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參數(shù)資料
| 型號： | MT8950AC |
| 廠商： | Mitel Networks Corporation |
| 元件分類： | Codec |
| 英文描述： | ISO-CMOS ST-BUS⑩ FAMILY Data Codec |
| 中文描述： | 異意法半導(dǎo)體的CMOS總線⑩系列數(shù)據(jù)編解碼器 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 223K |
| 代理商： | MT8950AC |
ISO-CMOS
MT8950
6-7
Figure 3 - TEM Coding Scheme
(Note: Waveforms shown are bipolar RZ equivalent of separate RZ/NRZ inputs)
Table 2. TEM Coding Summary
Note: The Level bit (b7) indicates the level (HIGH or LOW) of the input data in timeslot 31 of the current frame.
#
Frame
Description
Level
b7
Frame Type
b6 b5
First Transition
b4 b3 b2 b1 b0
Notes
1
No Pulse
1/0
1 1
1 1 1 1 1
2
2 Data Pulses (T=52 μs)
1/0
1 1
X X X X X
X X X X X
≤
10001 (17)
3
3 Data Pulses (T=52 μs)
1/0
1 1
X X X X X
X X X X X
≤
00100 (4)
4
1 Data Pulse
1/0
1 0
X X X X X
X X X X X = 0 to 31
5
Violation Pulse
1/0
1 0
X X X X X
X X X X X = 0 to 31
6
2 Data Pulses (T=104 μs)
(Timeslot 4 to 31)
1/0
0 1
X X X X X
X X X X X > 00011 (3)
7
2 Data Pulses (T=104 μs)
(Timeslot 0 to 3)
1/0
0 0
Y Y Y X X
XX = 0 to 3
YYY = 0 to 7
b
4
b
3
b
2
b
1
b
0
b
4
b
3
b
2
b
1
b
0
b
4
b
3
b
2
b
1
b
0
b
4
b
3
b
2
b
1
b
0
b
4
b
3
b
2
b
1
b
0
b
1
b
0
b
4
b
3
b
2
b
4
b
3
b
2
b
1
b
0
=11111
125
μ
s
24 25 26 27 28 29 30 31
0
23
22
0
1
2
3
4
5
6
7
8
9
10
Internal
Clock
b7
0
b7
-1
Frame Type
b6
1
b5
1
1
1
1
1
1
0
1
0
0
1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
#
1
2
3
4
5
6
7
0
1
2
3
4
0
1
2
3
4
5
6
7
of seven frames types are possible as shown in
Figure 3. In frame type 7, the first five bits (b0 to b4)
are used to represent two transitions instead of the
normal first transition. Note that the data transitions
in Figure 3 are shown as a three level signal. A
positive transition indicates the beginning of one or
more continuous MARKs and a negative transition
indicates the beginning of one or more continuous
SPACEs.
The decoder stage regenerates the original data
from the 8 bit TEM word. The absolute values of the
data signal in the present and previous frames as
given by b7(n) and b7(n-1) are EX-ORed and the
result in combination with the remaining bits of the
TEM word is used to reproduce the original data with
an accuracy of ± 3.906μs (see Table 2). Due to the
data speed restriction above 8 kbps, the second and
third transitions (if any) will be reproduced at
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8952BC | ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
| MT8952BE | ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
| MT8952BP | ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
| MT8952BS | ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
| MT8952 | ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8952 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
| MT8952B | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
| MT8952B-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
| MT8952BC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
| MT8952BE | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY HDLC Protocol Controller |
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