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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) |
| 中文描述： | 綜合數(shù)字交換機（IDX的）（集成數(shù)字開關） |
| 文件頁數(shù)： | 17/105頁 |
| 文件大?。?/td> | 334K |
| 代理商： | MT90812 |
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Advance Information
MT90812
13
address bits A6-A0, give access to the Control Registers if A9,A8,A7=111, or depending on the high order bits
A9,A8,A7, to the High or Low sections of the Connection Memory, or to the Data Memory, as shown in Table 1.
5.2
Data Memory and Connect Memory
The Data Memory and Connect Memory Map, as shown in Table 2, illustrates the direct relationship between
DM and CM for each of the channels. As described earlier in “Switching” on page 10, the data from the
incoming TDM streams are written to Data Memory and the data is switched to the outgoing streams as
programmed in CM.
Table 2 - Data Memory and Connect Memory Pages
In addition to holding the incoming data from the TDM streams, Data Memory holds the output of the other
MT90812 blocks. This is described below in the following section. Expansion Memory page is used to hold the
incoming data for the expansion bus TDM streams. Refer to “Use of Data Memory Reserved for Expansion Bus
Streams” on page 15 for further description.
Connection Memory is used to specify the source for the outgoing channels and to connect the Conference,
Energy Detect and DBRT blocks to incoming channels. In addition CM is used to specify the gain for the
outgoing streams and the gain for the tones.
5.2.1
Table 3 details the mapping for Local Data Memory. The first block of 32 locations in Data Memory is used to
store the 32 bytes of data from the STi0 stream. Locations 20-3F are used for the 32 bytes of data from the
STi1 stream. The third block of 32 locations in Data Memory is used for output of the tone generator block as
described in “Tone Generation” on page 42 The next 32-bytes consist of conference outputs(15), DCHout(1),
and some unused locations(14).
Local Data Memory
Address
A6-A0
Memory Pages
Data Memory
Pages
Connect Memory High
Pages
Connect Memory Low
Pages
Local
Memory
Page
00-1F
Sti0 32 Channels
Sto0 Outgoing Gain
Sto0 32 Channels
20-3F
Sti1 32 Channels
Sto1 Outgoing Gain
Sto1 32 Channels
40-5F
Tones(32), FSK
Tone Gain
(Not used)
60-7F
Confout(15),
unused(1)
DCHout(1)
unused(15)
Conf - Incoming Gain(15)
IT - Incoming Gain(1)
DCH - Incoming Gain(1)
EDA -Incoming Gain(1)
EDB -Incoming Gain(1)
unused(13)
Conf Incoming Channel(15)
Insertion Tone - Channel(1)
DCH Incoming Channel(1)
EDA -Incoming Channel(1)
EDB -Incoming Channel(1)
unused(13)
Expansion
Memory
Page
00-1F
Ei1 32 Channels
Ei1 Outgoing Gain
Ei1 32 Channels
20-3F
Ei2 32 Channels
Ei2 Outgoing Gain
Ei2 32 Channels
40-5F
Ei3 32 Channels
Ei3 Outgoing Gain
Ei3 32 Channels
60-7F
Ei4 32 Channels
Ei4 Outgoing Gain
Ei4 32 Channels
Address
A6-A0
Local Data Memory
Description
00-1F
Sti0 32 Channels
Sti0 32 Channels
20-3F
STi1 32 Channels
STi1 32 Channels
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相關代理商/技術參數(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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