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位置:首页 > IC型号导航 > 首字符D型号页 > 首字符D的型号第46页 > DS3104-SE
19-4627 ;第六版; 10/09
DS3104-SE
线卡时钟IC,
支持同步以太网
概述
在DS3104 - SE是一款低成本,功能丰富的定时IC,用于
线路卡同步千兆以太网(GbE ) ,
万兆以太网(10GbE )和快速以太网端口。
ITU-T建议G.8261 (以前G.pactiming )
指定的网络同步,可以进行
在通过同步的位时钟数据包链接
物理层作为目前在SONET / SDH的做
链接。在DS3104 -SE能够同步
在两个发送和接收以太网线卡
方向。
在发送方向上,该设备接受传统
SONET / SDH系统时钟,如19.44MHz从
冗余系统时钟卡和综合
频率锁定xMII时钟速率,如125MHz的
GTX_CLK的千兆以太网GMIIs 。每个以太网PHY则
合成一个发送比特时钟是频率锁定
到xMII时钟,因此系统时钟和
网络时钟。在接收方向,每个PHY
分频器对恢复的比特时钟,以产生所述
接收xMII时钟。在DS3104 -SE接受xMII
从任意多个以太网端口和转发时钟
频率锁定的系统时钟,如19.44MHz ,向
系统时序卡。 SONET / SDH端口也
支持。
特点
时钟卡到线卡路径
从主机和从机时序两个输入时钟
卡( LVDS / LVPECL或CMOS / TTL )
可选帧同步输入和输出
连续输入时钟质量监测
无中断参考切换,自动或手动
缓缴的所有投入损失
可编程PLL带宽为0.1Hz至400Hz
之间的SONET / SDH频率转换
价格和以太网MII / GMII / XGMII价格
截至7路输出时钟: 3 CMOS / TTL ( ≤ 125MHz的) ,
2 LVDS / LVPECL ( ≤ 312.50MHz ) ,和2个双
CMOS / TTL和LVDS / LVPECL
多达8个输入时钟: 4 CMOS / TTL ( ≤ 125MHz的)
4 LVDS / LVPECL / CMOS / TTL ( ≤ 156.25MHz )
无中断参考切换,自动或手动
以太网之间的转换频率
MII / GMII / XGMII和SONET / SDH速率
两个输出时钟,以Master和Slave时间
卡( CMOS / TTL或LVDS / LVPECL )
合适的线卡IC用于Stratum 3 / 3E / 4 , SMC ,
美国证券交易委员会
多种输入时钟频率支持
以太网xMII : 2.5 , 25 , 125 , 156.25MHz
SONET / SDH : 6.48 ,N X 19.44 ,N X 51.84MHz
PDH :N X DS1 ,N X E1 ,N X DS2 , DS3 , E3
帧同步:为2kHz , 4kHz的, 8kHz的
自定义: 2kHz的最高131.072MHz的任何倍数,
最多为8kHz到155.52MHz的倍数
众多的输出时钟频率
支持
以太网xMII : 2.5 , 25 , 125 , 156.25 , 312.5MHz
SONET / SDH : 6.48 ,N X 19.44 ,N X 51.84MHz
PDH :N X DS1 ,N X E1 ,N X DS2 , DS3 , E3
其它: 10 ,10.24 ,13,为30.72MHz
帧同步:为2kHz , 8kHz的
自定义时钟速率: 2kHz的最多的,以任何倍数
77.76MHz ,最高为8kHz到任意多
311.04MHz , 10kHz的向上的至任何多
388.79MHz
内部补偿主时钟
振荡器
SPI 处理器接口
工作在1.8V与2.5V / 3.3V的I / O ( 5V容限)
Maxim Integrated Products版权所有
线路卡时钟卡路径
一般
应用
线卡与同步以太网的任意组合和
SONET / SDH端口的广域网设备,包括
的MSPP ,以太网交换机,路由器, DSLAM设备和
无线基站
部分
DS3104GN
DS3104GN+
温度范围
-40 ° C至+ 85°C
-40 ° C至+ 85°C
PIN- PACKAGE
81 CSBGA ( 10毫米)
2
81 CSBGA ( 10毫米)
2
订购信息
+表示
一个铅(Pb ) - 免费/符合RoHS标准的封装。
SPI是Motorola , Inc.的商标。
1
该器件的一些修订可能偏离称为勘误表公布的规格。的多个版本
任何设备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,请访问:
www.maxim-ic.com/errata 。
对于定价,交付和订购信息,请联系马克西姆直接在1-888-629-4642 ,或
访问Maxim的网站www.maxim-ic.com 。
________________________________________________________________________________________ DS3104 -SE
目录
1.
