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參數(shù)資料
| 型號： | MT90820 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Large Digital Switch(大數(shù)字開關(guān)) |
| 中文描述： | 大型數(shù)字交換（大數(shù)字開關(guān)） |
| 文件頁數(shù)： | 13/33頁 |
| 文件大小： | 132K |
| 代理商： | MT90820 |
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CMOS
MT90820
13
Table 10 - Frame Alignment (FAR) Register Bits
Figure 3 - Example for Frame Alignment Measurement
Bit
Name
Description
15 - 13
Unused
Must be zero for normal operation.
12
CFE
Complete Frame Evaluation.
When CFE = 1, the frame evaluation is
completed and bits FD10 to FD0 bits contains a valid frame alignment offset.
This bit is reset to zero, when SFE bit in the IMS register is changed from 1 to
0.
11
FD11
Frame Delay Bit 11.
The falling edge of FE (or rising edge for GCI mode) is
sampled during the CLK-high phase (FD11 = 1) or during the CLK-low phase
(FD11 = 0). This bit allows the measurement resolution to 1/2 CLK cycle.
10 - 0
FD10-0
Frame Delay Bits.
The binary value expressed in these bits refers to the
measured input offset value. These bits are reset to zero when the SFE bit of
the IMS register changes from 1 to 0. (FD10 = MSB, FD0 = LSB)
Read Address:
Reset Value:
02
H
,
0000
H
.
7
6
5
4
3
2
1
0
8
9
10
11
12
13
FD0
FD1
FD2
FD3
FD4
FD5
FD6
FD7
FD8
FD9
FD10
FD11
CFE
0
0
0
14
15
ST-BUS Frame
FE Input
GCI Frame
FE Input
(FD11 = 0, sample at CLK low phase)
(FD11 = 1, sample at CLK high phase)
(FD[10:0] = 09
H
)
Offset Value
(FD[10:0] = 06
H
)
1
0
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Offset Value
1
0
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CLK
CLK
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT90820AL | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 131.072MBPS 5V 100MQFP - Trays |
| MT90820AL1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 131.072MBPS 5V 100MQFP - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH 2048X2048 100MQFP 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH 2048X2048 100MQFP |
| MT90820AP | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Large Digital Switch |
| MT90820AP1 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Large Digital Switch |
| MT90820APR | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 5V 84PLCC - Tape and Reel |
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