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Электронный компонент: MSP3450G

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MSP 34x0G
Multistandard
Sound Processor Family
Edition May 27, 2003
6251-476-1DS
DATA SHEET
MICRONAS
MICRONAS
2
May 27, 2003; 6251-476-1DS
Micronas
Contents
Page
Section
Title
MSP 34x0G
DATA SHEET
6
1.
Introduction
7
1.1.
Features of the MSP 34x0G Family
7
1.2.
MSP 34x0G Version List
8
1.3.
MSP 34x0G Versions and their Application Fields
9
2.
Functional Description
10
2.1.
Architecture of the MSP 34x0G Family
10
2.2.
Sound IF Processing
10
2.2.1.
Analog Sound IF Input
10
2.2.2.
Demodulator: Standards and Features
11
2.2.3.
Preprocessing of Demodulator Signals
11
2.2.4.
Automatic Sound Select
11
2.2.5.
Manual Mode
11
2.3.
Preprocessing for SCART and I
2
S Input Signals
13
2.4.
Source Selection and Output Channel Matrix
13
2.5.
Audio Baseband Processing
13
2.5.1.
SRS WOW
13
2.5.2.
BBE High Definition Sound
13
2.5.3.
Micronas VOICE
14
2.5.4.
Automatic Volume Correction (AVC)
14
2.5.5.
Loudspeaker and Headphone Outputs
14
2.5.6.
Subwoofer Output
15
2.5.7.
Quasi-Peak Detector
15
2.5.8.
Micronas BASS (MB)
15
2.5.8.1.
Dynamic Amplification
15
2.5.8.2.
Adding Harmonics
15
2.5.8.3.
Micronas BASS Parameters
15
2.6.
SCART Signal Routing
15
2.6.1.
SCART DSP In and SCART Out Select
16
2.6.2.
Stand-by Mode
16
2.7.
I
2
S Bus Interface
16
2.8.
ADR Bus Interface
16
2.9.
Digital Control I/O Pins and Status Change Indication
16
2.10.
Clock PLL Oscillator and Crystal Specifications
17
3.
Control Interface
17
3.1.
I
2
C Bus Interface
17
3.1.1.
Internal Hardware Error Handling
18
3.1.2.
Description of CONTROL Register
18
3.1.3.
Protocol Description
19
3.1.4.
Proposals for General MSP 34x0G I
2
C Telegrams
19
3.1.4.1.
Symbols
19
3.1.4.2.
Write Telegrams
19
3.1.4.3.
Read Telegrams
19
3.1.4.4.
Examples
19
3.2.
Start-Up Sequence: Power-Up and I
2
C-Controlling
19
3.3.
MSP 34x0G Programming Interface
Contents, continued
Page
Section
Title
Micronas
May 27, 2003; 6251-476-1DS
3
DATA SHEET
MSP 34x0G
19
3.3.1.
User Registers Overview
23
3.3.2.
Description of User Registers
24
3.3.2.1.
STANDARD SELECT Register
24
3.3.2.2.
Refresh of STANDARD SELECT Register
24
3.3.2.3.
STANDARD RESULT Register
26
3.3.2.4.
Write Registers on I
2
C Subaddress 10
hex
28
3.3.2.5.
Read Registers on I
2
C Subaddress 11
hex
29
3.3.2.6.
Write Registers on I
2
C Subaddress 12
hex
42
3.3.2.7.
Read Registers on I
2
C Subaddress 13
hex
43
3.4.
Programming Tips
43
3.5.
Examples of Minimum Initialization Codes
43
3.5.1.
B/G-FM (A2 or NICAM)
43
3.5.2.
BTSC-Stereo
43
3.5.3.
BTSC-SAP with SAP at Loudspeaker Channel
44
3.5.4.
FM-Stereo Radio
44
3.5.5.
Automatic Standard Detection
44
3.5.6.
Software Flow for Interrupt driven STATUS Check
46
4.
Specifications
46
4.1.
Outline Dimensions
51
4.2.
Pin Connections and Short Descriptions
54
4.3.
Pin Descriptions
57
4.4.
Pin Configurations
60
4.5.
Pin Circuits
62
4.6.
Electrical Characteristics
62
4.6.1.
Absolute Maximum Ratings
64
4.6.2.
Recommended Operating Conditions
64
4.6.2.1.
General Recommended Operating Conditions
65
4.6.2.2.
