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參數(shù)資料
| 型號(hào)： | 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(jī)（IDX的）（集成數(shù)字開關(guān)） |
| 文件頁數(shù)： | 58/105頁 |
| 文件大?。?/td> | 334K |
| 代理商： | MT90812 |
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MT90812
Advance Information
54
22.2
Control Register (CTL)
The Control register (CTL) selects Data/Connection Memory and defines Expansion bus position.
Read/Write Address is: 001
H
Reset Value is: 00
H
Bit
Name
Description
7
-
Unused
.
6
Serial
Stream
Output
Enable
Output enable for the serial outputs
. If this input is low, STo0, STo1, EST0, EST1 are
high impedance. If this input is high, each channel may still be put into high impedance
state by using per channel control bit in the Connection Memory.
5
Message
Mode
When 1, the contents of the Connection Memory Low are output on the Serial Output
stream except when the OE bit in CMH for the corresponding channels is low or the
ODE pin is low. When 0, the Connection Memory bits for each channel determine what
is output.
4
EBM
EBUS Mode select
. Selects IDX Link Mode if low or TDM Link mode if high.
3
FMAT
PCM format select
. Selects CCITT PCM coding if high, or SIGN MAGNITUDE PCM if
low.
2
Alaw/
μ
law
Companding Law selection
. A-Law is selected when high.
μ
-Law is selected when
low.
1 - 0
EBUS
Position /
EBUS Data
Rate
When EBUS is in IDX Link Mode, EP0 and EP1 define the sequence of channels on the
expansion bus with respect to the frame pulse. (The four positions are shown as A to D
in Figure 7 on page 9)
00 selects the output to be the first of every four channels.
01 selects the output to be the second of every four channels.
10 selects the output to be the third of every four channels.
11 selects the output to be the fourth of every four channels.
When EBUS is in TDM Link mode, EP0 and EP1 define the data rate of the expansion
bus.
00 = 2.048 Mb/s.
01 = 4.096 Mb/s.
10 = 8.192 Mb/s.
The clock rate is determined by the Clock mode selected by bits CR1-0 in the Timing
Control Register (TC). Refer to description in “Timing and Clock Control” starting on
page 24.
7
6
5
4
3
2
1
0
EP0
EP1
A/U
EBM
MSG
STOE
-
FMAT
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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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