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XRT72L13 Datasheet(PDF) 178 Page - Exar Corporation

Part # XRT72L13
Description  M13 MULTIPLEXER/CLEAR CHANNEL DS3 FRAMER IC
PDF  370 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT72L13 Datasheet(HTML) 178 Page - Exar Corporation

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XRT72L13
MULTIPLEXER/FRAMER IC
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PRELIMINARY
REV. 1.0.6
166
2.3.2.124 DS2 # 4 Framer Status Register
Bit 5 - DS2 COFA (Change of Framing Alignment)
Status
This “Read-Only” bit-field reflects the current “COFA”
status of DS2 Channel # 4.
This bit-field will be set to “0” is there is no “Change of
Framing Alignment” in DS2 Channel # 4. Converse-
ly, this bit-field will be set to “1” is there is a “Change
of Framing Alignment” in DS2 Channel # 4.
Bit 4 - DS2 OOF (Out-of-Frame) Status
This “Read-Only” bit-field reflects the current “OOF”
status of DS2 Channel # 4.
This bit-field will be set to “0” if DS2 Channel # 4 is
currently in the “In-Frame” condition. Conversely,
this bit-field will be set to “1” if DS2 Channel # 4 is
currently declaring an “Out-of-Frame” condtion.
Bit 3 - DS2 FERF (Far-End Receive Failure) Status
his “Read-Only” bit-field reflects the current “FERF”
status of DS2 Channel # 4.
This bit-field will be set to “0” if DS2 Channel # 4 is
currently not declaring the “FERF” condition. Con-
versely, this bit-field will be set to “1” if DS2 Channel #
4 is currently declaring a “FERF” condtion.
Bit 2 - DS2 RED Alarm Status
This “Read-Only” bit-field reflects the current “RED
Alarm” status of DS2 Channel # 4.
This bit-field will be set to “0” if DS2 Channel # 4 is
not currently declaring a “RED Alarm” condition.
Conversely, this bit-field will be set to “1” if DS2 Chan-
nel # 4 is currently declaring a “RED Alarm” condition.
Bit 1 - DS2 AIS (Alarm Indication Signal) Status
This “Read-Only” bit-field reflects the current “AIS”
status of DS2 Channel # 4.
This bit-field will be set to “0” if DS2 Channel # 4 is
not currently declaring an “AIS” condition. Converse-
ly, this bit-field will be set to “1” if DS2 Channel # 4 is
currently declaring an “AIS” condition.
Bit 0 - DS2 RESV Status
To be provided in the next update.
2.3.2.125 DS2 # 5 Framer Interrupt Enable Regis-
ter
Bit 5 - DS2 COFA (Change of Framing Alignment)
Interrupt Enable
This “Read/Write” bit-field permits the user to enable
or disable the “DS2 Change of Framing Alignment”
Interrupt.
Setting this bit-field to “1” enables this interrupt. Con-
versely, setting this bit-field to “0” disables this inter-
rupt.
Bit 4 - DS2 OOF (Out of Frame) Interrupt Enable
This “Read/Write” bit-field permits the user to enable
or disable the “DS2 Out of Frame” interrupt.
Setting this bit-field to “1” enables this interrupt. Con-
versely, setting this bit-field to “0” disables this inter-
rupt.
Bit 3 - DS2 FERF (Far-End-Receive Failure) Inter-
rupt Enable.
DS2 # 4 FRAMER STATUS REGISTER (ADDRESS = 0XAC)
BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0
Unused
DS2 COFA
Status
DS2 OOF
Status
DS2 FERF
Status
DS2 RED
Alarm
Status
DS2 AIS
Status
DS2
RESV
Status
R/O
R/O
R/W
R/W
R/W
R/W
R/W
R/W
00
000
000
DS2 # 5 FRAMER INTERRUPT ENABLE REGISTER (ADDRESS = 0XAD)
BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0
Unused
DS2 COFA
Interrupt
Enable
DS2 OOF
Interrupt
Enable
DS2 FERF
Interrupt
Enable
DS2 RED
Alarm
Interrupt
Enable
DS2 AIS
Interrupt
Enable
DS2
RESV
Interrupt
Enable
R/O
R/O
R/W
R/W
R/W
R/W
R/W
R/W
00
000
000



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