參數(shù)資料
型號(hào)： MT9074
廠商： Mitel Networks Corporation
英文描述： T1/E1/J1 Single Chip Transceiver(T1/E1/J1單片收發(fā)器)
中文描述： T1/E1/J1收發(fā)單芯片收發(fā)器（T1/E1/J1收發(fā)單片收發(fā)器）
文件頁(yè)數(shù)： 70/120頁(yè)
文件大?。?/td> 362K
代理商： MT9074
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MT9074
Advance Information
70
Bit
Name
Functional Description
7
ASEL
AIS Select.
This bit selects the
criteria on which the detection of a
valid Alarm Indication Signal (AIS)
is based. If zero, the criteria is less
than three zeros in a two frame
period (512 bits). If one, the criteria
is less than three zeros in each of
two
consecutive
periods (512 bits per double
frame).
double-frame
6
CRCM
CRC-4
activates the CRC-4 remainder
modification function when the
device is in transparent mode. The
received CRC-4 remainder is
modified
to
reflect
changes in the transmit DL. If zero,
time slot zero data from DSTi will
not be modified in transparent
mode.
Modification.
If
one
only
the
5
AUTC
Automatic CRC-interworking.
If
zero, automatic CRC-interworking
is activated. If one it is
deactivated.
See
Algorithm
for
description.
Framing
detailed
a
4
ARAI
Automatic
Indication
. if zero, the Remote
Alarm Indication bit (the A bit) will
function automatically. That is,
RAI=1 when basic synchronization
has been acquired. And, RAI=0
when basic synchronization has
not been acquired. if one, the
remote alarm indication bit is
controlled through the TALM bit of
the transmit Non-Frame Alignment
Control Word.
Remote
Alarm
3
AUTY
Automatic Y-Bit Operation.
If
zero, the Y-bit of the transmit
multiframe alignment signal will
report the multiframe alignment
status to the far end i.e., zero -
multiframe alignment acquired,
one - lost. If one, the Y-bit is under
the manual control of the Transmit
Multiframe
Alignment
Word.
Control
Table 79 - Mode Selection Control Word (E1)
(Page 1, Address 10H)
2
CSYN
CRC-4 Synchronization.
If zero,
basic
CRC-4
processing is activated, and the
TIU0 Bit and the TIU1 bit
programming will be overwritten.
If one, CRC-4 synchronization is
disabled. If AUTC (Page 1,
Address 10H, bit 5) is also one
then the first bits of channel 0 are
used as international use bits and
are programmed by the TIU0 and
TIU1.
synchronization
1
REFRM
Reframe.
If one for at least one
frame, and then cleared, the
device will initiate a search for a
new
basic
frame
Reframing function is activated on
the one to zero transition of the
REFRM bit.
position.
0
MFRF
Multiframe Reframe.
If one, for at
least one frame, and then cleared
the MT9074 will initiate a search
for a new signalling multiframe
position. Reframing function is
activated on the one to zero
transition of the MFRM bit.
Bit
Name
Functional Description
7
- - -
Unused
6
TE
Transmit E bits.
When zero and
CRC-4 synchronization is achieved,
the E-bits transmit the received CRC-
4 comparison results to the distant
end of the link, as per G.703. That is,
when
zero
synchronization is lost, the transmit E-
bits will be zero. If one, and CRC-4
synchronization is lost the transmit E-
bits will be one.
and
CRC-4
5
TAIS16
Transmit AIS Time Slot 16
. If one, an
all ones signal is transmitted in time
slot 16. If zero, time slot functions
normally.
4
TxAO
Transmit All Ones
. When low, this
control bit forces an unframed all ones
to be transmit at TTIP and TRING.
Table 80 - Transmit Alarm Control Word (E1)
(Page 1, Address 11H)
Bit
Name
Functional Description
Table 79 - Mode Selection Control Word (E1)
(Page 1, Address 10H)
相關(guān)PDF資料
PDF描述
MT9075B E1 Single Chip Transceiver
MT9075B E1 Single Chip Transceiver(E1單片收發(fā)器)
MT9075 E1 Single Chip Transceiver
MT9075A E1 Single Chip Transceiver
MT9075AL E1 Single Chip Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT9074_05 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1/J1 Single Chip Transceiver
MT9074AL 制造商:Microsemi Corporation 功能描述:FRAMER E1/J1/T1 5V 100MQFP - Trays 制造商:Zarlink Semiconductor Inc 功能描述:FRAMER E1/J1/T1 5V 100MQFP - Trays
MT9074AL1 制造商:Microsemi Corporation 功能描述:FRAMER E1/J1/T1 5V 100MQFP - Trays
MT9074AP 制造商:Microsemi Corporation 功能描述:
MT9074AP1 制造商:Microsemi Corporation 功能描述:T1/E1/J1 SGLE CHIP XSCR 制造商:Microsemi Corporation 功能描述:FRAMER E1/J1/T1 5V 68PLCC - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX SGL T1/E1 68PLCC 制造商:Microsemi Corporation 功能描述:IC TXRX SGL T1/E1 68PLCC
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