2.
3.
4.
5.
5.1
5.2
5.3
5.4
5.5
5.6
6.
7.
7.1
7.2
7.3
7.4
7.5
标准符合性..........................................................................................................6
应用实例...............................................................................................................7
框图...........................................................................................................................8
详细说明..............................................................................................................9
详细特征.................................................................................................................11
I
NPUT
C
LOCK
F
EATURES
...............................................................................................................11
T
即时通信
C
ARD TO
L
INE
C
ARD
DPLL F
EATURES
( T0 DPLL ) .............................................. ................ 11
L
INE
C
ARD TO
T
即时通信
C
ARD
DPLL F
EATURES
( T4 DPLL ) .............................................. ................ 11
O
安输出
APLL F
EATURES
.............................................................................................................12
O
安输出
C
LOCK
F
EATURES
............................................................................................................12
G
ENERAL
F
EATURES
.....................................................................................................................12
引脚说明......................................................................................................................13
功能说明.......................................................................................................17
O
概要
....................................................................................................................................17
D
EVICE
I
DENTIFICATION和
P
ROTECTION
.....................................................................................18
L
OCAL
O
SCILLATOR和
M
ASTER
C
LOCK
C
ONFIGURATION
.............................................................18
I
NPUT
C
LOCK
C
ONFIGURATION
......................................................................................................19
信号格式配置................................................................................................................ 19
频率Configuration...................................................................................................................... 20
监测频率.......................................................................................................................... 21
活动监控................................................................................................................................ 21
选择的参考活动监控.............................................. ................................................. 21
优先Configuration............................................................................................................................ 22
自动选择算法............................................................................................................. 22
被迫的选择.................................................................................................................................. 23
超快速切换参考........................................................................................................... 23
外部参考切换Mode.................................................................................................... 24
输出时钟相位连续性在参考切换........................................... ................... 24
T0 DPLL状态机....................................................................................................................... 26
T4 DPLL状态机....................................................................................................................... 29
带宽............................................................................................................................................ 31
减震Factor.................................................................................................................................... 31
相Detectors................................................................................................................................... 31
失锁检测........................................................................................................................ 32
第一阶段扩建................................................................................................................................... 33
输入到输出(手动)相位调整.......................................... .............................................. 33
第一阶段重新校准............................................................................................................................. 33
频率和相位Measurement................................................................................................... 34
输入抖动容限........................................................................................................................... 35
抖动和漂移转移.................................................................................................................. 35
输出抖动和漂移..................................................................................................................... 36
信号格式配置................................................................................................................ 37
频率Configuration...................................................................................................................... 37
采样.............................................................................................................................................. 46
2 136
7.4.1
7.4.2
7.5.1
7.5.2
7.5.3
I
NPUT
C
LOCK
M
ONITORING
............................................................................................................21
7.6
I
NPUT
C
LOCK
P
RIORITY
, S
选举
,
S
魔力
....................................................................22
7.6.1
7.6.2
7.6.3
7.6.4
7.6.5
7.6.6
7.7
DPLL一
体系结构的设计与
C
ONFIGURATION
..................................................................................25
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
7.7.6
7.7.7
7.7.8
7.7.9
7.7.10
7.7.11
7.7.12
7.7.13
7.8
7.9
O
安输出
C
LOCK
C
ONFIGURATION
...................................................................................................37
F
RAME和
M
ULTIFRAME
A
LIGNMENT
............................................................................................45
7.8.1
7.8.2
7.9.1
19-4627 ;第六版; 10/09
________________________________________________________________________________________ DS3104 -SE
7.9.2
7.9.3
7.9.4
7.9.5
7.9.6
7.9.7
重新取样.......................................................................................................................................... 46
合格......................................................................................................................................... 46
输出时钟对齐....................................................................................................................... 46
帧同步Monitor............................................................................................................................. 47
SYNCn销......................................................................................................................................... 47
其他配置选项................................................................................................................ 48
7.10
7.11
7.12
7.13
8.
