xrt75r12 Exar Corporation, xrt75r12 Datasheet - Page 70

• Manufacturer Part Number: xrt75r12
• Description: Twelve Channel E3/ds3/sts-1 Line Interface Unit With Jitter
• Manufacturer: Exar Corporation

XRT75R12
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
B
IT
B
N
IT
UMBER
1
0
7
T
ABLE
Condition Interrupt
Condition Interrupt
B
Change of DMO
Change of LOS
IT
31: XRT75R12 R
6
Reserved
Enable
Enable
N
AME
B
IT
5
T
R/W
R/W
YPE
EGISTER
B
IT
Change of the Receive LOS (Loss of Signal) Defect Condition Interrupt
Enable - Ch 0:
This READ/WRITE bit-field is used to enable or disable the Change of the
Receive LOS Defect Condition Interrupt. If the user enables this interrupt,
then the XRT75R12 will generate an interrupt any time any of the following
events occur.
•
•
0 - Disables the Change in the LOS Defect Condition Interrupt.
1 - Enables the Change in the LOS Defect Condition Interrupt.
Change of Transmit DMO (Drive Monitor Output) Condition Interrupt Enable
- Ch n:
This READ/WRITE bit-field is used to enable or disable the Change of
Transmit DMO Condition Interrupt. If the user enables this interrupt, then
the XRT75R12 will generate an interrupt any time any of the following
events occur.
•
•
0 - Disables the Change in the DMO Condition Interrupt.
1 - Enables the Change in the DMO Condition Interrupt.
4
Whenever the Receive Section (within Channel n) declares the LOS
Defect Condition.
Whenever the Receive Section (within Channel n) clears the LOS Defect
condition.
Whenever the Transmit Section toggles the DMO output pin (or bit-field)
to "1".
Whenever the Transmit Section toggles the DMO output pin (or bit-field)
to "0".
MAP
Interrupt Status
Change of FL
Condition
SHOWING
B
Ch_n
RUR
67
IT
3
I
NTERRUPT
Change of LOL
Interrupt Status
Condition
Ch_n
B
RUR
D
IT
ESCRIPTION
S
2
TATUS
Change of LOS
R
nterrupt Status
EGISTERS
Condition
Ch_n
B
RUR
IT
1
(ISR_n)
Change of DMO
Interrupt Status
Condition
Ch_n
B
RUR
REV. 1.0.4
IT
0