Analog Input and Output Recommendations
66
4.6.2.3.
Recommendations for Analog Sound IF Input Signal
67
4.6.2.4.
Crystal Recommendations
68
4.6.3.
Characteristics
68
4.6.3.1.
General Characteristics
69
4.6.3.2.
Digital Inputs, Digital Outputs
70
4.6.3.3.
Reset Input and Power-Up
71
4.6.3.4.
I
2
C-Bus Characteristics
72
4.6.3.5.
I
2
S-Bus Characteristics
74
4.6.3.6.
Analog Baseband Inputs and Outputs, AGNDC
75
4.6.3.7.
Sound IF Inputs
75
4.6.3.8.
Power Supply Rejection
76
4.6.3.9.
Analog Performance
79
4.6.3.10.
Sound Standard Dependent Characteristics
4
May 27, 2003; 6251-476-1DS
Micronas
Contents, continued
Page
Section
Title
MSP 34x0G
DATA SHEET
83
5.
Appendix A: Overview of TV-Sound Standards
83
5.1.
NICAM 728
84
5.2.
A2-Systems
85
5.3.
BTSC-Sound System
85
5.4.
Japanese FM Stereo System (EIA-J)
86
5.5.
FM Satellite Sound
86
5.6.
FM-Stereo Radio
87
6.
Appendix B: Manual/Compatibility Mode
87
6.1.
Demodulator Write and Read Registers for Manual/Compatibility Mode
88
6.2.
DSP Write and Read Registers for Manual/Compatibility Mode
89
6.3.
Manual/Compatibility Mode: Description of Demodulator Write Registers
89
6.3.1.
Automatic Switching between NICAM and Analog Sound
89
6.3.1.1.
Function in Automatic Sound Select Mode
89
6.3.1.2.
Function in Manual Mode
91
6.3.2.
A2 Threshold
91
6.3.3.
Carrier-Mute Threshold
92
6.3.4.
Register AD_CV
93
6.3.5.
Register MODE_REG
95
6.3.6.
FIR-Parameter, Registers FIR1 and FIR2
95
6.3.7.
DCO-Registers
97
6.4.
Manual/Compatibility Mode: Description of Demodulator Read Registers
97
6.4.1.
NICAM Mode Control/Additional Data Bits Register
97
6.4.2.
Additional Data Bits Register
97
6.4.3.
CIB Bits Register
98
6.4.4.
NICAM Error Rate Register
98
6.4.5.
PLL_CAPS Readback Register
98
6.4.6.
AGC_GAIN Readback Register
98
6.4.7.
Automatic Search Function for FM-Carrier Detection in Satellite Mode
99
6.5.
Manual/Compatibility Mode: Description of DSP Write Registers
99
6.5.1.
Additional Channel Matrix Modes
99
6.5.2.
Volume Modes of SCART1/2 Outputs
99
6.5.3.
FM Fixed Deemphasis
99
6.5.4.
FM Adaptive Deemphasis
100
6.5.5.
NICAM Deemphasis
100
6.5.6.
Identification Mode for A2 Stereo Systems
100
6.5.7.
FM DC Notch
100
6.6.
Manual/Compatibility Mode: Description of DSP Read Registers
100
6.6.1.
Stereo Detection Register for A2 Stereo Systems
100
6.6.2.
DC Level Register
101
6.7.
Demodulator Source Channels in Manual Mode
101
6.7.1.
Terrestric Sound Standards
101
6.7.2.
SAT Sound Standards
101
6.8.
Exclusions of Audio Baseband Features
101
6.9.
Compatibility Restrictions to MSP 34x0D
Contents, continued
Page
Section
Title
Micronas
May 27, 2003; 6251-476-1DS
5
DATA SHEET
MSP 34x0G
103
7.
Appendix C: Application Information
103
7.1.
Phase Relationship of Analog Outputs
104
7.2.
Application Circuit
105
8.
Appendix D: MSP 34x0G Version History
106
9.
Data Sheet History
License Notice:
"Dolby Pro Logic" is a trademark of Dolby Laboratories.
Supply of this implementation of Dolby Technology does not convey a license nor imply a right under any patent, or any other industrial or intellec-
tual property right of Dolby Laboratories, to use this implementation in any finished end-user or ready-to-use final product. Companies planning to
use this implementation in products must obtain a license from Dolby Laboratories Licensing Corporation before designing such products.