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)： 50/120頁(yè)
文件大?。?/td> 362K
代理商： MT9074
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MT9074
Advance Information
50
o
Bit
Name
Functional Description
7-5
- - -
Unused
.
4
LCDIM
Loop Code Detected Interrupt
Mask
.
When
interrupt is triggered when either
the loop up (00001) or loop down
(001) code has been detected on
the line for a period of 48
milliseconds. If 1 - unmasked, 0 -
masked.
unmasked
an
3
1SECIM
One Second Status Interrupt
Mask.
When
interrupt is initiated when the
1SEC status bit (page 3 address
12H bit 7) goes from low to high.
If 1 - unmasked, 0 - masked.
unmasked
an
2
5SECIM
Five Second Status Interrupt
Mask
.
When
interrupt is initiated when the 5
SEC status bit goes from low to
high. If 1 - unmasked, 0 -
masked.
unmasked
an
1
BIOMIM
Bit
Interrupt
unmasked an interrupt is initiated
when
a
111111110xxxxxx0
received on the FDL that is
different from the last message.
The new message must persist
for 8 out the last 10 message
positions to be accepted as a
valid
new
message.
unmasked, 0 - masked.
Oriented
Message
When
Mask
.
pattern
been
has
If
1-
0
SIGIM
Signalling
When unmasked an interrupt will
be initiated when a change of
state (optionally debounced - see
DBEn in the Data Link, Signalling
Control Word page 1 address
12H) is detected in the signalling
bits (AB or ABCD) pattern. If 1 -
unmasked, 0 - masked.
Interrupt
Mask.
Table 35 - Interrupt Mask Word Three (T1)
(Page 1, Address 1EH)
Bit
Name
Functional Description
7
NRZ
NRZ Format Selection
. Only
used in the digital framer only
mode (LIU is disabled). A one sets
the MT9074 to accept a unipolar
NRZ format input stream on RxA
as the line input, and to transmit a
unipolar NRZ format stream on
TxB. A zero causes the MT9074 to
accept a complementary pair of
dual rail inputs on RxA/RxB and to
transmit a complementary pair of
dual rail outputs on TxA/TxB.
6 -
4
TXL2-0
Transmit Line Build Out 2 - 0
.
Setting these bits shapes the
transmit pulse as detailed in the
table below:
TX22 TXL1 TXL0 Line Build Out
0 0 0 0 to 133 feet/ 0 dB
0 0 1 133 to 266 feet
0 1 0 266 to 399 feet
0 1 1 399 to 533 feet
1 0 0 533 to 655 feet
1 0 1 -7.5 dB
1 1 0 -15 dB
1 1 1 -22.5 dB
After reset these bits are zero.
3
REDBL
Receive Equalizer Disable
. If one
the receive equalizer is turned off.
If zero, the receive equalizer is
turned on and will compensate for
loop length automatically.
2-0
RES2-0
Receive
Setting these pins forces a level of
equalization of the incoming line
data.
RES2
RES1
Equalization
0 0 0 none
0 0 1 6dB
0 1 0 12dB
0 1 1 18dB
1 0 0 24dB
1 0 1 reserved
1 1 0 reserved
1 1 1 reserved
These settings have no effect if
REDBL is set to zero.
Equalization
Select
.
RES0
Receive
Table 36 - LIU Control Word (T1)
(Page 1, Address 1FH)
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(chēng):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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