MT9075B Mitel Networks Corporation, MT9075B Datasheet - Page 36

• Manufacturer Part Number: MT9075B
• Description: E1 Single Chip Transceiver
• Manufacturer: Mitel Networks Corporation

MT9075B
36
Bit
7
6
5
4
3
2
1
(Page 01H, Address 1CH) (continued)
Table 23 - Interrupt Mask Word One
RCR0I
RCR1I
Name
CRCI
BERI
CEFI
BPVI
EBI
(0)
(0)
(0)
(0)
(0)
(0)
(0)
Receive E-bit Interrupt. When
unmasked an interrupt is initiated
when a receive E-bit indicates a
remote
unmasked, 0 - masked. Interrupt
vector = 00100000.
CRC-4
unmasked an interrupt is initiated
when a local CRC-4 error occurs. 1
- unmasked, 0 - masked. Interrupt
vector = 00100000.
Consecutively
Interrupt.
interrupt is initiated when two
consecutive
alignment signals are received. 1 -
unmasked, 0 - masked. Interrupt
vector = 00100000.
Bipolar Violation Interrupt. When
unmasked an interrupt is initiated
when
occurs. 1 - unmasked, 0 - masked.
Interrupt vector = 00100000.
RAI and Continuous CRC Error
Interrupt.
interrupt
received A bit has been one, and
the received E bits have been zero,
continuously for greater than 10
milliseconds
address 19H) 1- unmasked, 0 -
masked.
00100000.
RAI and Continuous CRC Error
Interrupt.
interrupt
received A bit had been set, and the
received
continuously for greater than 10
milliseconds, but less than 450
milliseconds
address 19H). 1 - unmasked, 0 -
masked.
00100000.
Bit
unmasked an interrupt is initiated
when a bit error occurs. 1 -
unmasked, 0 - masked. Interrupt
vector = 00100000.
Error
a
Functional Description
Error
CRC-4
is
is
bipolar
E
When
When
When
Interrupt
Interrupt
initiated
initiated
(see
(see
Interrupt.
bits
errored
Interrupt.
Errored
violation
unmasked
unmasked
unmasked
error.
page
page
were
vector
vector
when
when
When
FASs
frame
When
1
error
04H,
04H,
low,
the
the
an
an
an
=
=
-
Bit
Bit
0
7
6
5
4
3
(Page 01H, Address 1DH) (continued)
Table 23 - Interrupt Mask Word One
Table 24 - Interrupt Mask Word Two
CRCOI
FEROI
CALNI
Name
Name
EBOI
SIGI
JAI
(0)
(0)
(0)
(0)
(0)
(0)
(Page 01H, Address 1CH)
Signalling (CAS) Interrupt. When
unmasked and any of the receive
ABCD bits of any channel changes
state an interrupt is initiated. 1 -
unmasked, 0 - masked. Interrupt
vector = 00000001
Receive E-bit Counter Overflow
Interrupt.
interrupt is initiated when the E-bit
error
unmasked, 0 - masked. Interrupt
vector = 00010000.
CRC-4 Error Counter Overflow
Interrupt.
interrupt is initiated when the CRC-4
error
unmasked, 0 - masked. Interrupt
vector = 00010000.
CRC-4 Alignment Interrupt. When
unmasked an interrupt is initiated
when the CALN status bit of page
03H, address 12H changes state. 1
- unmasked, 0 - masked. Interrupt
vector = 00001000.
Frame Alignment Signal Error
Counter Overflow Interrupt. When
unmasked an interrupt is initiated
when the frame alignment signal
error
unmasked, 0 - masked. Interrupt
vector = 00010000.
Jitter
When unmasked, an interrupt will
be
attenuator FIFO comes within four
bytes of an overflow or underflow
condition. 1 - unmasked, 0 -
masked.
00000100.
Preliminary Information
initiated
counter
counter
counter
Functional Description
Functional Description
Attenuation
When
When
Interrupt
when
overflows.
overflows.
overflows.
unmasked
unmasked
vector
the
Interrupt.
1
1
1
jitter
an
an
=
-
-
-