XRT79L71_1 Datasheet, PDF (114/434 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
Receive E3 Interrupt Enable Register # 1 - G.832 (Address = 0x1112)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
Unused
Change in
SSM MSG
Interrupt
Enable
Change in
SSM OOS
Interrupt
Enable
COFA
Interrupt
Enable
Change in
OOF Defect
Condition
Interrupt
Enable
Change in
LOF Defect
Condition
Interrupt
Enable
Change in
LOS Defect
Condition
Interrupt
Enable
R/O
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
BIT 0
Change in
AIS Defect
Condition
Interrupt
Enable
R/W
0
BIT NUMBER
NAME
7
Unused
6
Change in SSM MSG
Interrupt Enable
5
Change in SSM OOS
State Interrupt Enable
4
COFA Interrupt Enable
TYPE
R/O
R/W
R/W
R/W
DESCRIPTION
Change of Synchronization Status Message (SSM) Condi-
tion Interrupt Enable:
This READ/WRITE bit-field permits the user to either enable or
disable the Change in SSM Message Interrupt, as indicated
below.
0 - Disables the Change in SSM Message Interrupt.
1 - Enables the Change of SSM Message Interrupt. In this con-
figuration, the Receive E3 Framer block will generate an inter-
rupt anytime it receives a new (or different) SSM Message in the
incoming E3 data-stream.
Change of SSM OOS (Out of Sequence) Condition Interrupt
Enable:
This READ/WRITE bit-field permits the user to either enable or
disable the Change of SSM OOS Condition Interrupt, as indi-
cated below.
0 - Disables the Change of SSM OOS Condition Interrupt.
1 - Enables the Change of SSM OOS Condition Interrupt. In this
configuration, the Receive E3 Framer block will generate an
interrupt under the following conditions.
a. When the Receive SSM Controller block declares an SSM
OOS condition.
b. When the Receive SSM Controller block clears the SSM
OOS condition.
Change of Framing Alignment Interrupt Enable:
This READ/WRITE bit-field permits the user to either enable or
disable the Change of Framing Alignment condition interrupt, as
indicated below.
0 - Disables the Change of Framing Alignment Interrupt.
1 - Enables the Change of Framing Alignment Interrupt.
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