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參數(shù)資料
| 型號： | XRT75R06IB |
| 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 JITTER ATTENUATOR |
| 中文描述： | DATACOM, PCM TRANSCEIVER, PBGA217 |
| 封裝： | 23 X 23 MM, BGA-217 |
| 文件頁數(shù)： | 42/63頁 |
| 文件大?。?/td> | 350K |
| 代理商： | XRT75R06IB |
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XRT75R06
REV. 1.0.0
á
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
39
6.0
DIAGNOSTIC FEATURES
6.1
The XRT75R06 contains an on-chip Pseudo Random Binary Sequence (PRBS) generator and detector for
diagnostic purpose. With the PRBSEN_n bit = “1”, the transmitter will send out PRBS of 2
23
-1 in E3 rate or
2
15
-1 in STS-1/DS3 rate. At the same time, the receiver PRBS detector is also enabled. When the correct
PRBS pattern is detected by the receiver, the RNEG/LCV pin will go “Low” to indicate PRBS synchronization
has been achieved. When the PRBS detector is not in sync the PRBSLS bit will be set to “1” and RNEG/LCV
pin will go “High”.
With the PRBS mode enabled, the user can also insert a single bit error by toggling “INSPRBS” bit. This is
done by writing a “1” to INSPRBS bit. The receiver at RNEG/LCV pin will pulse “High” for one RxClk cycle for
every bit error detected. Any subsequent single bit error insertion must be done by first writing a “0” to
INSPRBS bit and followed by a “1”.
Figure 30 shows the status of RNEG/LCV pin when the XRT75R06 is configured in PRBS mode.
PRBS Generator and Detector
N
OTE
:
In PRBS mode, the device is forced to operate in Single-Rail Mode.
F
IGURE
30. PRBS MODE
RxClk
RxNEG/LCV
SYNC LOSS
PRBS SYNC
Single Bit Error
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PDF描述 |
|---|---|
| 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 |
| XRT75R12IB | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75VL00 | E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT75R12 | 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER |
| XRT75R12_07 | 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER |
| XRT75R12_0710 | 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER |
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