參數(shù)資料
型號： XRT75R12IB
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 JITTER ATTENUATOR
中文描述： DATACOM, PCM TRANSCEIVER, PBGA420
封裝： 35 X 35 MM, TBGA-420
文件頁數(shù)： 80/89頁
文件大?。?/td> 457K
代理商： XRT75R12IB
XRT75R12
REV. P1.0.2
PRELIMINARY
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
77
2
LOSMUT Enable
R/W
Muting upon LOS Enable - Channel_n:
This READ/WRITE bit-field is used to configure the Receive Section
(within Channel_n) to automatically pull their corresponding Recovered
Data Output pins (e.g., RxPOS_n and RxNEG_n) to GND for the dura-
tion that the Receive Section declares the LOS defect condition. In
other words, this feature (if enabled) will cause the Receive Channel to
automatically mute the Recovered data anytime the Receive Section
declares the LOS defect condition.
0 - Disables the Muting upon LOS feature. In this setting the Receive
Section will NOT automatically mute the Recovered Data whenever it
is declaring the LOS defect condition.
1 - Enables the Muting upon LOS feature. In this setting the Receive
Section will automatically mute the Recovered Data whenever it is
declaring the LOS defect condition.
1
Receive Monitor
Mode Enable
R/W
Receive Monitor Mode Enable - Channel_n:
This READ/WRITE bit-field is used to configure the Receive Section of
Channel_n to operate in the Receive Monitor Mode.
If the user configures the Receive Section to operate in the Receive
Monitor Mode, then it will be able to receive a nominal DSX-3/STSX-1
signal that has been attenuator by 20dB of flat loss along with 6dB of
cable loss, in an error-free manner, and without declaring the LOS
defect condition.
0 - Configures the corresponding channel to operate in the Normal
Mode.
1 - Configure the corresponding channel to operate in the Receive
Monitor Mode.
0
Receive Equalizer
Enable
R/W
Receive Equalizer Enable - Channel_n:
This READ/WRITE register bit is used to enable or disable the Receive
Equalizer block within the Receive Section of Channel_n, as listed
below.
0 - Disables the Receive Equalizer within the corresponding channel.
1 - Enables the Receive Equalizer within the corresponding channel.
N
OTE
:
For virtually all applications, we recommend that the user set
this bit-field to "1" (for all channels) and enable the Receive
Equalizer.
T
ABLE
36: XRT75R12 R
EGISTER
MAP
SHOWING
C
HANNEL
C
ONTROL
R
EGISTERS
(CC_
N
)
T
ABLE
37: C
HANNEL
C
ONTROL
R
EGISTER
- C
HANNEL
N
A
DDRESS
L
OCATION
= 0
XM
6
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
PRBS Enable
Ch_n
RLB_n
LLB_n
E3_n
STS-1/DS3_n
SR/DR_n
R/W
R/W
R/W
R/W
R/W
R/W
B
IT
N
UMBER
N
AME
T
YPE
D
ESCRIPTION
相關PDF資料
PDF描述
XRT75VL00 E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
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相關代理商/技術參數(shù)
參數(shù)描述
XRT75R12IB-F 功能描述:外圍驅(qū)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
XRT75R12IB-L 功能描述:LIN 收發(fā)器 Attenuator 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
XRT75VL00 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75VL00_08 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75VL00D 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
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