User Manuals: LSI L64777 DVB QAM Modulator

Manuals and User Guides for LSI L64777 DVB QAM Modulator. We have 1 LSI L64777 DVB QAM Modulator manual available for free PDF download: Technical Manual

LSI L64777 Technical Manual (124 pages)

DVB QAM Modulator

Brand: LSI | Category: Modulator | Size: 0 MB

Table of Contents
5
Introduction
11
Overview
11
Operating Environment
12
L64777 Operating Environment
12
Modulator Architecture
15
Introduction
16
PLL Modes
18
PLL Mode
18
PLL Mode
19
Phase and Frequency Detection with an External VCO
19
I/O
20
Input
20
Output Signals
20
Analog I/Q Output Interface Diagram
21
Control Interface
22
Serial Microprocessor Interface
24
Input Synchronization
24
FIFO Clock Conversion
26
Sync Acquisition Phase
27
Sync Tracking Phase
28
FIFO Clock Conversion
30
Sync/Ef Reinsertion Unit
31
Sync Insertion Mode
32
Error Flag Insertion
32
Energy Dispersal (Scrambler) Unit
32
Transport Error Flag Insertion
32
Reed-Solomon Encoder
34
Forward Error Correction (FEC)
35
Error Handling and Correction
36
Forward Error Correction Data Path
36
Convolutional Interleaver
37
Data Path
37
Bytes to M-Tuples Converter
38
Byte to Symbol Conversion
39
Differential Encoder and QAM Mapping
40
Square Root Nyquist Filter
41
Filter Setup Procedure
43
Example
44
Allocation of Coefficient-Bits for Phase
44
Default Filter Characteristics
48
Global Control and PLL Module
48
Numerically Controlled Oscillator (NCO)
49
Acquisition Phase Using the Frequency Measurement Unit
50
Autoacquisition Mode
52
Frequency Acquisition Loop Overview
52
Regulation Phase
53
Interpolator
53
Serial Microprocessor Interface
54
Serial Bus Base Address
54
Test Unit
55
Transport Interface
57
Synchronization
57
Synchronization Methods
58
Transport Error Indicator Handling
58
Serial Control Interface
58
Analog Output Interface
59
Analog I/Q Output Interface Diagram
60
Digital Output Interface
62
Register Descriptions
63
Group 2 General-Purpose Registers
63
Group 2 Bit Allocation
64
Register
66
Register
67
Register
68
Registers 7 and
70
Registers 9 and
70
Register
71
NCO-Related Registers
72
Register
72
Register
73
Register
74
Registers 16, 17, and
75
Registers 19 and
75
Registers 21 and
76
Registers 23 and
76
Register
76
Registers 26, 27, and
76
Registers 29, 30, and
77
Registers 32, 33, and
77
Registers 35, 36, and
77
Registers 38 and
78
Register
78
Register
79
Overview
81
Logic Symbol for the L64777
82
MPEG Transport Stream Multiplexer Signals
83
Status Information Signals
84
Test Signals
85
Control Signals
86
External PLL Signals
86
Analog QAM Signals
87
Serial Microprocessor Interface Signals
88
AC/DC Specifications
91
Electrical Ratings
91
L64777 Absolute Maximum Ratings
92
L64777 Recommended Operating Conditions
92
AC Timing Diagrams for L64777
93
TS Input Timing
93
L64777 DC Characteristics
93
L64777 Bus 3-State Delay Timing
94
L64777 Preliminary Timing Parameters
94
Pin Descriptions and Lists
95
L64777 Electrical Pin Descriptions
95
Numerical Pin List for the L64777
98
L64777 Numerical Pin List
98
Alphabetic Pin List for the L64777
99
L64777 Alphabetical Pin List
99
Package Pinout
100
Programming the L64777 in Serial Host Interface Mode
103
Serial Bus Protocol Overview
103
Serial Bus Write/Read Cycle
105
Programming the Slave Address Using the Serial Bus Interface
106
Write Cycle Using the Serial Bus Interface
106
Read Cycle Using the Serial Bus Interface
107
Burst Write to Slave (Master-Transmitter, Slave-Receiver
107
Limitations
109
Single Read from Slave
109
Overview
111
PLL Divider Settings and L64724/34 Connection
112
PLL Driver Settings for Typical Applications
112
Typical Settings of CNT_I and CNT_O
112
Connecting the L64777 to the LSI Logic L64724
113
Monitoring Device Internal Signals
115
Customer Feedback
117

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User Manuals: LSI L64777 DVB QAM Modulator

LSI L64777 Technical Manual (124 pages)

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