參數(shù)資料
型號(hào)： XRT73L04AIV
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
中文描述： DATACOM, PCM TRANSCEIVER, PQFP144
封裝： 20 X 20 MM, 1.40 MM HEIGHT, HEAT SINK, TQFP-144
文件頁(yè)數(shù)： 6/65頁(yè)
文件大?。?/td> 366K
代理商： XRT73L04AIV
XRT73L04A
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 2.0.3
III
Figure 24.The Typical Application for the System Installer ............................................................................. 37
Guidelines for Setting the Receive Equalizer .................................................................................... 37
C
OMMAND
R
EGISTER
CR-2(
N
) ............................................................................................................ 38
3.3 C
LOCK
R
ECOVERY
PLL .................................................................................................................. 39
The Training Mode ............................................................................................................................. 39
The Data/Clock Recovery Mode ........................................................................................................ 39
3.4 T
HE
HDB3/B3ZS D
ECODER
.......................................................................................................... 39
B3ZS Decoding (DS3/STS-1 Applications) ........................................................................................ 39
Figure 25.An Example of B3ZS Decoding ...................................................................................................... 39
HDB3 Decoding (E3 Applications) ..................................................................................................... 39
Figure 26.An Example of HDB3 Decoding ...................................................................................................... 40
Configuring the HDB3/B3ZS Decoder ................................................................................................ 40
C
OMMAND
R
EGISTER
CR3-(
N
) ............................................................................................................ 40
3.5 LOS D
ECLARATION
/C
LEARANCE
..................................................................................................... 40
The LOS Declaration/Clearance Criteria for E3 Applications ............................................................. 40
Figure 27.The Signal Levels that the XRT73L04A declares and clears LOS ................................................. 41
Figure 28.The Behavior of the LOS Output Indicator in response to the Loss of Signal and the Restoration of
Signal ................................................................................................................................................ 42
The LOS Declaration/Clearance Criteria for DS3 and STS-1 Applications ........................................ 42
Table 5:The ALOS (Analog LOS) Declare and Clear Thresholds for a given setting of LOSTHR and REQEN
(DS3 and STS-1 Applications) ........................................................................................................... 42
C
OMMAND
R
EGISTER
CR0-(
N
) ............................................................................................................ 43
C
OMMAND
R
EGISTER
CR2-(
N
) ............................................................................................................ 43
C
OMMAND
R
EGISTER
CR0-(
N
) ............................................................................................................ 43
C
OMMAND
R
EGISTER
CR2-(
N
) ............................................................................................................ 43
Muting the Recovered Data while the LOS is being Declared ........................................................... 43
C
OMMAND
R
EGISTER
CR3-(
N
) ............................................................................................................ 44
3.6 R
OUTING
THE
R
ECOVERED
T
IMING
AND
D
ATA
I
NFORMATION
TO
THE
R
ECEIVING
T
ERMINAL
E
QUIPMENT
.
44
Routing Dual-Rail Format Data to the Receiving Terminal Equipment .............................................. 44
Figure 29.The typical interface for the Transmission of Data in a Dual-Rail Format, from the Receive Section of
the XRT73L04A to the Receiving Terminal Equipment .................................................................... 44
Figure 30.How the XRT73L04A outputs data on the RPOS and RNEG output pins ...................................... 45
Figure 31.The Behavior of the RPOS, RNEG, and RxClk signals when RxClk is inverted ............................. 45
C
OMMAND
R
EGISTER
CR3-(
N
) ............................................................................................................ 46
Routing Single-Rail Format (Binary Data Stream) data to the Receive Terminal Equipment ............ 46
C
OMMAND
R
EGISTER
CR3-(
N
) ............................................................................................................ 46
Figure 32.The typical interface for the Transmission of Data in a Single-Rail Format from the Receive Section
of the XRT73L04A to the Receiving Terminal Equipment ................................................................ 46
Figure 33.The behavior of the RPOS and RxClk output signals while the XRT73L04A is transmitting Single-Rail
data to the Receiving Terminal Equipment ....................................................................................... 47
3.7 S
HUTTING
OFF
THE
R
ECEIVE
S
ECTION
........................................................................................... 47
C
OMMAND
R
EGISTER
CR3-(
N
) ............................................................................................................ 47
4.0 DIAGNOSTIC FEATURES OF THE XRT73L04A .................................................................................... 48
4.1 T
HE
A
NALOG
L
OCAL
L
OOP
-B
ACK
M
ODE
......................................................................................... 48
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XRT73L04BIV 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT73L04BIV-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT73L06 制造商:EXAR 制造商全稱:EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
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