參數(shù)資料
型號(hào)： XRT75R06DIB
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述： DATACOM, PCM TRANSCEIVER, PBGA217
封裝： 23 X 23 MM, BGA-217
文件頁(yè)數(shù)： 92/105頁(yè)
文件大?。?/td> 591K
代理商： XRT75R06DIB
XRT75R06D
REV. 1.0.0
á
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
87
Using a particular clock edge within the "gapped" clock signal (from the Mapper IC) to sample and latch the
value of each DS3 data-bit that is output from the Mapper IC.
To (through the user of the Jitter Attenuator block) attenuate the jitter within this "DS3 data" and "clock signal"
that is output from the Mapper IC.
To convert this "smoothed" DS3 data and clock into industry-compliant DS3 pulses, and to output these
pulses onto the line.
To configure the LIU to operate in the correct mode for this application, the user must execute the following
configuration steps.
a. Configure the LIU to operate in the DS3 Mode
The user can configure a given channel (within the LIU) to operate in the DS3 Mode, by executing either of the
following steps.
If the LIU has been configured to operate in the Host Mode
The user can accomplish this by setting both Bits 2 (E3_n) and Bits 1 (STS-1/DS3*_n), within each of the
"Channel Control Registers" to "0" as depicted below.
If the LIU has been configured to operate in the Hardware Mode
The user can accomplish this by pulling all of the following input pins "Low".
Pin 76 - E3_0
Pin 94 - E3_1
Pin 85 - E3_2
Pin 72 - STS-1/DS3_0
Pin 98 - STS-1/DS3_1
Pin 81 - STS-1/DS3_2
b. Configure the LIU to operate in the Single-Rail Mode
Since the Mapper IC will typically output a single "Data Line" and a "Clock Line" for each DS3 signal that it
demaps from the incoming STS-N signal, it is imperative to configure each channel within the LIU to operate in
the Single Rail Mode.
The user can accomplish this by executing either of the following steps.
If the LIU has been configured to operate in the Host Mode
The user can accomplish this by setting Bit 0 (SR/DR*), within the each of the "Channel Control" Registers to
1, as illustrated below.
CHANNEL CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X06
CHANNEL 1 ADDRESS LOCATION = 0X0E
CHANNEL 2 ADDRESS LOCATION = 0X16
B
IT
7
B
IT
6
B
IT
5
B
IT
4
B
IT
3
B
IT
2
B
IT
1
B
IT
0
Unused
PRBS Enable
Ch_n
RLB_n
LLB_n
E3_n
STS-1/DS3_n
SR/DR_n
R/O
R/O
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
相關(guān)PDF資料
PDF描述
XRT75R06 SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R06IB SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R12D TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75R06DIB-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 6 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
XRT75R06ES 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 6CH T3/E3/STS1LIU+JA 3.3V W/REDUNDANCY 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
XRT75R06IB 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 6CH E3/DS3/STS1 LIU+Jitter Attenuato 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
XRT75R06IB208 制造商:Exar Corporation 功能描述:Line Interface Unit 51.84Mbps DS3/E3/STS-1 Parallel 217-Pin BGA
XRT75R06IB-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 6 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(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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