L64704 LSI Logic Corporation, L64704 Datasheet - Page 5

• Manufacturer Part Number: L64704
• Description: Satellite Decoder Technical Manual 5/97
• Manufacturer: LSI Logic Corporation

Chapter 4
Chapter 5
May 1997
Channel Interfaces and Data Control
4.1
4.2
4.3
4.4
4.5
Demodulator Module Functional Description
5.1
5.2
5.3
5.4
5.5
Contents
Rev. letter
3.6.24
3.6.25
3.6.26
3.6.27
3.6.28
3.6.29
3.6.30
3.6.31
Data Control and Clocking Schemes
Channel Data Input Interface
Channel Data Output Interface
PLL Clock Generation
Data Path Output Configurations
4.5.1
4.5.2
4.5.3
4.5.4
4.5.5
4.5.6
4.5.7
4.5.8
Overview
DC Offset Compensation and Coupling to ADC Output
Decimation Filters
Matched Filter
Channel Clock Recovery
5.5.1
5.5.2
Group 4, APR 27 Carrier Lock Detector Threshold 3-43
Group 4, APR 28 Carrier Synchronizer Sweep
Rate
Group 4, APR 29, 30 Carrier Synchronizer Sweep
Upper Limit
Group 4, APR 31, 32 Carrier Synchronizer Sweep
Lower Limit
Group 4, APR 33 Carrier Loop Configuration
Register
Group 4, APR 34 Set to 0
Group 4, APR 35 Decoder Configuration Register 3-49
Group 4, APR 36 External Output Control Bits
and Reset Register
Descrambler Output
Synchronization Stage 3 Output
Reed-Solomon Decoder Output
Deinterleaver Output
Synchronization Stage 2 Output
Viterbi Decoder Output
Viterbi Depuncture/Synchronization Output
QPSK Demodulator Output
Input Decimation
Clock Acquisition and Tracking Modes
Copyright © 1995, 1996, 1997 by LSI Logic Corporation. All rights reserved.
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4-17
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4-18
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4-2
4-4
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5-1
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