參數(shù)資料
型號(hào): MT9075B
廠商: Mitel Networks Corporation
英文描述: E1 Single Chip Transceiver
中文描述: 素E1單芯片收發(fā)器
文件頁(yè)數(shù): 37/78頁(yè)
文件大?。?/td> 347K
代理商: MT9075B
Preliminary Information
MT9075B
37
Table 24 - Interrupt Mask Word Two
(Page 01H, Address 1DH)
Bit
Name
Functional Description
2
BEROI
(0)
Bit
Interrupt.
When unmasked (BERO
= 1), an interrupt is initiated when
the bit error counter overflows.
Interrupt vector = 00010000.
Error
Counter
Overflow
1
AUXPI
(0)
Auxiliary Pattern Interrupt.
When
unmasked (AUXPI = 1), an interrupt
is initiated when the AUXP status bit
of page 03H, address 15H goes
high. Interrupt vector = 01000000.
0
CMFOI
(0)
Receive
Counter Overflow Interrupt.
When
unmasked (CMFO = 1), an interrupt
is
initiated
when
multiframe
counter
Interrupt vector = 00010000.
CRC-4
Multiframe
the
CRC-4
overflows.
Bit
Name
Functional Description
7
MFSYI
(0)
Multiframe
Interrupt.
(MFSYI = 1), an interrupt is
initiated
when
synchronization is lost. Interrupt
vector = 10000000.
Synchronization
When
unmasked
multiframe
6
CSYNI
(0)
CRC-4
Synchronization Interrupt.
When
unmasked (CSYNI = 1), an
interrupt is initiated when CRC-4
multiframe synchronization is lost.
Interrupt vector = 10000000.
Multiframe
5
- - -
Unused.
4
YI
(0)
Remote Signalling Multiframe
Alarm Interrupt.
When unmasked
(YI = 1), an interrupt is initiated
when
a
remote
multiframe
alarm
received.
Interrupt
10000000.
signalling
signal
vector
is
=
Table 25: Interrupt Mask Word Three
(Page 01H, Address 1EH)
3
1SECI
(0)
One Second Status Interrupt.
When unmasked (1SECI = 1), an
interrupt is initiated when the
1SEC status bit (page 03H,
address 12H, bit 7) changes from
zero to one. Interrupt vector =
00001000.
2
T1I
(0)
T1
unmasked (T1I = 1), an interrupt is
initiated when the T1 timer bit
(page 03H, address 12H, bit 5)
changes
from
Interrupt vector = 00001000.
Timer
Interrupt.
When
zero
to
one.
1
T2I
(0)
T2
unmasked (T2I = 1), an interrupt is
initiated when the T2 timer bit
(page 03H, address 12H, bit 4)
changes
from
Interrupt vector = 00001000.
Timer
Interrupt.
When
zero
to
one.
0
- - -
Unused
Bit
Name
Functional Description
Table 25: Interrupt Mask Word Three
(Page 01H, Address 1EH)
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