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| 型号： | DS2151QB |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 22/60页 |
| 文件大小： | 0K |
| 描述： | IC TXRX T1 1-CHIP 5V LP 44-PLCC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 26 |
| 功能： | 单芯片收发器 |
| 接口： | T1 |
| 电路数： | 1 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 电流 - 电源： | 65mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-LCC（J 形引线） |
| 供应商设备封装： | 44-PLCC（16.59x16.59） |
| 包装： | 管件 |
| 包括： | 警报检测器和发生器，CSU 回路代码发生器和检测器，DSX-1和CSU 线路补偿发生器 |
| 产品目录页面： | 1429 (CN2011-ZH PDF) |
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DS2151Q
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6.3 Multiframes Out of Sync Count Register (MOSCR)
Normally the MOSCR is used to count the number of multiframes that the receive synchronizer is out of
sync (RCR2.0 = 1). This number is useful in ESF applications needing to measure the parameters Loss Of
Frame Count (LOFC) and ESF Error Events as described in AT&T publication TR54016. When the
MOSCR is operated in this mode, it is not disabled during receive loss of synchronization (RLOS = 1)
conditions. The MOSCR has alternate operating mode whereby it will count either errors in the Ft
framing pattern (in the D4 mode) or errors in the FPS framing pattern (in the ESF mode). When the
MOSCR is operated in this mode, it is disabled during receive loss of synchronization (RLOS = 1)
conditions. See Table 6-3 for a detailed description of what the MOSCR is capable of counting.
MOSCR1: MULTIFRAMES OUT OF SYNC COUNT REGISTER 1 (Address = 25
Hex)
MOSCR2: MULTIFRAMES OUT OF SYNC COUNT REGISTER 2 (Address = 27
Hex)
(MSB)
(LSB)
MOS/FB11
MOS/FB10
MOS/FB9
MOS/FB8
(Note 1)
MOSCR1
MOS/FB7
MOS/FB6
MOS/FB5
MOS/FB4
MOS/FB3
MOS/FB2
MOS/FB1
MOS/FB0
MOSCR2
SYMBOL
POSITION
NAME AND DESCRIPTION
MOS/FB11
MOSCR1.7
MSB of the 12-Bit Multiframes Out of Sync or F-Bit
Error Count (Note 2)
MOS/FB0
MOSCR2.0
LSB of the 12-Bit Multiframes Out of Sync or F-Bit Error
Count (Note 2)
Note 1: The lower nibble of the counter at address 25 is used by the Path Code Violation Count Register.
Note 2: MOSCR counts either errors in framing bit position (RCR2.0 = 0) or the number of multiframes out of sync (RCR2.0 = 1).
Table 6-3. Multiframes Out of Sync Counting Arrangements
FRAMING MODE
(CCR2.3)
COUNT MOS OR F-BIT
ERRORS? (RCR2.0)
WHAT IS COUNTED
IN THE MOSCRs
D4
MOS
Number of multiframes out of sync
D4
F-Bit
Errors in the Ft pattern
ESF
MOS
Number of multiframes out of sync
ESF
F-Bit
Errors in the FPS pattern
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2151QB/T&R | 制造商:Maxim Integrated Products 功能描述:T1 SINGLE CHIP XCVR REV B T&R - Tape and Reel |
| DS2151QB/T&R+ | 制造商:Maxim Integrated Products 功能描述:FRAMER DS1/E1/ISDN-PRI/T1 5V 44PLCC - Tape and Reel |
| DS2151QB/T&R | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS2151QB+ | 功能描述:网络控制器与处理器 IC T1 Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS2151QB+T&R | 制造商:Maxim Integrated Products 功能描述:FRAMER DS1/E1/ISDN-PRI/T1 5V 44PLCC - Tape and Reel |
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