參數(shù)資料
型號(hào)： XRT73L02
廠商： Exar Corporation
英文描述： 2 Channel E3/DS3/STS-1 Line Interface Unit(2通道 E3/DS3/STS-1線接口單元)
中文描述： 2頻道E3/DS3/STS-1線路接口單元（2通道E3/DS3/STS-1線接口單元）
文件頁(yè)數(shù)： 45/62頁(yè)
文件大小： 716K
代理商： XRT73L02
á
XRT73L02
2 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
PRELIMINARY
REV. P1.1.0
41
The MUTing upon LOS feature for each Channel can
be enabled by writing a "1" into the LOSMUT_(n) bit-
field in Command Register 3.
N
OTES
:
1. This step only enables the MUTing upon LOS fea-
ture in Channel (n).
2. Each channel (n) automatically declares an LOS
(Loss of Signal) condition anytime it has been conf-
gured to operate in either the Analog Local Loop-
Back or Digital Local Loop-Back modes. To config-
ure the chip to operate in either of these modes,
disable the MUTing-upon-LOS feature.
R
OUTING
THE
R
ECOVERED
T
IMING
AND
D
ATA
I
NFORMATION
TO
THE
R
ECEIVING
T
ERMINAL
E
QUIPMENT
3.7
Each channel in the XRT73L02 takes the Recovered
Timing and Data information, converts it into CMOS
levels and routes it to the Receiving Terminal Equip-
ment via the RPOS_(n), RNEG_(n) and RxClk_(n)
output pins.
Each channel of the XRT73L02 can deliver the recov-
ered data and clock information to the Receiving Ter-
minal in either a Single-Rail or Dual-Rail format.
3.7.1
Routing Dual-Rail Format Data to the
Receiving Terminal Equipment
Whenever a channel of the XRT73L02 delivers Dual-
Rail format to the Terminal Equipment, it does so via
the following signals:
RPOS_(n)
RNEG_(n)
RxClk_(n)
Figure 22 illustrates the typical interface for the trans-
mission of data in a Dual-Rail Format from the Re-
ceive Section of a channel to the Receiving Terminal
Equipment
.
The manner that a given channel transmits Dual-Rail
data to the Receiving Terminal Equipment is de-
scribed below and illustrated in Figure 23. Each
Channel (n) of the XRT73L02 typically updates the
data on the RPOS_(n) and RNEG_(n) output pins on
the rising edge of RxClk_(n).
COMMAND REGISTER CR3-(N)
D4
D3
D2
D1
D0
SR/(DR)_(n)
LOSMUT_(n)
RxOFF_(n)
RxClk_(n)INV
Reserved
X
1
X
X
X
F
IGURE
22. T
HE
TYPICAL
INTERFACE
FOR
THE
T
RANSMISSION
OF
D
ATA
IN
A
D
UAL
-R
AIL
F
ORMAT
FROM
THE
R
ECEIVE
S
ECTION
OF
THE
XRT73L02
TO
THE
R
ECEIVING
T
ERMINAL
E
QUIPMENT
(E3/DS3 or STS-1
Framer)
Terminal
Equipment
(E3/DS3 or STS-1
Exar E3/DS3/STS-1 LIU
Block
Receive
Logic
Block
RxPOS
RxNEG
RxClk
RPOS
RNEG
RxClk
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT73L02M 制造商:EXAR 制造商全稱:EXAR 功能描述:TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73L02MES 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
XRT73L02MIV 制造商:EXAR 制造商全稱:EXAR 功能描述:TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73L02MIV-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
XRT73L02MIVTR-F 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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