參數(shù)資料
型號(hào)： MT90820
廠商： Zarlink Semiconductor Inc.
英文描述： Large Digital Switch
中文描述： 大型數(shù)字開關(guān)
文件頁(yè)數(shù)： 15/37頁(yè)
文件大?。?/td> 573K
代理商： MT90820
MT90820
Data Sheet
15
Zarlink Semiconductor Inc.
Table 8 - Interface Mode Selection (IMS) Register Bits
Table 9 - Serial Data Rate Selection (16 input x 16 output)
3
OSB
Output Stand By.
When ODE = 0 and OSB = 0, the output drivers of STo0 to STo15 are in
high impedance mode. When ODE = 0 and OSB = 1, the output driver of STo0 to STo15
function normally. When ODE = 1, STo0 to STo15 output drivers function normally.
2
SFE
Start Frame Evaluation.
A zero to one transition in this bit starts the frame evaluation
procedure. When the CFE bit in the FAR register changes from zero to one, the evaluation
procedure stops. To start another frame evaluation cycle, set this bit to zero for at least one
frame.
1 - 0
DR1-0
Data Rate Select.
Input/Output data rate selection. See Table 9 for detailed programming.
DR1
DR0
Data Rate Selected
Master Clock Required
0
0
2.048 Mb/s
4.096 MHz
0
1
4.096 Mb/s
8.192 MHz
1
0
8.192 Mb/s
16.384 MHz
1
1
Reserved
Reserved
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.
Bit
Name
Description
Read/Write Address:
Reset Value:
01
H
,
0000
H
.
7
6
5
4
3
2
1
0
8
9
10
11
12
13
DR0
DR1
BPD
1
BPD
2
BPD
3
0
14
15
BPD
0
0
BPD
4
BPE
OSB
SFE
0
0
0
0
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
相關(guān)PDF資料
PDF描述
MT90820AL Large Digital Switch
MT90820AL1 Large Digital Switch
MT90823AL1 3V Large Digital Switch
MT90823 3V Large Digital Switch
MT90823AB 3V Large Digital Switch
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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