8.1
8.2
8.3
8.4
9.
9.1
9.2
9.3
9.4
10.
10.1
10.2
10.3
10.4
10.5
10.6
11.
12.
13.
14.
M
ICROPROCESSOR
I
覆盖整个院落
..................................................................................................48
R
ESET
L
逻辑
.............................................................................................................................51
P
OWER
-S
UPPLY
C
ONSIDERATIONS
.............................................................................................51
I
NITIALIZATION
............................................................................................................................51
S
TATUS
B
ITS
.................................................................................................................................52
C
ONFIGURATION
F
IELDS
................................................................................................................52
M
ULTIREGISTER
F
IELDS
.................................................................................................................52
R
EGISTER
D
EFINITIONS
.................................................................................................................53
注册说明.........................................................................................................52
JTAG测试访问端口和边界扫描........................................... .................. 117
JTAG
ESCRIPTION
....................................................................................................................117
JTAG TAP
ONTROLLER
S
TATE
M
ACHINE
D
ESCRIPTION
.............................................................118
我JTAG
NSTRUCTION
R
EGISTER和
I
NSTRUCTIONS
......................................................................120
JTAG牛逼
美东时间
R
EGISTERS
..............................................................................................................121
电气CHARACTERISTICS............................................................................................122
DC
极特
.............................................................................................................122
I
NPUT
C
LOCK
T
即时通信
...............................................................................................................126
O
安输出
C
LOCK
T
即时通信
............................................................................................................126
SPI I
覆盖整个院落
T
即时通信
............................................................................................................127
我JTAG
覆盖整个院落
T
即时通信
.........................................................................................................129
R
ESET
P
IN
T
即时通信
...................................................................................................................130
引脚分配....................................................................................................................131
封装信息.........................................................................................................133
缩略语............................................... .......................................... 134
数据手册版本HISTORY............................................................................................135
19-4627 ;第六版; 10/09
3的136
________________________________________________________________________________________ DS3104 -SE
图列表
图2-1 。典型的应用实例..................................................................................................................... 7
图3-1 。框图........................................................................................................................................... 8
图7-1 。 DPLL框图............................................................................................................................... 25
图7-2 。 T0 DPLL状态转换图......................................................................................................... 27
图7-3 。 T4 DPLL状态转换图.........................................................................................................三十
图7-4 。 FSYNC为8kHz Options.............................................................................................................................. 44
图7-5 。 SPI时钟相位选择........................................................................................................................ 49
图7-6 。 SPI总线Transactions.............................................................................................................................. 50
图9-1 。 JTAG模块Diagram............................................................................................................................. 117
图9-2 。 JTAG TAP控制器状态机............................................. .................................................. ..... 119
图10-1 。建议终止对LVDS引脚............................................. ........................................... 124
图10-2 。在LVDS输入引脚的LVPECL信号,建议终止......................................... ..... 124
图10-3 。推荐用于终止LVPECL兼容输出引脚.......................................... .......... 125
图10-4 。 SPI接口时序图............................................................................................................. 128
图10-5 。 JTAG时序Diagram......................................................................................................................... 129
图10-6 。复位引脚时序图.................................................................................................................. 130
图11-1 。引脚分配Diagram..................................................................................................................... 132
19-4627 ;第六版; 10/09
4 136
________________________________________________________________________________________ DS3104 -SE
表格清单
表1-1 。适用电信Standards................................................................................................................... 6
表6-1 。输入时钟引脚说明.................................................................................................................... 13
表6-2 。输出时钟引脚Descriptions.................................................................................................................. 14
表6-3 。全球引脚说明............................................................................................................................ 15
表6-4 。 SPI总线模式引脚说明............................................................................................................... 15
