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參數(shù)資料
| 型號(hào)： | XRT5997 |
| 廠商： | Exar Corporation |
| 英文描述： | Seven-Channel E1 Line Interface Unit(7通道 E1線接口單元) |
| 中文描述： | 七通道E1線路接口單元（7通道素E1線接口單元） |
| 文件頁數(shù)： | 9/37頁 |
| 文件大小： | 367K |
| 代理商： | XRT5997 |
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XRT5997
9
Rev. 1.0.0
Pin#
Symbol
Type
Description
44
TxNEG5
I
Transmitter - Negative Data Input – Channel 5:
The exact signal that should be applied to this input pin depends upon
whether the user intends to operate the “Transmit Section” (of the Channel 5)
in “Clocked” or “Clockless” Mode.
Clocked Mode:
The Terminal Equipment should apply bit-wide NRZ pulses on this input pin,
whenever the Terminal Equipment needs to transmit a “negative-polarity”
pulse onto the line via TTIP5 and TRing5 output pins. The XRT5997
device will sample this input pin upon the falling edge of the TCLK5 signal.
Clockless Mode:
The Terminal Equipment should apply RZ pulses to this input pin, anytime
theTerminal Equipment needs to transmit a “negative-polarity” pulse onto the
line via TTIP5 and TRing5 output pins.
45
TxPOS5
I
Transmitter - Positive Data Input – Channel 5:
The exact signal that should be applied to this input pin depends upon
whether the user intends to operate the “Transmit Section” (of Channel 5) in
the “Clocked” or “Clockless” Mode.
Clocked Mode:
The Terminal Equipment should apply bit-wide NRZ pulses on this input pin,
whenever the Terminal Equipment needs to transmit a “positive-polarity”
pulse onto the line via TTIP5 and TRing5 output pins. The XRT5997
device will sample this input pin upon the falling edge of the TClk5 signal.
Clockless Mode:
The Terminal Equipment should apply RZ pulses to this input pin, anytime the
Terminal Equipment needs to transmit a “positive-polarity” pulse onto the line
via TTIP5 and TRing5 output pins.
46
RxNEG4
O
Receiver 4 Negative Data Out:
This output pin will pulse “high” whenever Channel 4, within the XRT5997
device has received a “Negative Polarity” pulse, in the incoming line signal,
at the RTIP4/RRing4 inputs.
47
RxPOS4
O
Receiver 4 Positive Data Out:
This output pin will pulse “high” whenever Channel 4, within the XRT5997
device has received a “Positive Polarity” pulse, in the incoming line signal, at
RTIP4/RRing4 inputs.
PIN DESCRIPTION (CONT'D)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT5997ES | 功能描述:其他開發(fā)工具 Eval Board for XRT5997 Series RoHS:否 制造商:Parallax 產(chǎn)品:ELEV-8 Hex Upgrade Kits 類型:Robotics 工具用于評(píng)估:ELEV-8 Quadcopter 工作電源電壓: |
| XRT5997IV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Transceiver |
| XRT5997IV-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3.3V or 5V 7-ch E1 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 |
| XRT5997IVTR-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 7 Ch. E1 LIU 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 |
| XRT59L81IG-F | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 BITS Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
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