XRT79L71_1 Datasheet, PDF (217/434 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
2
Change of LOL Condi-
tion Interrupt Status
TYPE
RUR
1
Change of LOS Condi- RUR
tion Interrupt Status
0
Change of DMO Condi- RUR
tion Interrupt Status
DEFAULT
VALUE
0
0
0
DESCRIPTION
Change of Receive LOL (Loss of Lock) Condition Inter-
rupt Status:
This RESET-upon-READ bit-field indicates whether or not
the Change of Receive LOL Condition Interrupt has
occurred since the last read of this register.
0 - Indicates that the Change of Receive LOL Condition
Interrupt has NOT occurred since the last read of this regis-
ter.
1 - Indicates that the Change of Receive LOL Condition
Interrupt has occurred since the last read of this register.
NOTE:
The user can determine the current state of the
Receive LOL Defect condition by reading out the
contents of Bit 2 (Receive LOL Defect Declared)
within the Alarm Status Register.
Change of Receive LOS (Loss of Signal) Defect Condi-
tion Interrupt Status:
This RESET-upon-READ bit-field indicates whether or not
the Change of the Receive LOS Defect Condition Interrupt
has occurred since the last read of this register.
0 - Indicates that the Change of the Receive LOS Defect
Condition Interrupt has NOT occurred since the last read of
this register.
1 - Indicates that the Change of the Receive LOS Defect
Condition Interrupt has occurred since the last read of this
register.
NOTE:
The user can determine the current state of the
Receive LOS Defect condition by reading out the
contents of Bit 1 (Receive LOS Defect Declared)
within the Alarm Status Register.
Change of Transmit DMO (Drive Monitor Output) Condi-
tion Interrupt Status:
This RESET-upon-READ bit-field indicates whether or not
the Change of the Transmit DMO Condition Interrupt has
occurred since the last read of this register.
0 - Indicates that the Change of the Transmit DMO Condi-
tion Interrupt has NOT occurred since the last read of this
register.
1 - Indicates that the Change of the Transmit DMO Condi-
tion Interrupt has occurred since the last read of this regis-
ter.
NOTE:
The user can determine the current state of the
Transmit DMO Condition by reading out the
contents of Bit 0 (Transmit DMO Condition) within
the Alarm Status Register.
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