XRT72L71 Datasheet, PDF (98/102 Pages) Exar Corporation – DS3 ATM UNI/CLEAR CHANNEL FRAMER

XRT72L71
DS3 ATM UNI/CLEAR CHANNEL FRAMER
REV. 1.1.0
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REGISTER 114
BIT
FUNCTION
TABLE 115: LINE INTERFACE DRIVE REGISTER
LINE INTERFACE DRIVE REGISTER
HEX ADDRESS: 0X72
TYPE
DEFAULT
DESCRIPTION-OPERATION
This “Read/Write” bit-field permits the user to control the state of the
“RLOOP” output pin. The “RLOOP” output pin can be connected to the
“RLOOP” input pin of the XRT7300 or the XRT73L00 device.
1 RLoop
0: Sets the “RLOOP” output pin to “0”. If this output pin is connected to the
“RLOOP” input of the LIU IC, then a variety of LIU Loop-back Modes can be
R/W
0
configured via this register bit.
1: Sets the “RLOOP” output pin to “1”.
NOTE: For information on the various loopback modes, which are available
via the XRT7300 and XRT73L00 device, please consult the “XRT7300” or
the “XRT73L00” data sheet.
This “Read/Write” bit-field permits the user to control the state of the
“LLOOP” output pin. The “RLOOP” output pin can be connected to the
“LLOOP” input pin of the XRT7300 or the XRT73L00 device.
0 LLoop
0: Sets the “LLOOP” output pin to “0”. If this output pin is connected to the
“LLOOP” input of the LIU IC, then a variety of LIU Loop-back Modes can be
R/W
0
configured via this register bit.
1: Sets the “LLOOP” output pin to “1”.
NOTE: For information on the various loopback modes, which are available
via the XRT7300 and XRT73L00 device, please consult the “XRT7300” or
the “XRT73L00” data sheet.
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