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Электронный компонент: MSP34x3G

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MSP 34x2G
Multistandard
Sound Processor Family
with Dolby Pro Logic
Edition June 3, 2003
6251-520-1DS
DATA SHEET
MICRONAS
MICRONAS
2
June 3, 2003; 6251-520-1DS
Micronas
Contents
Page
Section
Title
MSP 34x2G
DATA SHEET
7
1.
Introduction
7
1.1.
Features
8
1.2.
Features of the MSP 34x2G Family
8
1.3.
MSP 34x2G Version List
9
1.4.
MSP 34x2G Versions and their Application Fields
10
2.
Functional Description
12
2.1.
Architecture of the MSP 34x2G Family
12
2.2.
Sound IF Processing
12
2.2.1.
Analog Sound IF Input
12
2.2.2.
Demodulator: Standards and Features
13
2.2.3.
Preprocessing of Demodulator Signals
13
2.2.4.
Automatic Sound Select
13
2.2.5.
Manual Mode
15
2.3.
Preprocessing for SCART and I
2
S Input Signals
15
2.4.
Source Selection and Output Channel Matrix
15
2.5.
Audio Baseband Processing
15
2.5.1.
SRS WOW (optional)
15
2.5.2.
Automatic Volume Correction (AVC)
16
2.5.3.
Loudspeaker and Headphone Outputs
16
2.5.4.
Subwoofer Output
16
2.5.5.
Quasi-Peak Detector
16
2.5.6.
Micronas BASS (MB)
16
2.5.6.1.
Dynamic Amplification
17
2.5.6.2.
Adding Harmonics
17
2.5.6.3.
Micronas BASS Parameters
17
2.6.
Surround Processing
17
2.6.1.
Output Configuration
17
2.6.1.1.
AUX/CS Switch
17
2.6.1.2.
Channel Configuration
17
2.6.2.
Surround Processing Mode
18
2.6.2.1.
Decoder Matrix
18
2.6.2.2.
Surround Reproduction
18
2.6.2.3.
Center Modes
18
2.6.2.4.
Useful Combinations of Surround Processing Modes
19
2.6.3.
Examples
20
2.6.4.
Application Tips for using 3D-PANORAMA
20
2.6.4.1.
Sweet Spot
20
2.6.4.2.
Clipping
20
2.6.4.3.
Loudspeaker Requirements
20
2.6.4.4.
Cabinet Requirements
20
2.6.5.
Input and Output Levels in Dolby Surround Pro Logic Mode
21
2.6.6.
Subwoofer in Surround Mode
21
2.6.7.
Equalizer in Surround Mode
21
2.7.
SCART Signal Routing
21
2.7.1.
SCART DSP In and SCART Out Select
21
2.7.2.
Stand-by Mode
Contents, continued
Page
Section
Title
Micronas
June 3, 2003; 6251-520-1DS
3
DATA SHEET
MSP 34x2G
21
2.8.
I
2
S Bus Interface
22
2.9.
ADR Bus Interface
22
2.10.
Digital Control I/O Pins and Status Change Indication
22
2.11.
Clock PLL Oscillator and Crystal Specifications
23
3.
Control Interface
23
3.1.
Device and Subaddresses
23
3.1.1.
Internal Hardware Error Handling
24
3.1.2.
Description of CONTROL Register
24
3.1.3.
Protocol Description
25
3.1.4.
Proposals for General MSP 34x2G I
2
C Telegrams
25
3.1.4.1.
Symbols
25
3.1.4.2.
Write Telegrams
25
3.1.4.3.
Read Telegrams
25
3.1.4.4.
Examples
25
3.2.
Start-Up Sequence: Power-Up and I
2
C Controlling
25
3.3.
MSP 34x2G Programming Interface
25
3.3.1.
User Registers Overview
29
3.3.2.
Description of User Registers
30
3.3.2.1.
STANDARD SELECT Register
30
3.3.2.2.
Refresh of STANDARD SELECT Register
30
3.3.2.3.
STANDARD RESULT Register
32
3.3.2.4.
Write Registers on I
2
C Subaddress 10
hex
34
3.3.2.5.
Read Registers on I
2
C Subaddress 11
hex
35
3.3.2.6.
Write Registers on I
2
C Subaddress 12
hex
52
3.3.2.7.
Read Registers on I
2
C Subaddress 13
hex
53
3.4.
Programming Tips
53
3.5.
Examples of Minimum Initialization Codes
53
3.5.1.
SCART1 Input to Loudspeaker in Stereo Sound
53
3.5.2.
B/G-FM (A2 or NICAM)
53
3.5.3.
BTSC-Stereo
54
3.5.4.
