XRT79L71_1 Datasheet, PDF (100/434 Pages) Exar Corporation – 1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC -

XRT79L71
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - REGISTER/MAP DESCRIPTION
REV. 1.0.0
BIT NUMBER
NAME
4
LOS Defect Condition
Declared
3
AIS Defect Condition
Declared
2-1
0
Unused
FERF/RDI Defect Condi-
tion Declared
TYPE
R/O
R/O
R/O
R/O
DESCRIPTION
LOS (Loss of Signal) Defect Condition Indicator:
This READ-ONLY bit-field indicates whether or not the Receive
E3 Framer block is currently declaring the LOS defect condition,
as described below.
0 - Indicates that the Receive E3 Framer block is NOT currently
declaring the LOS defect condition in the incoming data stream.
1 - Indicates that the Receive E3 Framer block is currently
declaring the LOS defect condition in the incoming data stream.
AIS Defect Condition Indicator:
This READ-ONLY bit-field indicates whether or not the Receive
E3 Framer block is currently declaring the AIS defect condition
within the incoming E3 data-stream, as described below.
0 - Indicates that the Receive E3 Framer block is NOT declaring
the AIS defect condition with the incoming E3 data stream.
1 - Indicates that the Receive E3 Framer block is currently
declaring the AIS defect condition with the incoming data
stream.
FERF/RDI (Far-End-Receive Failure/Remote Defect Indica-
tor) Defect Condition Indicator:
This READ-ONLY bit-field indicates whether or not the Receive
E3 Framer block is currently declaring the FERF/RDI defect con-
dition, as described below.
0 - Indicates that the Receive E3 Framer block is NOT declaring
the FERF/RDI defect condition.
1 - Indicates that the Receive E3 Framer block is declaring the
FERF/RDI defect condition.
NOTE: This bit-field is ignored if the user has configured the
Receive E3 Framer block to compute and verify the BIP-
4 value within the incoming E3 data-stream.
Receive E3 Interrupt Enable Register # 1 - G.751 (Address = 0x1112)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
Unused
COFA
Interrupt
Enable
Change in
OOF Defect
Condition
Interrupt
Enable
Change in
LOF Defect
Condition
Interrupt
Enable
R/O
R/O
R/O
R/W
R/W
R/W
0
0
0
0
0
0
BIT 1
Change in
LOS Defect
Condition
Interrupt
Enable
R/W
0
BIT 0
Change in
AIS Defect
Condition
Interrupt
Enable
R/W
0
BIT NUMBER
NAME
7-5
Unused
TYPE
R/O
DESCRIPTION
91