參數(shù)資料
型號(hào)： XRT73L04A
廠商： Exar Corporation
英文描述： 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
中文描述： 4通道DS3/E3/STS-1線路接口單元
文件頁(yè)數(shù)： 60/65頁(yè)
文件大?。?/td> 366K
代理商： XRT73L04A
XRT73L04A
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 2.0.3
56
Bit D4 - Reserved
Bit D3 - Reserved
Bit D2 - ALOSDIS_(n) (Analog LOS Disable -
Channel(n))
This Read/Write bit-field is used to enable or disable
the Channel(n) Analog LOS Detector.
Writing a "0" to this bit-field enables the Analog LOS
Detector. Writing a "1" to this bit-field disables the
Analog LOS Detector.
N
OTE
:
If the Analog LOS Detector is disabled, then the
RLOS input pin is only asserted by the DLOS (Digital LOS
Detector).
Bit D1 - DLOSDIS_(n) (Digital LOS Disable - Chan-
nel(n))
This Read/Write bit-field to used to enable or disable
the Channel(n) Digital LOS Detector .
Writing a "0" to this bit-field enables the Digital LOS
Detector. Writing a "1" to this bit-field disables the
Digital LOS Detector.
N
OTE
:
If the Digital LOS Detector is disabled, then the
RLOS input pin is only asserted by the ALOS (Analog LOS
Detector).
Bit D0 - REQEN_(n) (Receive Equalization Enable
- Channel(n))
This Read/Write bit-field is used to enable or disable
the internal Channel(n) Receive Equalizer.
Writing a "1" to this bit-field enables the Internal
Equalizer. Writing a "0" to this bit-field disables the
Internal Equalizer.
5.2.4
Command Register CR3-(n)
The bit-format and default values for Command Reg-
ister CR3-(n) are listed below followed by the function
of each of these bit fields.
COMMAND REGISTER CR3-(n)
Bit D4 - SR/DR (Single-Rail/Dual-Rail Data Output
- Channel(n))/(B3ZS/HDB3 Encoder/Decoder-Dis-
able - Channel(n))
This Read/Write bit-field is used to configure Chan-
nel(n) to output the received data from the Remote
Terminal in a binary or Dual-Rail format and Enable
or Disable the B3ZS/HDB3 Encoder and Decoder
blocks.
Writing a "1" to this bit-field enables the B3ZS/HDB3
Encoder and Decoder blocks. Writing a "0" to this bit-
field disables the B3ZS/HDB3 Encoder and Decoder
blocks.
N
OTE
:
This Encoder/Decoder performs HDB3 Encoding/
Decoding if the XRT73L04A is operating in the E3 Mode.
Otherwise, it performs B3ZS Encoding/Decoding.
.Writing a "1" to this bit-field also configures Chan-
nel(n) to output data to the Terminal Equipment in a
binary (Single-Rail) format via the RPOS_(n) output
pin, RNEG_(n) is grounded. Writing a "0" to this bit-
field configures Channel(n) to output data to the Ter-
minal Equipment in a Dual-Rail format via both the
RPOS_(n) and RNEG_(n) output pins.
Bit D3 - LOSMUT_(n) (Recovered Data Muting,
during LOS Condition - Channel(n))
This Read/Write bit-field is used to configure Chan-
nel(n) to not output any recovered data from the line
while it is declaring an LOS condition.
Writing a "0" to this bit-field configures the chip to out-
put recovered data even while the XRT73L04A is de-
claring an LOS condition. Writing a "1" to this bit-field
configures the chip to NOT output the recovered data
while an LOS condition is being declared.
N
OTE
:
In this mode, RPOS_(n) and RNEG_(n) is set to "0",
asynchronously.
Bit D2 - RxOFF (Receive Section - Shut OFF Se-
lect)
This Read/Write bit-field is used to shut-off the Re-
ceive Sections. The purpose is to conserve power
consumption when this device is the back-up device
in a Redundancy System.
Writing a "1" into this bit-field shuts off the Receive
Sections. Writing a "0" into this bit-field turns on the
Receive Sections.
Bit D1 - RxClk_(n)INV (Invert RxClk_(n))
This Read/Write bit-field is used to configure the
Channel(n) Receiver to output the recovered data on
either the rising edge or the falling edge of the
RxClk_(n) clock signal.
Writing a "0" to this bit-field configures the Receiver to
output the recovered data on the rising edge of the
RxClk_(n) output signal. Writing a "1" to this bit-field
configures the Receiver to output the recovered data
on the falling edge of the RxClk_(n) output signal.
Bit D0 - Reserved
D4
D3
D2
D1
D0
SR/DR_(n)
LOSMUT_(n)
RxOFF
RxClk_(n)INV
Reserved
0
1
0
0
0
相關(guān)PDF資料
PDF描述
XRT73L04AIV 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04B 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04BIV 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04 4 Channel E3/DS3/STS-1 Line Interface Unit(4通道 E3/DS3/STS-1線接口單元)
XRT73L06 SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT73L04AIV 制造商:EXAR 制造商全稱:EXAR 功能描述:4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04B 制造商:EXAR 制造商全稱:EXAR 功能描述:4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04BES 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
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
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