SAA6752HS PDF даташит
Спецификация SAA6752HS изготовлена «NXP Semiconductors» и имеет функцию, называемую «MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer». |
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Детали детали
Номер произв | SAA6752HS |
Описание | MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer |
Производители | NXP Semiconductors |
логотип |
30 Pages
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INTEGRATED CIRCUITS
DATA SHEET
SAA6752HS
MPEG-2 video and
MPEG-audio/AC-3 audio encoder
with multiplexer
Product specification
Supersedes data of 2002 Dec 09
2004 Jan 26
No Preview Available ! |
Philips Semiconductors
MPEG-2 video and MPEG-audio/AC-3
audio encoder with multiplexer
CONTENTS
1 FEATURES
1.1 Video input and preprocessing
1.2 Video compression
1.3 Audio input
1.4 Audio compression
1.5 Stream multiplexer
1.6 Output interface
1.7 Control domain
1.8 Other features
2 GENERAL DESCRIPTION
2.1 General
2.2 Application fields
3 QUICK REFERENCE DATA
4 ORDERING INFORMATION
5 BLOCK DIAGRAM
6 PINNING
7 FUNCTIONAL DESCRIPTION
7.1 System operation
7.2 Digital video input
7.3 Video compression
7.4 Digital audio input
7.5 Audio compression
7.6 SDRAM interface
7.7 Multiplexer
7.8 MPEG stream output port
7.9 Clock generation
7.10 Power control and reset
7.11
I2C-bus interface
7.12 Exception handling
8
8.1
8.2
9
10
11
12
13
14
14.1
14.2
14.3
14.4
14.5
15
16
17
18
Product specification
SAA6752HS
BOUNDARY SCAN TEST
Initialization of boundary scan circuit
Device identification codes
I2C-BUS CONTROL AND STATUS
REGISTERS
LIMITING VALUES
THERMAL CHARACTERISTICS
CHARACTERISTICS
PACKAGE OUTLINE
SOLDERING
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
DATA SHEET STATUS
DEFINITIONS
DISCLAIMERS
PURCHASE OF PHILIPS I2C COMPONENTS
2004 Jan 26
2
No Preview Available ! |
Philips Semiconductors
MPEG-2 video and MPEG-audio/AC-3
audio encoder with multiplexer
Product specification
SAA6752HS
1 FEATURES
1.1 Video input and preprocessing
• Digital YUV input according to “ITU-R BT.656” (8 bits at
27 MHz) and “ITU-R BT.601”
• Support of enhanced “ITU-R BT.656” input format
containing decoded VBI data readable via I2C-bus;
Closed Caption (CC), Wide Screen Signalling (WSS)
and copyright information with Copy Generation
Management System (CGMS)
• Processing of non-broadcast video signals from analog
VCR according to IEC 756
• Two video clock input pins for switching two digital video
sources
• “ITU-R BT.601” format conversion to 1/2D1, 2/3D1 and
Standard Interchange Format (SIF)
• 4 : 2 : 2 to 4 : 2 : 0 colour format conversion
• Decimation filtering for all format conversions
• Adaptive median filter and motion compensated filter for
input noise reduction.
1.2 Video compression
• Real-time MPEG-2 encoding compliant to Main Profile
at Main Level (MP@ML) for 625 and 525 interlaced line
systems
• Supported resolutions: D1, 2/3D1, 1/2D1 and SIF
• IPB frame, IP frame and I frame only encoding
supported at all modes
• Supported bit rates: up to 25 Mbit/s I-only encoding;
up to 15 Mbit/s IP-only or IBP encoding.
• Variable video bit rate mode for constant picture quality
and constant bit rate mode to gain optimum picture
quality from a fixed channel transfer rate
• Access to bit rate control parameters whilst encoding to
support external real-time control algorithms (e.g.
constrained variable bit rate control)
• Programmable Group Of Pictures (GOP) structure
• Innovative motion estimation with wide search range
• Adaptive quantization
• Motion compensated noise filter.
1.3 Audio input
• Audio inputs: I2S format or EIAJ format (16, 18 or
20 bits), master or slave mode at 32, 44.1 and 48 kHz
• Two digital I2S input ports for selection between two
digital audio sources
• Audio clock generation: 256fs or 384fs (where
fs = 48 kHz) locked to video frame rate (if video is
present and locking is enabled)
• Sample rate conversion to 48 kHz (locked to video
frame rate if enabled) for slave mode operation in all
modes except Digital Versatile Disc (DVD) compliant
bypass.
1.4 Audio compression
• Dolby®(1) Digital Consumer Encoding (DDCE) also
known as AC-3(2) 2 channel audio encoding at
256 kbit/s or 384 kbit/s (only for SAA6752HS/V103)
• MPEG-1 layer 2 audio encoding at 256 kbit/s or
384 kbit/s
• Input data bypass for Linear Pulse Code Modulation
(LPCM) and compressed audio data [MPEG-1,
MPEG-2, Dolby® Digital (DD) and Digital Theatre
System (DTS)] according to IEC 61937
• Preamble Pc, Preamble Pd and bit stream information
captured for identification of modes during bypass of
compressed audio data for MPEG-1, MPEG-2, DD and
DTS according to IEC 61937
• Audio mute via I2C-bus control for all modes except
DVD-compliant bypass.
(1) Dolby is a registered trademark of Dolby Laboratories
Licensing Corporation.
(2) AC-3 is a registered trademark of Dolby Laboratories
Licensing Corporation.
2004 Jan 26
3
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Номер в каталоге | Описание | Производители |
SAA6752HS | MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer | NXP Semiconductors |
SAA6752HS | MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer | NXP Semiconductors |
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