PEB2047 Просмотр технического описания (PDF) - Siemens AG
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PEB2047 Datasheet PDF : 50 Pages
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PEB 2047
PEB 2047-16
4. Determine the constant M.
The value for M can be determined by selecting the corresponding row in the table below (a, b
or c) for your configuration.
e.g. for a 4 Mbit/s input- /output- data stream with 8 MHz device clock row a) has to be selected.
The table delivers the value M = 1.
The Constant M for Different Data Rates…
Input Data Rate
Output Data Rate Device
M
[Mbit/s]
[Mbit/s]
CLK [MHz]
a) 2, 4
2
4
1
4, 8
4
8
b) 2, 4
4
4
2
4, 8
8
8
2
4
8
4, 8, 16
8
16
c) 2, 4
8
8
4
4, 8, 16
16
16
5. Determine the constant K.
The value for K can be determined by selecting the corresponding row in the table below (a, b or
c) for your configuration.
e.g. for a 4 Mbit/s input- /output- data stream with 8 MHz device clock row a) has to be selected
and the table delivers the value K = 1.
Input
Data Rate
[Mbit/s]
a) 2
2
4
4
b) 4
8
8
c) 16
Output
Data Rate
[Mbit/s]
2, 4
4, 8
4, 8
8, 16
2, 4
4, 8
8, 16
8, 16
Device CLK
[MHz]
4
8
8
16
4
8
16
16
Number of Input TS [K]
Sampled at the same Time
1
2
4
Semiconductor Group
45
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