參數(shù)資料
型號： XRT75R12D
廠商： Exar Corporation
英文描述： TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述： 第十二章通道E3/DS3/STS-1線路接口單元與SONET DESYNCHRONIZER
文件頁數(shù)： 77/131頁
文件大?。?/td> 717K
代理商： XRT75R12D
PRELIMINARY
XRT75R12D
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. P1.0.1
72
3
FL Alarm Declared
R/O
FL (FIFO Limit) Alarm Declared:
This READ-ONLY bit-field indicates whether or not the Jitter Attenuator
block (within Channel_n) is currently declaring the FIFO Limit Alarm.
The Jitter Attenuator block will declare the FIFO Limit Alarm anytime
the Jitter Attenuator FIFO comes within two bit-periods of either over-
flowing or under-running.
Conversely, the Jitter Attenuator block will clear the FIFO Limit Alarm
anytime the Jitter Attenuator FIFO is NO longer within two bit-periods
of either overflowing or under-running.
Typically, this Alarm will only be declared whenever there is a very seri-
ous problem with timing or jitter in the system.
0 - Indicates that the Jitter Attenuator block (within Channel_n) is NOT
currently declaring the FIFO Limit Alarm condition.
1 - Indicates that the Jitter Attenuator block (within Channel_n) is cur-
rently declaring the FIFO Limit Alarm condition.
N
OTE
:
This bit-field is only active if the Jitter Attenuator (within
Channel_n) has been enabled.
2
Receive LOL Con-
dition Declared
R/O
Receive LOL (Loss of Lock) Condition Declared:
This READ-ONLY bit-field indicates whether or not the Receive Sec-
tion (within Channel_n) is currently declaring the LOL (Loss of Lock)
condition.
The Receive Section (of Channel_n) will declare the LOL Condition, if
the frequency of the Recovered Clock signal differs from that of the ref-
erence clock programmed for that channel (from the appropriate oscil-
lator or the SFM clock synthesizer if in that mode) by 0.5% (or
5000ppm) or more .
0 - Indicates that the Receive Section of Channel_n is NOT currently
declaring the LOL Condition.
1 - Indicates that the Receive Section of Channel_n is currently declar-
ing the LOL Condition and the recovered clock differs by more than
0.5%..
B
IT
N
UMBER
N
AME
T
YPE
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT75R12DIB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75R12D_06 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET
XRT75R12D_07 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET
XRT75R12DES 功能描述:時鐘合成器/抖動清除器 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
XRT75R12DIB 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 12CH E3/DS3/STS W/JITTER R3 TECH 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
XRT75R12DIB-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 12 Channel 3.3V-5V temp -45 to 85C 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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