參數(shù)資料
型號： XRT75R12DIB
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述： DATACOM, PCM TRANSCEIVER, PBGA420
封裝： 35 X 35 MM, TBGA-420
文件頁數(shù)： 75/131頁
文件大?。?/td> 717K
代理商： XRT75R12DIB
PRELIMINARY
XRT75R12D
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. P1.0.1
70
T
ABLE
30: XRT75R12D R
EGISTER
MAP
SHOWING
A
LARM
S
TATUS
R
EGISTERS
(AS_
N
)
T
ABLE
31: A
LARM
S
TATUS
R
EGISTER
- C
HANNEL
N
A
DDRESS
L
OCATION
= 0
XM
3
B
IT
7
B
IT
6
B
IT
5
B
IT
4
B
IT
3
B
IT
2
B
IT
1
B
IT
0
Reserved
Loss of PRBS
Pattern Sync
Digital LOS
Defect
Declared
Analog LOS
Defect
Declared
FL
(FIFO Limit)
Alarm
Declared
Receive LOL
Defect
Declared
Receive LOS
Defect
Declared
Transmit
DMO
Condition
R/O
R/O
R/O
R/O
R/O
R/O
R/O
B
IT
N
UMBER
N
AME
T
YPE
D
ESCRIPTION
7
Reserved
6
Loss of PRBS Pat-
tern Lock
R/O
Loss of PRBS Pattern Lock Indicator:
This READ-ONLY bit-field indicates whether or not the PRBS Receiver
(within the Receive Section of Channel n) is declaring PRBS Lock
within the incoming PRBS pattern.
If the PRBS Receiver detects a very large number of bit-errors within
its incoming data-stream, then it will declare the Loss of PRBS Lock
Condition.
Conversely, if the PRBS Receiver were to detect its pre-determined
PRBS pattern with the incoming DS3, E3 or STS-1 data-stream, (with
little or no bit errors) then the PRBS Receiver will clear the Loss of
PRBS Lock condition.
0 - Indicates that the PRBS Receiver is currently declaring the PRBS
Lock condition within the incoming DS3, E3 or STS-1 data-stream.
1 - Indicates that the PRBS Receiver is currently declaring the Loss of
PRBS Lock condition within the incoming DS3, E3 or STs-1 data-
stream.
N
OTE
:
This register bit is only valid if all of the following are true.
a.
The PRBS Generator block (within the Transmit Section of the
Chip is enabled).
b.
The PRBS Receiver is enabled.
c.
The PRBS Pattern (that is generated by the PRBS Generator) is
somehow looped back into the Receive Path (via the Line-Side)
and in-turn routed to the receive input of the PRBS Receiver.
相關PDF資料
PDF描述
XRT75R12 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R12IB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75VL00 E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75VL00IV E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT79L71 1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
相關代理商/技術參數(shù)
參數(shù)描述
XRT75R12DIB-F 功能描述:網絡控制器與處理器 IC 12 Channel 3.3V-5V temp -45 to 85C RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT75R12DIB-L 功能描述:LIN 收發(fā)器 Synch RoHS:否 制造商:NXP Semiconductors 工作電源電壓: 電源電流: 最大工作溫度: 封裝 / 箱體:SO-8
XRT75R12ES 功能描述:時鐘合成器/抖動清除器 12CH T3/E3/STS1LIUJA 3.3V W/REDUNDANCY RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75R12IB 功能描述:外圍驅動器與原件 - PCI 12CH E3/DS3/STS W/JITTER R3 TECH RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT75R12IB-F 功能描述:外圍驅動器與原件 - PCI 12 Channel 3.3V-5V temp -45 to 85C RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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