XRT79L71_1 Datasheet, PDF (215/434 Pages) Exar Corporation – 1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC -

REV. 1.0.0
XRT79L71
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - REGISTER/MAP DESCRIPTION
BIT
NUMBER
NAME
3
Change of FL
Condition Interrupt
Enable
2
Change of LOL
Condition Interrupt
Enable
1
Change of LOS
Condition Interrupt
Enable
TYPE
R/W
R/W
R/W
DEFAULT
VALUE
0
0
0
DESCRIPTION
Change of FL (FIFO Limit Alarm) Condition Interrupt
Enable:
This READ/WRITE bit-field permits the user to either enable
or disable the Change of FL Condition Interrupt. If the user
enables this interrupt, then the XRT79L71 will generate an
interrupt any time any of the following events occur.
• Whenever the Jitter Attenuator (within XRT79L71)
declares the FL (FIFO Limit Alarm) condition.
• Whenever the Jitter Attenuator (within XRT79L71) clears
the FL (FIFO Limit Alarm) condition.
0 - Disables the Change in FL Condition Interrupt.
1 - Enables the Change in FL Condition Interrupt.
Change of Receive LOL (Loss of Lock) Condition Inter-
rupt Enable:
This READ/WRITE bit-field permits the user to either enable
or disable the Change of Receive LOL Condition Interrupt.
If the user enables this interrupt, then the XRT79L71 will
generate an interrupt any time any of the following events
occur.
• Whenever the Receive Section (within XRT79L71)
declares the Loss of Lock Condition.
• Whenever the Receive Section (within XRT79L71) clears
the Loss of Lock Condition.
0 - Disables the Change in Receive LOL Condition Inter-
rupt.
1 - Enables the Change in Receive LOL Condition Interrupt.
Change of the Receive LOS (Loss of Signal) Defect
Condition Interrupt Enable:
This READ/WRITE bit-field permits the user to either enable
or disable the Change of the Receive LOS Defect Condition
Interrupt. If the user enables this interrupt, then the
XRT79L71 will generate an interrupt any time any of the fol-
lowing events occur.
• Whenever the Receive Section (within XRT79L71)
declares the LOS Defect Condition.
• Whenever the Receive Section (within XRT79L71) clears
the LOS Defect condition.
0 - Disables the Change in the LOS Defect Condition Inter-
rupt.
1 - Enables the Change in the LOS Defect Condition Inter-
rupt.
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