表6-5 。 JTAG接口引脚说明.............................................................................................................. 16
表6-6 。电源引脚说明................................................................................................................ 16
表7-1 。输入时钟功能............................................................................................................................ 19
表7-2 。锁定频率模式....................................................................................................................... 20
表7-3 。默认的输入时钟优先级.................................................................................................................... 22
表7-4 。阻尼因素和峰值抖动/漂移增益.......................................... ............................................. 31
表7-5 。 T0 DPLL适应的T4 DPLL相位测量模式........................................ .................. 35
表7-6 。输出时钟功能......................................................................................................................... 37
表7-7 。 Digital1 Frequencies................................................................................................................................. 39
表7-8 。 Digital2 Frequencies................................................................................................................................. 39
表7-9 。 APLL频率为输出频率( APLL T0和T4 APLL ) ...................................... .................... 40
表7-10 。 T0 APLL频率配置......................................................................................................... 40
表7-11 。 T0 APLL2频率配置....................................................................................................... 40
表7-12 。 T4 APLL频率配置......................................................................................................... 41
表7-13 。 OC1到OC7输出频率选择............................................ .................................................. 41
表7-14 。标准频率可编程输出............................................. ................................... 42
表7-15 。外部帧同步模式和源........................................... .................................................. ... 46
表7-16 。外部帧同步源................................................................................................................. 47
表8-1 。寄存器映射............................................................................................................................................ 53
表9-1 。 JTAG指令代码......................................................................................................................... 120
表9-2 。 JTAG ID码........................................................................................................................................ 121
表10-1 。建议的直流工作条件.............................................. .............................................. 122
表10-2 。 DC Characteristics................................................................................................................................ 122
表10-3 。 CMOS / TTL引脚................................................................................................................................... 123
表10-4 。 LVDS / LVPECL输入引脚.................................................................................................................... 123
表10-5 。 LVDS输出引脚................................................................................................................................ 123
表10-6 。 LVPECL电平兼容输出引脚............................................ .................................................. 。 124
表10-7 。输入时钟Timing................................................................................................................................ 126
表10-8 。输入时钟输出时钟延时....................................................................................................... 126
表10-9 。输出时钟相位对齐,帧同步调整模式........................................ .................... 126
表10-10 。 SPI接口时序........................................................................................................................... 127
表10-11 。 JTAG接口Timing........................................................................................................................ 129
表10-12 。复位引脚时序................................................................................................................................ 130
表11-1 。引脚分配排序由信号名称............................................ ................................................. 131
表12-1 。 CSBGA封装热性能,自然对流........................................... ...................... 133
19-4627 ;第六版; 10/09
5 136
启: 072407
DS3104-SE
线卡时钟IC,
支持同步以太网
概述
在DS3104 - SE是一款低成本,功能丰富的定时IC,用于
线路卡同步千兆以太网(GbE ) ,
万兆以太网(10GbE )和快速以太网端口。
ITU-T建议G.8261 (以前G.pactiming )
指定的网络同步,可以进行
在通过同步的位时钟数据包链接
物理层作为目前在SONET / SDH的做
链接。在DS3104 -SE能够同步
在两个发送和接收以太网线卡
方向。
在发送方向上,该设备接受传统
SONET / SDH系统时钟,如19.44MHz从
冗余系统时钟卡和综合
频率锁定xMII时钟速率,如125MHz的
GTX_CLK的千兆以太网GMIIs 。每个以太网PHY则
合成一个发送比特时钟是频率锁定
到xMII时钟,因此系统时钟和
网络时钟。在接收方向,每个PHY
分频器对恢复的比特时钟,以产生所述
接收xMII时钟。在DS3104 -SE接受xMII
从任意多个以太网端口和转发时钟
频率锁定的系统时钟,如19.44MHz ,向
系统时序卡。 SONET / SDH端口也
支持。
特点
时钟卡到线卡路径
从主机和从机时序两个输入时钟
卡( LVDS / LVPECL或CMOS / TTL )
可选帧同步输入和输出
连续输入时钟质量监测
无中断参考切换,自动或手动
缓缴的所有投入损失
可编程PLL带宽为0.1Hz至400Hz
之间的SONET / SDH频率转换
价格和以太网MII / GMII / XGMII价格
截至7路输出时钟: 3 CMOS / TTL ( ≤ 125MHz的) ,
2 LVDS / LVPECL ( ≤ 312.50MHz ) ,和2个双
CMOS / TTL和LVDS / LVPECL
多达8个输入时钟: 4 CMOS / TTL ( ≤ 125MHz的)
4 LVDS / LVPECL / CMOS / TTL ( ≤ 156.25MHz )
无中断参考切换,自动或手动
以太网之间的转换频率
MII / GMII / XGMII和SONET / SDH速率
两个输出时钟,以Master和Slave时间
卡( CMOS / TTL或LVDS / LVPECL )
合适的线卡IC用于Stratum 3 / 3E / 4 , SMC ,
美国证券交易委员会
多种输入时钟频率支持
以太网xMII : 2.5 , 25 , 125 , 156.25MHz
SONET / SDH : 6.48 ,N X 19.44 ,N X 51.84MHz
PDH :N X DS1 ,N X E1 ,N X DS2 , DS3 , E3
帧同步:为2kHz , 4kHz的, 8kHz的
自定义: 2kHz的最高131.072MHz的任何倍数,
最多为8kHz到155.52MHz的倍数
众多的输出时钟频率
支持
以太网xMII : 2.5 , 25 , 125 , 156.25 , 312.5MHz
SONET / SDH : 6.48 ,N X 19.44 ,N X 51.84MHz
PDH :N X DS1 ,N X E1 ,N X DS2 , DS3 , E3
其它: 10 ,10.24 ,13,为30.72MHz
帧同步:为2kHz , 8kHz的
自定义时钟速率: 2kHz的最多的,以任何倍数
77.76MHz ,最高为8kHz到任意多
311.04MHz
内部补偿主时钟
振荡器
SPI 处理器接口
工作在1.8V与2.5V / 3.3V的I / O ( 5V容限)
线路卡时钟卡路径
一般
应用
线卡与同步以太网的任意组合和
SONET / SDH端口的广域网设备,包括
的MSPP ,以太网交换机,路由器, DSLAM设备和
无线基站
订购信息
部分
DS3104GN
DS3104GN+
温度范围
-40 ° C至+ 85°C
-40 ° C至+ 85°C