BTSC-SAP with SAP at Loudspeaker Channel
54
3.5.5.
FM-Stereo Radio
54
3.5.6.
Automatic Standard Detection
54
3.5.7.
Dolby Surround Pro Logic Example
54
3.5.8.
Virtual Dolby Surround Example
54
3.5.9.
Noise Sequencer for Dolby Pro Logic
54
3.5.10.
Software Flow for Interrupt driven STATUS Check
4
June 3, 2003; 6251-520-1DS
Micronas
Contents, continued
Page
Section
Title
MSP 34x2G
DATA SHEET
56
4.
Specifications
56
4.1.
Outline Dimensions
59
4.2.
Pin Connections and Short Descriptions
62
4.3.
Pin Descriptions
65
4.4.
Pin Configurations
68
4.5.
Pin Circuits
70
4.6.
Electrical Characteristics
70
4.6.1.
Absolute Maximum Ratings
72
4.6.2.
Recommended Operating Conditions
72
4.6.2.1.
General Recommended Operating Conditions
73
4.6.2.2.
Analog Input and Output Recommendations
74
4.6.2.3.
Recommendations for Analog Sound IF Input Signal
75
4.6.2.4.
Crystal Recommendations
76
4.6.3.
Characteristics
76
4.6.3.1.
General Characteristics
77
4.6.3.2.
Digital Inputs, Digital Outputs
78
4.6.3.3.
Reset Input and Power-Up
79
4.6.3.4.
I
2
C-Bus Characteristics
80
4.6.3.5.
I
2
S-Bus Characteristics
82
4.6.3.6.
Analog Baseband Inputs and Outputs, AGNDC
83
4.6.3.7.
Sound IF Inputs
83
4.6.3.8.
Power Supply Rejection
84
4.6.3.9.
Analog Performance
87
4.6.3.10.
Sound Standard Dependent Characteristics
91
5.
Appendix A: Overview of TV-Sound Standards
91
5.1.
NICAM 728
92
5.2.
A2-Systems
93
5.3.
BTSC-Sound System
93
5.4.
Japanese FM Stereo System (EIA-J)
94
5.5.
FM Satellite Sound
94
5.6.
FM-Stereo Radio
Contents, continued
Page
Section
Title
Micronas
June 3, 2003; 6251-520-1DS
5
DATA SHEET
MSP 34x2G
95
6.
Appendix B: Manual/Compatibility Mode
95
6.1.
Demodulator Write and Read Registers for Manual/Compatibility Mode
96
6.2.
DSP Write and Read Registers for Manual/Compatibility Mode
97
6.3.
Manual/Compatibility Mode: Description of Demodulator Write Registers
97
6.3.1.
Automatic Switching between NICAM and Analog Sound
97
6.3.1.1.
Function in Automatic Sound Select Mode
97
6.3.1.2.
Function in Manual Mode
99
6.3.2.
A2 Threshold
99
6.3.3.
Carrier-Mute Threshold
100
6.3.4.
Register AD_CV
101
6.3.5.
Register MODE_REG
103
6.3.6.
FIR-Parameter, Registers FIR1 and FIR2
103
6.3.7.
DCO-Registers
105
6.4.
Manual/Compatibility Mode: Description of Demodulator Read Registers
105
6.4.1.
NICAM Mode Control/Additional Data Bits Register
105
6.4.2.
Additional Data Bits Register
105
6.4.3.
CIB Bits Register
106
6.4.4.
NICAM Error Rate Register
106
6.4.5.
PLL_CAPS Readback Register
106
6.4.6.
AGC_GAIN Readback Register
106
6.4.7.
Automatic Search Function for FM-Carrier Detection in Satellite Mode
107
6.5.
Manual/Compatibility Mode:
Description of DSP Write Registers
107
6.5.1.
Additional Channel Matrix Modes
107
6.5.2.
Volume Modes of SCART1/2 Outputs
107
6.5.3.
FM Fixed Deemphasis
107
6.5.4.
FM Adaptive Deemphasis
108
6.5.5.
NICAM Deemphasis
108
6.5.6.
Identification Mode for A2 Stereo Systems
108
6.5.7.
FM DC Notch
108
6.6.
Manual/Compatibility Mode: Description of DSP Read Registers
108
6.6.1.
Stereo Detection Register for A2 Stereo Systems
108
6.6.2.
DC Level Register
109
6.7.
Demodulator Source Channels in Manual Mode
109
6.7.1.
Terrestric Sound Standards
109
6.7.2.
SAT Sound Standards
109
6.8.
Exclusions of Audio Baseband Features
109
6.9.
Compatibility Restrictions to MSP 34x0D