XRT73L03 Datasheet, PDF (17/62 Pages) Exar Corporation – 3 CHANNEL E3/DS3/STS-1 LINE INTERFCE UNIT

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PRELIMINARY
PIN DESCRIPTION
PIN #
113
114
115
SIGNAL NAME
RxDVDD2
AGND2
TxOFF3
116
TxOFF2
117
TxOFF1
118
TxAGND2
119
TxAVDD2
120
DMO2
3 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT XRT73L03
REV. P1.0.13
TYPE
****
****
I
I
I
****
****
O
DESCRIPTION
Receive Digital 3.3V+ 5% VDD - Channel 2
Analog Ground (Substrate Connection) - Channel 2
Transmitter OFF Input - Channel 3:
Refer to the description of pin 117, TxOFF1
Transmitter OFF Input - Channel 2:
Refer to the description of pin 117, TxOFF1
Transmitter OFF Input - Channel 1:
Setting this input pin "High" configures the XRT73L03 to turn off the Transmit
Section of Channel 1. In this mode, the TTIP1 and TRing1 outputs is tri-
stated.
NOTES:
1. This input pin controls the TTIP1 and TRing1 outputs even when the
XRT73L03 is operating in the HOST Mode.
2. For HOST Mode Operation, tie this pin to GND if the Transmitter is
intended to be turned off via the Microprocessor Serial Interface.
Transmitter Analog GND - Transmitter 2
Transmitter Analog 3.3V+ 5% VDD - Transmitter 2
Drive Monitor Output - Channel 2:
Refer to the description of pin 38, DMO1
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