PIN- PACKAGE
81 CSBGA ( 10毫米)
2
81 CSBGA ( 10毫米)
2
+表示
无铅/符合RoHS标准的封装。
________________________________________________________
Maxim Integrated Products版权所有
1
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。为
了解产品勘误表的信息,请访问:
www.maxim-ic.com/errata 。
对于定价,交付和订购
信息,请联系马克西姆直接在1-888-629-4642 ,或访问Maxim的网站www.maxim-ic.com 。
________________________________________________________________________________________ DS3104 -SE
目录
1.
2.
3.
4.
5.
5.1
5.2
5.3
5.4
5.5
5.6
6.
7.
7.1
7.2
7.3
7.4
7.5
标准符合性..........................................................................................................6
应用实例...............................................................................................................7
框图...........................................................................................................................8
详细说明..............................................................................................................9
详细特征.................................................................................................................11
I
NPUT
C
LOCK
F
EATURES
...............................................................................................................11
T
即时通信
C
ARD TO
L
INE
C
ARD
DPLL F
EATURES
( T0 DPLL ) .............................................. ................ 11
L
INE
C
ARD TO
T
即时通信
C
ARD
DPLL F
EATURES
( T4 DPLL ) .............................................. ................ 11
O
安输出
APLL F
EATURES
.............................................................................................................12
O
安输出
C
LOCK
F
EATURES
............................................................................................................12
G
ENERAL
F
EATURES
.....................................................................................................................12
引脚说明......................................................................................................................13
功能说明.......................................................................................................17
O
概要
....................................................................................................................................17
D
EVICE
I
DENTIFICATION和
P
ROTECTION
.....................................................................................18
L
OCAL
O
SCILLATOR和
M
ASTER
C
LOCK
C
ONFIGURATION
.............................................................18
I
NPUT
C
LOCK
C
ONFIGURATION
......................................................................................................19
信号格式配置................................................................................................................ 19
频率Configuration...................................................................................................................... 20
监测频率.......................................................................................................................... 21
活动监控................................................................................................................................ 21
选择的参考活动监控.............................................. ................................................. 21
优先Configuration............................................................................................................................ 22
自动选择算法............................................................................................................. 22
被迫的选择.................................................................................................................................. 23
超快速切换参考........................................................................................................... 23
外部参考切换Mode.................................................................................................... 24
输出时钟相位连续性在参考切换........................................... ................... 24
T0 DPLL状态机....................................................................................................................... 26
T4 DPLL状态机....................................................................................................................... 29
带宽............................................................................................................................................ 31
减震Factor.................................................................................................................................... 31
相Detectors................................................................................................................................... 31
锁相检测的损失............................................................................................................. 32
第一阶段扩建................................................................................................................................... 33
输入到输出(手动)相位调整.......................................... .............................................. 33
第一阶段重新校准............................................................................................................................. 33
频率和相位Measurement................................................................................................... 34
输入抖动容限........................................................................................................................... 35
抖动和漂移转移.................................................................................................................. 35
输出抖动和漂移..................................................................................................................... 36
信号格式配置................................................................................................................ 37
频率Configuration...................................................................................................................... 37
采样.............................................................................................................................................. 45
2
7.4.1
7.4.2
7.5.1
7.5.2
7.5.3
I
NPUT
C
LOCK
M
ONITORING
............................................................................................................21
7.6
I
NPUT
C
LOCK
P
RIORITY
, S
选举及
S
魔力
.....................................................................22
