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參數(shù)資料
| 型號(hào)： | MT90870 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | Flexible 12 k Digital Switch (F12kDX) |
| 中文描述： | 靈活的12畝數(shù)字交換機(jī)（F12kDX） |
| 文件頁數(shù)： | 23/86頁 |
| 文件大?。?/td> | 2093K |
| 代理商： | MT90870 |
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MT90870
Data Sheet
23
Zarlink Semiconductor Inc.
Figure 7 - Backplane Port Timing Diagram for 2, 4, 8, 16 and 32 Mb/s stream rates
2.3 Backplane Frame Pulse Input and Master Input Clock Timing
The Backplane frame pulse (FP8i) is an 8 kHz input signal active for 122 ns or 244 ns at the frame boundary. The
FPW bit in the Control Register must be set according to the applied pulse width. See Pin Description and Table
16, Control Register Bits, for details.
The active state and timing of FP8i may conform either to the ST-BUS or to the GCI-BUS as shown in Figure 6,
Local Port Timing Diagram for 2,4,8 and 16 Mb/s stream rates, and Figure 7, Backplane Port Timing Diagram for 2,
4, 8, 16 and 32 Mb/s stream rates. The MT90869 will automatically detect whether an ST-BUS or a GCI-BUS style
frame pulse is being used for the master frame pulse (FP8i). The device will detect the frame boundary alignment
using the rising edge of the input clock (C8i), provided the C8IPOL bit in Table 16, “Control Register Bits,” on
page 52 is set to one. Before the C8IPOL bit is set to one, the frame boundary will not be detected correctly. For the
FP8i (ST-BUS)
(8.192 MHz)
7
2
3
4
5
6
1
0
0
BSTi/BSTo0-31
(16 Mb/s) ST
1
2
3
4
5
6
1
0
7
Channel 255
Channel 0
C8i (GCI)
0
BSTi/BSTo0-31
(8 Mb/s) GCI
Channel 0
3
7
6
Channel 127
5
4
(8 kHz)
(8 kHz)
FP8i (GCI)
7
BSTi/BSTo0-31
(4 Mb/s) ST
Channel 0
6
0
1
Channel 63
7
1
2
7
7
2
3
4
5
6
1 0
BSTi/BSTo0-15
(32 Mb/s) ST
Channel 0
7
2
3
4
5
6
1 0
Channel 1
2
3
1 0
7
2
3
4
5
6
1 0
Channel 511
2
3
4
5
6
1 0
Channel 510
7 6
0
0
(8.192 MHz)
C8i (ST-BUS)
0
BSTi/BSTo0-31
(2 Mb/s) GCI
Channel 0
7
Channel 31
0
7
0
5
4
3
2
1
6 7
BSTi/BSTo0-15
(32 Mb/s) GCI
Channel 0
0
5
4
3
2
1
6 7
Channel 1
5
4
6 7
0
5
4
3
2
1
6 7
Channel 511
5
4
3
2
1
6 7
Channel 510
0 1
0
5
4
3
2
1
6
7
7
BSTi/BSTo0-31
(16 Mb/s) GCI
6
5
4
3
2
1
6
7
0
Channel 255
Channel 0
7
BSTi/BSTo0-31
(8 Mb/s) ST
Channel 0
4
0
1
Channel 127
2
3
6
5
0
7
0
BSTi/BSTo0-31
(4 Mb/s) GCI
Channel 0
1
7
6
Channel 63
0
7
7
BSTi/BSTo0-31
(2 Mb/s) ST
Channel 0
0
Channel 31
7
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT90870AG | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 12K X 12K/8K X 4K 1.8V/3.3V 272BGA - Trays |
| MT90870AG2 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 12K X 12K/8K X 4K 1.8V/3.3V 272BGA - Trays |
| MT90871 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Flexible 8K Digital Switch (F8KDX) |
| MT90871AV | 制造商:Microsemi Corporation 功能描述:FLEXIBLE 8K DIGITAL 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 |
| 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 |
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