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參數(shù)資料
| 型號(hào)： | MT90871AV |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 路由/交換 |
| 英文描述： | Flexible 8K Digital Switch (F8KDX) |
| 中文描述： | TELECOM, DIGITAL TIME SWITCH, PBGA196 |
| 封裝： | 15 X 15 MM, 1 MM PITCH, LBGA-196 |
| 文件頁(yè)數(shù)： | 25/65頁(yè) |
| 文件大?。?/td> | 639K |
| 代理商： | MT90871AV |
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Data Sheet
MT90871
25
Zarlink Semiconductor Inc.
Figure 15 - Constant Switch Delay: Examples of different stream rates and routing
6.0
Connection Memory Description
The MT90871 incorporates two connection memories, Local Connection Memory and Backplane Connection
Memory.
6.1
Local Connection Memory
The Local Connection Memory (LCM) is 16-bit wide with 4,096 memory locations to support the Local output
port. The most significant bit of each word, bit [15], selects the source stream from either the Backplane or the
Local port and determines the Backplane-to-Local or Local-to-Local data routing. Bits [14:13] select the control
modes of the Local output streams, namely the per-channel message and the per-channel high impedance
output control modes. In Connection Mode (Bit14 = LOW), Bits [12:0] select the source stream and channel
number as detailed in
Table 4
. In Message Mode (Bit14 = HIGH), Bits [12:8] are unused and Bits [7:0] contain
the message byte to be transmitted.
CH
CH
0
CH
1
CH
CH
CH
CH
CH
0
CH
1
CH
0
CH
1
CH
BSTi0
(16Mb/s)
FP8o
CH
CH
0
CH
1
CH
CH
CH
CH
CH
0
CH
1
CH
0
CH
1
CH
BSTo1
(16Mb/s)
Frame N
Frame N+3
Frame N+4
CH
0
CH
CH
CH
0
CH
0
CH
BSTi0
(8Mb/s)
CH
0
CH
CH
CH
0
CH
0
CH
LSTo1
(8Mb/s)
CH
0
CH
CH
CH
0
CH
0
CH
LSTi0
(8Mb/s)
CH
0
63
63
CH
0
CH
0
63
BSTo1
(4Mb/s)
CH
0
CH
CH
CH
0
CH
0
CH
LSTi0
(8Mb/s)
CH
0
31
31
CH
0
CH
0
31
LSTo1
(2Mb/s)
Example showing Local to Local switching
Example showing Local to Backplane switching
Example showing Backplane to Local switching
Example showing Backplane to Backplane switching
Frames N+1 and N+2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT90871 | Flexible 8K Digital Switch (F8KDX) |
| MT90883 | TDM to Packet Processors |
| MT91600 | Programmable SLIC |
| MT91600AN | Programmable SLIC |
| MT91600AN1 | Programmable SLIC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT90871AV2 | 制造商:Microsemi Corporation 功能描述:PB FREE FLEXIBLE 8K DIGITAL SWITCH - Bulk 制造商:Microsemi Corporation 功能描述:IC, TDM SWITCH 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH F8KDX 196PBGA 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH F8KDX 196PBGA |
| MT90880 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:TDM to Packet Processors |
| MT90880B | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:TDM to Packet Processors |
| MT90880B/IG | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:TDM to Packet Processors |
| MT90880BP1N | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:TDM to Packet Processors |
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