XRT75R12_07 Datasheet, PDF (69/90 Pages) Exar Corporation – TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER

REV. 1.0.3
XRT75R12
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
TABLE 30: SOURCE LEVEL INTERRUPT ENABLE REGISTER - CHANNEL n ADDRESS LOCATION = 0XM1
(n = [0:11] & M= 0-5 & 8-D)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Reserved
Change of FL Change of LOL Change of LOS Change of
Condition
Condition
Condition DMO Condition
Interrupt Enable Interrupt Enable Interrupt Enable Interrupt Enable
Ch n
Ch n
Ch n
Ch n
R/W
R/W
R/W
R/W
BIT NUMBER
NAME
7-4
Reserved
3
Change of FL
Condition Interrupt
Enable - Ch n
2
Change of LOL
Condition Interrupt
Enable
TYPE
DESCRIPTION
R/O
R/W Change of FL (FIFO Limit Alarm) Condition Interrupt Enable - Ch n:
This READ/WRITE bit-field is used to enable or disable the Change of FIFO
Limit Alarm Condition Interrupt. If the user enables this interrupt, the
XRT75R12 will generate an interrupt if any of the following events occur.
• Whenever the Jitter Attenuator (within Channel n) declares the FL (FIFO
Limit Alarm) condition.
• Whenever the Jitter Attenuator (within Channel n) clears the FL (FIFO
Limit Alarm) condition.
0 - Disables the Change in FL Condition Interrupt.
1 - Enables the Change in FL Condition Interrupt.
R/W Change of Receive LOL (Loss of Lock) Condition Interrupt Enable - Channel
n:
This READ/WRITE bit-field is used to enable or disable the Change of
Receive LOL Condition Interrupt. If the user enables this interrupt, then the
XRT75R12 will generate an interrupt any time any of the following events
occur.
• Whenever the Receive Section (within Channel n) declares the Loss of
Lock Condition.
• Whenever the Receive Section (within Channel n) clears the Loss of Lock
Condition.
0 - Disables the Change in Receive LOL Condition Interrupt.
1 - Enables the Change in Receive LOL Condition Interrupt.
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