參數資料
型號： MT9075B
廠商： Mitel Networks Corporation
英文描述： E1 Single Chip Transceiver(E1單片收發(fā)器)
中文描述： 素E1單芯片收發(fā)器（素E1單片收發(fā)器）
文件頁數： 30/82頁
文件大?。?/td> 275K
代理商： MT9075B
MT9075B
Preliminary Information
30
Table 13 - Multiframe National Bit Buffer and DL
Selection Word (Page 01H, Address 10H)
Bit
Name
Functional Description
7
ASEL
(0)
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
MFSEL
(0)
Multiframe
determines
multiframe
signalling) the RxMF (pin 42 in
PLCC, 23 in MQFP) signal is
aligned with. If zero,
aligned with the receive signalling
multiframe. If one, RxMF is aligned
with the receive CRC-4 multiframe.
Select.
which
signal
This
bit
receive
(CRC-4
or
RxMF is
5
NBTB
(0)
National Bit Transmit Buffer.
If
one, the transmit NFAS signal
originates from the transmit national
bit buffer; if zero, the transmit NFAS
signal originates from the TNU4-8
bits of page 01H, address 12H.
4 - 0 S
a4
- S
a8
(00000)
A one selects the corresponding S
a
bits of the NFA signal for 4, 8, 12,
16 or 20 kbits/sec. data link
channel. Data link (DL) selection will
function in termination mode only; in
transmit transparent mode S
a4
is
automatically
selected
TxTRSP control bit of page 01H,
address
11H.
corresponding bits of transmit non-
frame
alignment
programmed by the Non-Frame
Alignment Control Word (page
01H, address 12H).
-
see
If
zero,
the
signal
are
Bit
Name
Functional Description
7
TIU0
(0)
Transmit International Use Zero.
When CRC-4 operation is disabled
(CSYN=1), this bit is transmit on
the PCM 30 2048 kbit/sec. link in
bit position one of time-slot zero of
frame-alignment
reserved for international use and
should normally be kept at one. If
CRC processing is used, i.e.,
CSYN =0, this bit is ignored.
frames.
It
is
6
CRCM
(0)
CRC-4
activates the CRC-4 remainder
modification function when the
device is in transparent mode. The
received
CRC-4
modified to reflect only the changes
in the transmit DL. If zero, time slot
zero data from DSTi will not be
modified in transparent mode.
Modification.
If
one,
remainder
is
5
RST
(0)
Reset
. When this bit is changed
from zero to one the device will
reset to its default mode. See the
Reset Operation section for the
default settings.
4
ARAI
(0)
Automatic RAI Operation.
If
zero, the Remote Alarm Indication
bit (the A bit) will function
automatically. That is, RAI=0
when basic synchronization has
been acquired and RAI=1 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.
3
AUTY
(0)
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 14 - Mode Selection Control Word
(Page 01H, Address 11H)
相關PDF資料
PDF描述
MT9075 E1 Single Chip Transceiver
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MT9075AL E1 Single Chip Transceiver
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相關代理商/技術參數
參數描述
MT9075B-1 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:E1 Single Chip Transceiver
MT9075BL 制造商:Microsemi Corporation 功能描述:FRAMER E1 5V 100MQFP - Trays
MT9075BL1 制造商:Microsemi Corporation 功能描述:FRAMER E1 5V 100MQFP - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX SGL E1 W/LIU 100MQFP 制造商:Microsemi Corporation 功能描述:IC TXRX SGL E1 W/LIU 100MQFP
MT9075BP 制造商:Microsemi Corporation 功能描述:
MT9075BP1 制造商:Microsemi Corporation 功能描述:Single Chip Transceiver 1TX 1RX 2.048Mbps 68-Pin PLCC Tube 制造商:Microsemi Corporation 功能描述:FRAMER E1 5V 68PLCC - Rail/Tube 制造商:Microsemi Corporation 功能描述:PB FREE E1 SINGLE CHIP TRANSCEIVER 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX SGL E1 W/LIU 68PLCC 制造商:Microsemi Corporation 功能描述:IC TXRX SGL E1 W/LIU 68PLCC
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