MT9074AL Zarlink Semiconductor, Inc., MT9074AL Datasheet - Page 63

• Manufacturer Part Number: MT9074AL
• Description: T1/E1/J1 Single Chip Transceiver
• Manufacturer: Zarlink Semiconductor, Inc.

Data Sheet
Bit
7
6
5
4
3
2
COFAO
PRBSO
CRCO
OOFO
BPVO
Name
Table 68 - Interrupt Word Two
FEO
(Page 4, Address 1DH) (T1)
Framing Bit Error Counter
Overflow
unmasked this interrupt bit
goes
framing
changes from FFH to 00H.
Reading this register clears this
bit.
CRC-6
Overflow
unmasked this interrupt bit
goes high whenever the CRC-6
error counter changes from
FFH to 00H. Reading this
register clears this bit.
Out
Overflow
unmasked this interrupt bit
goes high whenever the out of
frame counter changes state
from changes from FFH to
00H.
clears this bit.
Change of Frame Alignment
Counter Overflow Interrupt.
When unmasked this interrupt
bit goes high whenever the
change of frame alignment
counter changes from FFH to
00H.
clears this bit.
Bipolar
Overflow
unmasked this interrupt bit
goes high whenever the bipolar
violation counter changes from
FFH to 00H. Reading this
register clears this bit.
Psuedo
Sequence
Overflow
unmasked this interrupt bit
goes high whenever the PRBS
error counter changes from
FFH to 00H. Reading this
register clears this bit.
Functional Description
Of
Reading
Reading
high
Violation
bit
Error
Interrupt.
Interrupt.
Interrupt.
Interrupt.
Interrupt.
Frame
Random
Error
whenever
error
this
this
Counter
Counter
Counter
Counter
counter
register
register
When
When
When
When
When
the
Bit
Bit
1
0
PRBSMFO
MFOOFO
Name
Table 68 - Interrupt Word Two
(Page 4, Address 1DH) (T1)
Psuedo
Sequence
Counter Overflow Interrupt.
When unmasked this interrupt
bit goes high whenever the
multiframe counter attached to
the
overflows. FFH to 00H. 1 -
unmasked, 0 - masked.
Multiframes Out Of Sync
Overflow
unmasked this interrupt bit
goes
multiframes
counter changes from FFH to
00H. Reading
clears this bit.
Functional Description
PRBS
high
Interrupt.
Random
out
whenever
error
this
MT9074
Multiframe
of
counter
register
When
frame
the
Bit
63