參數(shù)資料
型號(hào): XRT5997IV-F
廠商: Exar Corporation
文件頁(yè)數(shù): 6/37頁(yè)
文件大小: 0K
描述: IC LIU E1 7CH 3.3V 100TQFP
標(biāo)準(zhǔn)包裝: 90
類(lèi)型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 7/7
規(guī)程: E1
電源電壓: 3.14 V ~ 3.47 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-TQFP(14x14)
包裝: 托盤(pán)
XRT5997
14
Rev. 1.0.0
PIN DESCRIPTION (CONT'D)
Pin#
Symbol
Type
Description
85
TxPOS7
I
Transmitter - Positive Data Input – Channel 7:
The exact signal that should be applied to this input pin depends upon
whether the user intends to operate the “Transmit Section” (of Channel 7) 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 TTIP7 and TRing7 output pins. The XRT5997
device will sample this input pin upon the falling edge of the TClk7 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 TTIP7 and TRing7 output pins.
86
TxNEG7
I
Transmitter - Negative Data Input – Channel 7:
87
TxClk7
I
Transmitter Clock Input – Channel 7:
If the user operates Channel 7 (within the XRT5997 device) in the “clocked”
mode, then the “Transmit Section” of the Channel 7 will use the falling edge of
this signal to sample the data at the TxPOS7 and TxNEG7 input pins.
Note: If the user operates the Channel 7 in the “clockless” mode, then the
Terminal Equipment should not apply a clock signal to this input pin.
88
DGND
Digital Ground: Digital Circuitry.
89
TTIP7
O
Transmitter 7 Positive Bipolar Output:
Channel 7 within the XRT5997 device will use this pin, along with TRing7, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
90
TVDD7
Positive Supply: (+3.3V ± 5%), Transmitters 7.
91
TRing7
O
Transmitter 7 Negative Bipolar Output:
Channel 7 within the XRT5997 device will use this pin, along with TTIP7, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
92
TGND7
Digital Ground: Transmitters 7.
93
TRing1
O
Transmitter 1 Negative Bipolar Output:
Channel 1 within the XRT5997 device will use this pin, along with TTIP1, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
94
TVDD1
Positive Supply (+3.3V ± 5%), Transmitters 1.
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