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參數(shù)資料
| 型號： | MT90812 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Integrated Digital Switch (IDX)(集成數(shù)字開關(guān)) |
| 中文描述： | 綜合數(shù)字交換機（IDX的）（集成數(shù)字開關(guān)） |
| 文件頁數(shù)： | 22/105頁 |
| 文件大?。?/td> | 334K |
| 代理商： | MT90812 |
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MT90812
Advance Information
18
timeslots, where IDX A can either write to EST0 and EST1 during these channels or place EST0 or EST1 in
high impedance.
Figure 12 - Data Memory Assignment for Expansion Bus Timeslots for EP1,EP0 = 00
6.0
Conferencing
The conference block provides conference call capability in the MT90812 and supports a total of 15 parties,
distributed over a maximum of 5 conferences. (i.e. 1x15 parties, 3x5 parties, 5x3 parties etc.). A/m-Law
companded data from an incoming channel is converted to linear format, applied incoming gain, processed by
a dedicated arithmetic unit, applied outgoing conference gain and stored in Data Memory in linear format. The
output signal contains all the information of each channel connected in conference except its own.
For each of the 15 conference parties there is a Conference Party Control Register. The
Conference Party
Control Register
contains the conference ID, start bit, insertion tone enable and outgoing channel attenuation.
Refer to “Conference Party Control Register (CPC1-15)” on page 65.
The output for each conference is stored in 1 of 15 Data Memory locations which can be switched to any
outgoing channel. For each of the 15 DM locations the corresponding Connect Memory Low byte is used to
specify the incoming source channel.
The conference circuit incoming channels are specified in CML 60-6E. The incoming conference gain,
inversion bit and noise suppression are specified in CMH. Message mode, Minimum or Constant Delay and
Output Enable are not used for locations 60-6E reserved for conference control. See the description of
“Connection Memory High” on page 50. Channels are transferred from Data Memory with Constant Delay to
the conference circuit.
Expansion Bus
Data Memory
Hex
A6-A0
00
01
-
1F
20
21
-
3F
40
41
-
5F
60
61
-
7F
DM
EA1
EA2
-
EA32
EB1
EB2
-
EB32
EC1
EC2
-
EC32
ED1
ED2
-
ED32
EST0
A1
B1
C1
D1
A2
B2
C2
D2
EST1
A1
B1
C1
D1
A2
B2
C2
D2
FP
.
Expansion Bus
Connect Memory
Hex
A6-A0
00
01
-
1F
20
21
-
3F
40
41
-
5F
60
61
-
7F
CM
EA1
EA2
-
EA32
EB1
EB2
-
EB32
EC1
EC2
-
EC32
ED1
ED2
-
ED32
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT90812AL | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 192 X 192 16.384MBPS 5V 64MQFP - Trays 制造商:Zarlink Semiconductor Inc 功能描述:SWIT FABRIC 192 X 192 16.384MBPS 5V 64MQFP - Trays |
| MT90812AL1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 192 X 192 16.384MBPS 5V 64MQFP - Trays 制造商:Microsemi Corporation 功能描述:PB FREE INTEGRATED DIGITAL SWITCH |
| MT90812AP | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Integrated Digital Switch (IDX) |
| MT90812AP1 | 制造商:Zarlink Semiconductor Inc 功能描述:SWIT FABRIC 192 X 192 16.384MBPS 5V 68PLCC /BAKE/DRYPACK - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:INTEGRATED DIGITAL SWCH |
| MT90812APR | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 192 X 192/64 X 64 1.048GBPS 5V 68PLCC - Tape and Reel |
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