7.6.1
7.6.2
7.6.3
7.6.4
7.6.5
7.6.6
7.7
DPLL一
体系结构的设计与
C
ONFIGURATION
..................................................................................25
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
7.7.6
7.7.7
7.7.8
7.7.9
7.7.10
7.7.11
7.7.12
7.7.13
7.8
7.9
O
安输出
C
LOCK
C
ONFIGURATION
...................................................................................................37
F
RAME和
M
ULTIFRAME
A
LIGNMENT
............................................................................................45
7.8.1
7.8.2
7.9.1
________________________________________________________________________________________ DS3104 -SE
7.9.2
7.9.3
7.9.4
7.9.5
7.9.6
7.9.7
7.9.8
重新取样.......................................................................................................................................... 45
启用.................................................................................................................................................. 45
合格......................................................................................................................................... 46
输出时钟对齐....................................................................................................................... 46
帧同步Monitor............................................................................................................................. 46
SYNCn销......................................................................................................................................... 46
其他配置选项................................................................................................................ 47
7.10
7.11
7.12
7.13
8.
8.1
8.2
8.3
8.4
9.
9.1
9.2
9.3
9.4
10.
10.1
10.2
10.3
10.4
10.5
10.6
11.
12.
13.
14.
15.
M
ICROPROCESSOR
I
覆盖整个院落
..................................................................................................47
R
ESET
L
逻辑
.............................................................................................................................51
P
OWER
-S
UPPLY
C
ONSIDERATIONS
.............................................................................................51
I
NITIALIZATION
............................................................................................................................51
S
TATUS
B
ITS
.................................................................................................................................52
C
ONFIGURATION
F
IELDS
................................................................................................................52
M
ULTIREGISTER
F
IELDS
.................................................................................................................52
R
EGISTER
D
EFINITIONS
.................................................................................................................53
注册说明.........................................................................................................52
JTAG测试访问端口和边界扫描........................................... .................. 116
JTAG
ESCRIPTION
....................................................................................................................116
JTAG TAP
ONTROLLER
S
TATE
M
ACHINE
D
ESCRIPTION
.............................................................117
我JTAG
NSTRUCTION
R
EGISTER和
I
NSTRUCTIONS
......................................................................119
JTAG牛逼
美东时间
R
EGISTERS
..............................................................................................................120
电气CHARACTERISTICS............................................................................................121
DC
极特
.............................................................................................................121
I
NPUT
C
LOCK
T
即时通信
...............................................................................................................125
O
安输出
C
LOCK
T
即时通信
............................................................................................................125
SPI I
覆盖整个院落
T
即时通信
............................................................................................................126
我JTAG
覆盖整个院落
T
即时通信
.........................................................................................................128
R
ESET
P
IN
T
即时通信
...................................................................................................................129
引脚分配....................................................................................................................130
封装信息.........................................................................................................132
缩略语............................................... .......................................... 133
商标声明................................................ .................................... 134
数据手册版本HISTORY............................................................................................135
3
________________________________________________________________________________________ DS3104 -SE
图列表
图2-1 。典型的应用实例..................................................................................................................... 7
图3-1 。 DS3104 -SE功能框图............................................................................................................... 8
图7-1 。 DPLL框图............................................................................................................................... 25
图7-2 。 T0 DPLL状态转换图......................................................................................................... 27
图7-3 。 T4 DPLL状态转换图.........................................................................................................三十
图7-4 。 FSYNC为8kHz Options.............................................................................................................................. 44
图7-5 。 SPI时钟相位选择........................................................................................................................ 49
图7-6 。 SPI总线Transactions.............................................................................................................................. 50
图9-1 。 JTAG模块Diagram............................................................................................................................. 116
