XRT79L71 Datasheet, PDF (166/441 Pages) Exar Corporation – 1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC

XRT79L71
REV. P1.0.3
PRELIMINARY
áç
1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
RXE3 INTERRUPT ENABLE REGISTER # 1 - G.832 (DIRECT 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 State
Interrupt
Enable
Change in
LOF State
Interrupt
Enable
Change in
LOS State
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 State
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
configuration, the Frame Synchronizer block will generate an
interrupt 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 Frame Synchronizer block will generate an
interrupt under the following conditions.
a. When the Frame Synchronizer block declares an SSM
OOS condition.
b. When the Frame Synchronizer 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.
154