L64704 LSI Logic Corporation, L64704 Datasheet - Page 137
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L64704
Manufacturer Part Number
L64704
Description
Satellite Decoder Technical Manual 5/97
Manufacturer
LSI Logic Corporation
Datasheet
1.L64704.pdf
(220 pages)
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6.3
Reed-Solomon
Deinterleaver
Synchronization
Figure 6.4
Reed-Solomon,
Deinterleaver
Synchronization
Configuration Parameters
Sync Word
M, N, L, K
Data Stream
MC,
LSC
This section describes the second synchronization stage; Reed-Solomon
Deinterleaver synchronization. In the second synchronization stage, the
decoder searches the data stream for a pre-defined sync word to deter-
mine the in-sync or out-of-sync condition.
Solomon Deinterleaver synchronization process.
Figure 6.5
decoder determines synchronization, tracking, and loss of synchroniza-
tion in this stage.
Reed-Solomon Deinterleaver Synchronization
Bit Stream
Monitor
shows an example state diagram that outlines how the
Decision Logic
Deinterleaver
Module
Sync Strobes
Figure 6.4
Reed-Solomon
Decoder
Module
illustrates the Reed-
6-5
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