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| 型號： | DS2151QNB |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Digital Transmission Controller |
| 英文描述： | DATACOM, FRAMER, PQCC44 |
| 封裝： | 0.652 INCH, PLASTIC, LCC-44 |
| 文件頁數(shù)： | 22/62頁 |
| 文件大?。?/td> | 921K |
| 代理商： | DS2151QNB |
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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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2151QB | DATACOM, FRAMER, PQCC44 |
| DS2152LN | DATACOM, FRAMER, PQFP100 |
| DS2152L | DATACOM, FRAMER, PQFP100 |
| DS2153Q | DATACOM, FRAMER, PQCC44 |
| DS2154L | DATACOM, FRAMER, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2151QNB/T&R | 制造商:Maxim Integrated Products 功能描述:T1 SINGLE CHIP XCVR REV B IND - Tape and Reel |
| DS2151QNB/T&R | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS2151QNB+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS2151QNB+T&R | 制造商:Maxim Integrated Products 功能描述:FRAMER DS1/E1/ISDN-PRI/T1 5V 44PLCC - Tape and Reel |
| DS2151QNB+T&R | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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