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MT9074AP Datasheet(PDF) 49 Page - Mitel Networks Corporation

Part # MT9074AP
Description  T1/E1/J1 Single Chip Transceiver
PDF  122 Pages
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Manufacturer  MITEL [Mitel Networks Corporation]
Direct Link  http://www.mitel.com
Logo MITEL - Mitel Networks Corporation

MT9074AP Datasheet(HTML) 49 Page - Mitel Networks Corporation

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Advance Information
MT9074
49
3
BPVIM
Bipolar
Violation
Interrupt
Mask.
When
unmasked
an
interrupt is initiated whenever a
bipolar
violation
(excluding
B8ZS encoding) is encountered.
If 1- unmasked, 0 - masked.
2
PRBSIM
Psuedo
Random
Bit
Sequence
Error
Interrupt
Mask.
When
unmasked
an
interrupt will be generated upon
detection of an error with a
channel
selected
for
PRBS
testing.
1
-
unmasked,
0
-
masked.
1
PDVIM
Pulse
Density
Violation
Interrupt
Mask.
When
unmasked
an
interrupt
is
triggered whenever a sequence
of excessive consecutive zeros
is received on the line, or the
incoming pulse density is less
than N ones in a time frame of
8(N+1) where N = 1 to 23. If 1 -
unmasked, 0 - masked.
0
- - -
Unused.
Bit
Name
Functional Description
7
FEOM
Framing Bit Error Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is
initiated
whenever
the
framing
bit
error
counter
changes from FFH to 00H. If
1 - unmasked, 0 - masked.
6
CRCOM
CRC-6
Error
Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is
initiated
whenever
the
CRC-6
error
counter
changes from FFH to 00H. If
1 - unmasked, 0 - masked.
Table 34 - Interrupt Mask Word Two (T1)
(Page 1, Address 1DH)
Bit
Name
Functional Description
Table 33 - Interrupt Mask Word One (T1)
(Page 1, Address 1CH
5
OOFOM
Out
Of
Frame
Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is initiated whenever the out
of frame counter changes
state
from
changes
from
FFH to 00H. If 1 - unmasked,
0 - masked.
4
COFAOM
Change
of
Frame
Alignment
Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is
initiated
whenever
the
change of frame alignment
counter changes from FFH
to 00H. If 1 - unmasked, 0 -
masked.
3
BPVOM
Bipolar Violation Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is
initiated
whenever
the
bipolar
violation
counter
changes from FFH to 00H. If
1- unmasked, 0 - masked.
2
PRBSOM
Psuedo
Random
Bit
Sequence
Error
Counter
Overflow Interrupt Mask.
When unmasked an interrupt
will be generated whenever
the
PRBS
error
counter
changes from FFH to 00H. If
1 - unmasked, 0 - masked.
1
PRBSMFOM
Psuedo
Random
Bit
Sequence
Multiframe
Counter
Overflow
Interrupt
Mask.
When
unmasked an interrupt will
be generated whenever the
multiframe counter attached
to the PRBS error counter
overflows. FFH to 00H. If 1 -
unmasked, 0 - masked.
0
MFOOFOM
Multiframes Out Of Sync
Overflow Interrupt Mask.
When unmasked an interrupt
will be generated when the
multiframes
out
of
frame
counter changes from FFH
to 00H. If 1 - unmasked, 0 -
masked.
Bit
Name
Functional Description
Table 34 - Interrupt Mask Word Two (T1)
(Page 1, Address 1DH)



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