參數資料
型號： MT9075BL
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
文件頁數： 30/78頁
文件大?。?/td> 1008K
代理商： MT9075BL
MT9075A
Preliminary Information
4-158
Table 13 - Multiframe National Bit Buffer and DL
Selection Word (Page 01H, Address 10H)
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
MFSEL
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
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
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
TxTRSP control bit of page 01H,
address
corresponding bits of transmit non-
frame
programmed by the Non-Frame
Alignment Control Word (page
01H, address 12H).
selected
-
see
11H.
If
zero,
the
alignment
signal
are
Bit
Name
Functional Description
7
TIU0
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
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
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
---
Unused.
operation.
Set high for normal
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
2
TxTRSP
Transmit Transparent Mode.
If
one, the MT9075A is in transmit
transparent mode. No framing or
signaling is imposed on the data
transmit from DSTi onto the line. If
zero, it is in termination mode.
Table 14 - Mode Selection Control Word
(Page 01H, Address 11H)
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相關代理商/技術參數
參數描述
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
MT9075BPR 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:E1 Single Chip Transceiver
MT9075BPR1 制造商:Microsemi Corporation 功能描述:FRAMER E1 5V 68PLCC - Tape and Reel
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