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參數(shù)資料
| 型號： | MT8910-1AP |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | CMOS ST-BUS⑩ FAMILY Digital Subscriber Line Interface Circuit |
| 中文描述： | 意法半導(dǎo)體的CMOS總線⑩家庭數(shù)字用戶線接口電路 |
| 文件頁數(shù)： | 10/26頁 |
| 文件大?。?/td> | 419K |
| 代理商： | MT8910-1AP |
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MT8910-1
Preliminary Information
9-12
the superframe position. This function can also be
activated in software (LT mode only) through a bit in
Control Register 1 (TxSFB). The transition of this bit
from a 1 to a 0 will reset the superframe counter, and
the beginning of the transmitted superframe will be
referenced to the ST-BUS frame after the frame in
which the transition in the TxSFB bit occurred.
In the NT mode, the SFb pin is an output which
generates an active low signal at the boundary of the
transmit superframe. Since the SFb is referenced to
the receive time base, SFb is only valid after
superframe synchronization has been achieved. In
the NT mode, the TxSFB bit is ignored since the
transmit superframe has a fixed phase relationship
with respect to the received superframe.
The MT8910-1 has two possible system port
configurations; single port mode or dual port mode.
In the single port mode, the MT8910-1 uses the first
four timeslots of the DSTi and DSTo data streams
(as shown in Figure 8). ST-BUS Channel 0 is
allocated to the D-channel, ST-BUS Channel 1 to the
C-channel, while ST-BUS Channel 2 and 3 are
Figure 8 - ST-BUS Channel Assignments in Single Port Mode
Figure 9 - ST-BUS Channel Assignment in Dual Port Mode
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F0b
C4b
DSTo
DSTi
F0od
D
0
D
1
D
0
D
1
C
7
C
6
C
1
C
0
B
7
B
6
B
1
B
0
C
7
C
6
C
1
C
0
B
7
B
6
B
1
B
0
D
0
D
0
B
7
B
6
B
7
B
6
B
1
B
0
B
1
B
0
Channel Time 0
D-Channel
Channel Time 1
C-Channel
Channel Time 2
B1-Channel
Channel Time 3
B2-Channel
15.6
μ
sec
Reserved
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A
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F0b
C4b
DSTi
CDSTi
DSTo
CDSTo
F0od
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B
6
B
5
B
4
B
3
B
2
B
1
B
0
C
7
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3
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2
C
1
C
0
B
7
B
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3
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2
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1
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0
C
7
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3
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2
C
1
C
0
B
7
B
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B
5
B
4
B
3
B
2
B
1
B
0
B
7
B
6
B
5
B
4
B
3
B
2
B
1
B
0
D
0
D
1
D
0
D
1
C
7
B
7
C
7
B
7
3.9
μ
sec
62.5
μ
sec
125
μ
sec
Channel Time 0
Channel Time 16
Reserved
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8920 | ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8920B | ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8920B-1 | ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8920BC | ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8920BE | ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8920 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8920AE | 制造商:Mitel Networks Corporation 功能描述: |
| MT8920B | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8920B-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8920BC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
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