參數(shù)資料
型號(hào)： MT9079
廠商： Mitel Networks Corporation
英文描述： Advanced Controller for E1(先進(jìn)的E1幀調(diào)節(jié)器和控制器)
中文描述： 高級(jí)控制器素E1（先進(jìn)的素E1幀調(diào)節(jié)器和控制器）
文件頁(yè)數(shù)： 25/60頁(yè)
文件大小： 347K
代理商： MT9079
MT9079
4-231
Transmit National Bit Buffer (Page D)
Page 0DH, addresses 10000 to 10100 contain the
five bytes of the transmit national bit buffer (TNBB0 -
TNBB4 respectively). This feature is functional only
in processor and controller modes when control bit
NBTB=1.
The transmit national bit buffer is not cleared by the
RST function, but is cleared by the RESET function.
Receive National Bit Buffer (Page E)
Page 0EH, addresses 10000 to 10100 contain the
five bytes of the receive national bit buffer (RNBB0 -
RNBB4 respectively). This feature is functional only
in processor and controller modes.
Control Page 1
Tables 25 to 39 describe the bit functions of the page
1 control registers. ( ) in the “Name” column of these
tables indicates the state of the control bit after a
RESET or RST function.
Bit
Name
Functional Description
7 - 0
TNBBn .F1
-
TNBBn.F15
Transmit S
an+4
Bits Frames 1 to 15.
This
byte
contains
transmitted in bit position n+4 of
channel zero of frames 1, 3, 5, 7, 9,
11, 13 and 15 when CRC-4
multiframe alignment is used, or of
consecutive
odd
CRC-4 multiframe alignment is not
used. n = 0 to 4 inclusive and
corresponds to a byte of the receive
national bit buffer.
the
bits
frames
when
Table 23 - Transmit National Bit Buffer Bytes Zero
to Four (Page D)
Bit
Name
Functional Description
7 - 0
RNBBn .F1
-
RNBBn.F15
Receive S
an+4
Bits Frames 1 to 15.
This byte contains the bits received
in bit position n+4 of channel zero of
frames 1, 3, 5, 7, 9, 11, 13 and 15
when CRC-4 multiframe alignment
is used, or of consecutive odd
frames when CRC-4 multiframe
alignment is not used. n = 0 to 4
inclusive and corresponds to a byte
of the receive national bit buffer.
Table 24 - Receive National Bit Buffer Bytes Zero to
Four (Page E)
Bit
Name
Functional Description
7
ASEL
(0)
AIS Select. This bit selects the crite-
ria 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 con-
secutive double-frame periods (512
bits per double-frame).
6
MFSEL
(0)
Multiframe Select. This bit deter-
mines which receive multiframe sig-
nal (CRC-4 or signalling) the RxMF
signal is aligned with. If zero, RxMF
is aligned with the receive signalling
multiframe. If one, the RxMF is
aligned with the receive CRC-4 multi-
frame.
5
NBTB
(0)
National Bit Transmit Buffer. When
one, the transmit NFAS signal origi-
nates from the transmit national bit
buffer; when zero, the transmit NFAS
signal originates from the TNU4-8
bits of page 1, address 12H.
4 - 0
Sa4 - Sa8
(00000)
A one selects the bits of the
non-frame alignment signal for a 4
kbits/sec. data link channel. Data link
(DL) selection will function in termina-
tion mode only; in transparent mode
Sa4 is automatically selected - see
MODE control bit of page 1, address
11H. If zero, the corresponding bits of
transmit non-frame alignment signal
are programmed by the non-frame
alignment control word.
Table 25 - Multiframe, National Bit Buffer and DL
Selection Word
(Page 1, Address 10H)
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參數(shù)描述
MT9079AC 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS? FAMILY Advanced Controller for E1
MT9079AE 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS? FAMILY Advanced Controller for E1
MT9079AL 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Advanced Controller for E1
MT9079AP 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Advanced Controller for E1
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