XRT5997 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT5997' PDF : 37 Pages View PDF
XRT5997
PIN DESCRIPTION (CONT'D)
Pin#
Symbol
Type
14
AGND
-
15
TTIP2
O
16
TVDD2
-
17
TRing2
O
18
TGND2
19
TRing3
O
20
TVDD3
21
TTIP3
O
22
TGND3
23
RTIP3
I
24
RRing3
I
25
TxClk3
I
Description
Analog Ground - Receiver 1, 2, 3, 5.
Transmitter 2 Positive Bipolar Output:
Channel 2 within the XRT5997 device will use this pin, along with TRing2,
to transmit a bipolar line signal, via a 1:2 step-up transformer.
Positive Supply - (+3.3V ± 5%), Transmitters 2.
Transmitter 2 Negative Bipolar Output:
Channel 2 within the XRT5997 device will use this pin, along with TTIP2, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
Digital Ground - Transmitters 2.
Transmitter 3 Negative Bipolar Output:
Channel 3 within the XRT5997 device will use this pin, along with TTIP3, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
Positive Supply - (+3.3V ± 5%), Transmitters 3.
Transmitter 3 Positive Bipolar Output:
Channel 3 within the XRT5997 device will use this pin, along with TRing3,
to transmit a bipolar line signal, via a 1:2 step-up transformer.
Digital Ground - Transmitters 3.
Receiver 3 Positive Bipolar Input.
The Receive Section of Channel 4 uses this input pin, along with RRing3
to receive the bipolar line signal from the “Remote E1 Terminal”.
Receiver 3 Negative Bipolar Input.
The Receive Section of Channel 3 uses this input pin, along with RTIP3 to
receive the bipolar line signal from the “Remote E1 Terminal”.
Transmitter Clock Input – Channel 3:
If the user operates Channel 3 (within the XRT5997 device) in the “clocked”
mode, then the “Transmit Section” of the Channel 3 will use the falling edge
of this signal to sample the data at the TxPOS3 and TxNEG3 input pins.
Note: If the user operates the Channel 3 in the “clockless” mode, then the
Terminal Equipment should not apply a clock signal to this input pin.
Rev. 1.0.0
5
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