L64777 LSI Logic Corporation, L64777 Datasheet - Page 5

• Manufacturer Part Number: L64777
• Description: DVB Qam Modulator
• Manufacturer: LSI Logic Corporation

Chapter 1
Chapter 2
Contents
Introduction
1.1
1.2
Modulator Architecture
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
Contents
Overview
Operating Environment
Introduction
PLL Modes
2.2.1
2.2.2
I/O
2.3.1
2.3.2
2.3.3
2.3.4
Input Synchronization
2.4.1
2.4.2
FIFO Clock Conversion
Sync/EF Reinsertion Unit
2.6.1
2.6.2
2.6.3
Reed-Solomon Encoder
2.7.1
2.7.2
Convolutional Interleaver
Bytes to M-tuples Converter
Differential Encoder and QAM Mapping
Square Root Nyquist Filter
PLL Mode 1
PLL Mode 2
Input
Output Signals
Control Interface
Serial Microprocessor Interface
Sync Acquisition Phase
Sync Tracking Phase
Sync Insertion Mode
Error Flag Insertion
Energy Dispersal (Scrambler) Unit
Forward Error Correction (FEC)
Error Handling and Correction
2-10
2-10
2-13
2-14
2-16
2-17
2-18
2-18
2-18
2-20
2-21
2-22
2-23
2-24
2-26
2-27
1-1
1-2
2-2
2-4
2-4
2-5
2-6
2-6
2-6
2-8
v