿责任限制。不承担因卷云的使用这些信息,包括使用本
信息为基础,制造或销售任何物品,或侵犯第三方专利或其他权利的。这份文件是Cirrus的财产
并通过提供这些信息, Cirrus的补助金没有执照,明示或任何专利,口罩工作权,著作权,商标,商业秘密或暗示或
其他知识产权。卷云拥有此处包含的信息的著作权,并给出同意副本进行的信息只
为您的组织中使用相对于Cirrus的集成电路或Cirrus的其他部分。此项同意不扩大到其他复印等复印
一般发行,广告或促销目的,或为创建转售的任何工作。
出口许可证需要从日本政府的主管部门,如果在此马的任何产品或技术的描述,以获得
terial并根据"Foreign外汇和外贸Law"控制是要出口或带出日本。出口许可证和/或配额需要
从中国政府的主管部门,如果获得任何本材料中描述的产品或技术受到中国外交
贸易法,是要出口或取出中华人民共和国。
采用半导体产品的某些应用程序可能会涉及到死亡,人身伤害,或严重的潜在风险
财产或环境破坏( "CRITICAL APPLICATIONS" ) 。 CIRRUS产品并非设计,授权或手令
ED是适合用作生命支持设备或系统或其他关键应用。包裹体CIRRUS产品
在这类应用中被理解为充分地在客户的风险。
Cirrus Logic公司,卷云,而Cirrus Logic公司的标志设计是Cirrus Logic , Inc.的商标。所有其他品牌和产品名称本文档中可能是与贸易
标志或它们各自所有者的服务标志。
2
DS485DB1
CDB61884
5. CS61884配置屏幕............................................. .................................. 12
5.1选择并行端口设置............................................. ............................................. 12
5.2访问和配置读/写寄存器......................................... ................. 12
5.2.1访问配置屏幕............................................ ................................ 12
5.2.2选择寄存器配置........................................... .................................... 12
5.3环回/ BITS时钟屏幕............................................ ............................................... 13
5.4 LOS / AIS / DFM / JA注册屏幕........................................ .......................................... 14
5.5变送器注册屏幕.............................................. .............................................. 15
5.6 AWG注册网..................................................................................................... 16
5.7全局控制寄存器屏幕............................................. .......................................... 17
6.板配置.............................................. .................................................. 18
6.1 E1 75
模式设置....................................................................................................... 18
6.2 E1 120
模式设置..................................................................................................... 19
6.3 T1 / J1 100
模式设置................................................ ................................................ 20
7.评估HINTS ............................................................................................................. 21
图列表
图1. CDB61884电路板布局............................................ .................................................. ... 4
图2.板载逻辑电源选择......................................... ............................................ 5
图3.主时钟选择............................................ .................................................. 5 ....
图4.硬件/主机模式选择.......................................... ............................................. 6
图5.发送使能选择............................................ ............................................... 7
图6.时钟边沿Selection....................................................................................................... 7
图7.抖动衰减器Selection................................................................................................ 7
图8.环回模式Selection................................................................................................ 7
图9.开关S9设置........................................................................................................... 8
图10,数字信号Control/Access......................................................................................... 9
图11. CDB61884软件打开屏幕........................................... .............................. 10
图12.寄存器位盒........................................................................................................... 10
图13.将所有的按钮............................................................................................................... 10
图14.全部清除按钮............................................................................................................ 11
图15.写入所有按钮............................................................................................................ 11
图16.阅读所有按钮............................................................................................................ 11
图17. Write按钮................................................................................................................. 11
图18. Read按钮................................................................................................................. 11
图19.打开屏幕的端口和地址选择屏幕....................................... ...... 12
图20.环回/ G.703 BITS时钟选择屏幕...................................... ....................... 13
图21. LOS / AIS / DFM / JA ERR状态/启用选择屏幕.................................. ........... 14
图22.发送注册屏幕............................................ ............................................ 15
图23. AWG寄存器Screen................................................................................................ 16
图24.全局控制Screen.................................................................................................. 17
表格清单
表1.外部阻抗电阻值........................................... ........................................... 6
表2.保护电阻的选择............................................ .................................................. 6 ...
表3.开关设置为主机模式.......................................... .................................................. 9 ....
表4. E1 75
经营模式开关/跳线位置............................................ ................. 18
表5. E1 120
经营模式开关/跳线位置............................................ ............... 19
表6. T1 / J1 100
经营模式开关/跳线位置............................................ ........... 20
DS485DB1
3
CDB61884
1.
CDB61884评估板布局
图1. CDB61884电路板布局
4
DS485DB1
CDB61884
2.主板组件说明
2.1
电源连接
2.2
主时钟选择
电源评估板由提供
外部+3.3 V直流电源。一个+5 V DC
电源也可以被连接到所述上板
控制逻辑。标记为“ D3 ”的LED将点亮指示灯
当电力被提供给车载CON-内特
控制逻辑。
- 连接+3.3 V直流电源的+ 3V
接线柱和+5 VDC电源
如果+ 5V接线柱5伏的逻辑是必需的
如图跳线J13 -
图2
允许所有的
评估板上的外部逻辑是
连接到任何+3 V或5 V接线柱。
J13
3 V
V 1。·摹IC
5 V
0:N -b少有的一个RD LO克IC C 0 N N权证て
到+ 3 V B在D以g P 2 O S T
J13
3 V
在硬件和主机模式下, MCLK引脚
通过放置一个短块上的一个配置的
床的股份头J1的位置。
科幻gure 3
节目
在J1床股份头部的不同位置。
外部源
外部源
振荡器
振荡器
GND
MCLK
J1
数据恢复模式
外部源
GND
MCLK
J1
板载振荡器
外部源
振荡器
振荡器
GND
MCLK
V 1。·摹IC
5 V
0:N -b少有的一个RD LO克IC C 0 N N权证て
到+ 5 V B在D以g P 2 O S T
GND
MCLK
J1
接收器断电
J1
外部时钟源
图3.主时钟选择
- 一个2.048MHz的时钟振荡器被设置在
评估板用作车载时钟
源都E1模式。
- 1.544 MHz的时钟振荡器还提供
与评估板用作导通
主板时钟源T1 / J1操作
模式。
- 一个BNC连接器(标有J16 )提供
连接外部时钟源。
图2.板载逻辑电源选择
- 测量的仅消耗电流
该CS61884设备,放置一个短块
跳线J13连接电源VLOGIC
供应到+5 V接线柱。这将
从所有的接通隔离CS61884设备
板的逻辑,以允许所述电流测量
在+3 V结合后作出。
DS485DB1
5
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