XRT79L71_1 Datasheet, PDF (101/434 Pages) Exar Corporation – 1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC -

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XRT79L71
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - REGISTER/MAP DESCRIPTION
BIT NUMBER
NAME
4
COFA Interrupt Enable
3
Change in OOF Defect
Condition Interrupt
Enable
2
Change in LOF Defect
Condition Interrupt
Enable
TYPE
R/W
R/W
R/W
DESCRIPTION
Change of Framing Alignment Interrupt Enable:
This READ/WRITE bit-field permits the user to either enable or
disable the Change of Framing Alignment Interrupt, within the
Channel. If the user enables this interrupt, then the Receive E3
Framer block will generate an interrupt anytime it detects a
Change in Frame Alignment (e.g., the FAS bits have appeared to
move to a different location in the E3 data stream).
0 - Disables the Change of Framing Alignment Interrupt.
1 - Enables the Change of Framing Alignment Interrupt.
Change in OOF Defect Condition Interrupt Enable:
This READ/WRITE bit-field permits the user to either enable or
disable the Change in OOF (Out of Frame) Defect Condition
Interrupt, within the XRT79L71 If the user enables this interrupt,
then the Receive E3 Framer block will generate an interrupt in
response to either of the following conditions.
• The instant that the Receive E3 Framer block declares the
OOF defect condition.
• The instant that the Receive E3 Framer block clears the OOF
defect condition.
The Change in OOF Defect Condition Interrupt can be enabled
or disabled, as described below.
0 - Disables the Change in OOF Defect Condition Interrupt.
1 - Enables the Change in OOF Defect Condition Interrupt.
Change in LOF Defect Condition Interrupt Enable:
This READ/WRITE bit-field permits the user to either enable or
disable the Change in LOF (Loss of Frame) Defect Condition
Interrupt, within the XRT79L71. If the user enables this interrupt,
then the Receive E3 Framer block will generate an interrupt in
response to either of the following conditions.
• The instant that the Receive E3 Framer block declares the
LOF defect condition.
• The instant that the Receive E3 Framer block clears the LOF
defect condition.
The Change in LOF Defect Condition Interrupt can be enabled or
disabled, as described below.
0 - Disables the Change in LOF Defect Condition Interrupt.
1 - Enables the Change in LOF Defect Condition Interrupt.
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