图9-2 。 JTAG TAP控制器状态机............................................. .................................................. ..... 118
图10-1 。建议终止对LVDS引脚............................................. ........................................... 123
图10-2 。在LVDS输入引脚的LVPECL信号,建议终止......................................... ..... 123
图10-3 。推荐用于终止LVPECL兼容输出引脚.......................................... .......... 124
图10-4 。 SPI接口时序图............................................................................................................. 127
图10-5 。 JTAG时序Diagram......................................................................................................................... 128
图10-6 。复位引脚时序图.................................................................................................................. 129
图11-1 。引脚分配Diagram..................................................................................................................... 131
4
________________________________________________________________________________________ DS3104 -SE
表格清单
表1-1 。适用电信Standards................................................................................................................... 6
表6-1 。输入时钟引脚说明.................................................................................................................... 13
表6-2 。输出时钟引脚Descriptions.................................................................................................................. 14
表6-3 。全球引脚说明............................................................................................................................ 15
表6-4 。 SPI总线模式引脚说明............................................................................................................... 15
表6-5 。 JTAG接口引脚说明.............................................................................................................. 16
表6-6 。电源引脚说明................................................................................................................ 16
表7-1 。输入时钟功能............................................................................................................................ 19
表7-2 。锁定频率模式....................................................................................................................... 20
表7-3 。默认的输入时钟优先级.................................................................................................................... 22
表7-4 。阻尼因素和峰值抖动/漂移增益.......................................... ............................................. 31
表7-5 。 T0 DPLL适应的T4 DPLL相位测量模式........................................ .................. 35
表7-6 。输出时钟功能......................................................................................................................... 37
表7-7 。 Digital1 Frequencies................................................................................................................................. 39
表7-8 。 Digital2 Frequencies................................................................................................................................. 39
表7-9 。 APLL频率为输出频率( APLL T0和T4 APLL ) ...................................... .................... 40
表7-10 。 T0 APLL频率配置......................................................................................................... 40
表7-11 。 T0 APLL2频率配置....................................................................................................... 40
表7-12 。 T4 APLL频率配置......................................................................................................... 41
表7-13 。 OC1 - OC7输出频率选择............................................ .................................................. ... 41
表7-14 。标准频率可编程输出............................................. ................................... 42
表7-15 。外部帧同步源................................................................................................................. 47
表8-1 。寄存器映射............................................................................................................................................ 53
表9-1 。 JTAG指令代码......................................................................................................................... 119
表9-2 。 JTAG ID码........................................................................................................................................ 120
表10-1 。建议的直流工作条件.............................................. .............................................. 121
表10-2 。 DC Characteristics................................................................................................................................ 121
表10-3 。 CMOS / TTL引脚................................................................................................................................... 122
表10-4 。 LVDS / LVPECL输入引脚.................................................................................................................... 122
表10-5 。 LVDS输出引脚................................................................................................................................ 122
表10-6 。 LVPECL电平兼容输出引脚............................................ .................................................. 。 123
表10-7 。输入时钟Timing................................................................................................................................ 125
表10-8 。输入时钟输出时钟延时....................................................................................................... 125
表10-9 。输出时钟相位对齐,帧同步对齐方式......................................... ................... 125
表10-10 。 SPI接口时序........................................................................................................................... 126
表10-11 。 JTAG接口Timing........................................................................................................................ 128
表10-12 。复位引脚时序................................................................................................................................ 129
表11-1 。引脚分配排序由信号名称............................................ ................................................. 130
表12-1 。 CSBGA封装热性能,自然对流........................................... ...................... 132
5
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