鈥?/div>
鈥?Variable resolutions:
Horizontal: 720,704,640,544,480,360,320,160
Vertical: 480,240,112 (NTSC); 576,288,144 PAL
鈥?Variable frame rate, up to 30(NTSC)/25(PAL) fps
鈥?Supports constant/variable bit rates: 1鈥?4 Mbps
鈥?Variable GOP length and structure: I, IP, IPB, IPBB
鈥?+/-100 pixels wide motion estimation search range
鈥?Automatic 3/2 pulldown detection
鈥?Video input: selectable 8/10 bits CCIR656
鈥?4:2:2 to 4:2:0 conversion
鈥?MPEG-1 Layer II stereo encoding
鈥?Dolby Digital (AC-3) stereo encoding
鈥?Programmable frequencies and bit rates (64鈥?84 Kbps)
Highly programmable system multiplexing processor
鈥?CBR/VBR program/transport stream multiplexing
鈥?User data/VBI insertion
鈥?Programmable stream parameters
鈥?7-tap vertical/horizontal luminance/chrominance filter
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
reduces overall system and development costs.
Video/Audio Elementary, Video/Audio Packetized
Elementary, Program, and Transport Streams are
generated internally to the BCM7040.
Broadcom third generation production of field-proven
and in-production technology.
Universal compatibility through standards
compliance: Video Encoding (ISO/IEC 13818-2),
Audio Encoding (ISO/IEC 11172-3, MPEG-1, Layer II
and Dolby Digital AC-3) and System Multiplexing
(ISO/IEC 13818-1).
Broadcom-developed reference design kit includes
application board, sample application, and drivers
based upon industry-standard operating systems,
enabling rapid and streamlined software and
hardware development, reducing time to market.
Simple system design: BCM7040 + single SDRAM.
A P P L I C AT I O N S
鈥?/div>
Time shift/personal video recording (PVR):
鈥?/div>
DVD recorders
鈥?/div>
Digital VCRs (VCR replacements)
鈥?/div>
PC TV tuners
鈥?/div>
Digital camcorders
鈥?/div>
Video transmission
鈥?/div>
Video over IP
鈥?/div>
Video conferencing
鈥?/div>
Security and surveillance
System Block
Diagram
Video A/D
2M x 32 SDRAM
鈥?/div>
Video pre-processing
video/audio/PCR time
鈥?/div>
Accurate 27-MHz synchronization duringstamps for
exact video/audio
playback
Dedicated
鈥?/div>
interface serial/parallel DVB transport stream
鈥?/div>
I S/AC-97 stereo audio inputs
PCI 32 bit/33
鈥?/div>
16-bit GenericMHz, PCI DMA master or PCI slave and
Host interface
鈥?/div>
Integrated I C controller
鈥?/div>
Package: 176-pin LQFP
鈥?/div>
Supply voltage: I/O 3.3V (5V compatible)
鈥?/div>
Power consumption: less than 1W
鈥?/div>
System memory: SDRAM, 1 module of 2M x 32
2
2
鈥?Set-top boxes
鈥?Stand-alone PVRs
鈥?Television sets
BCM7040
Audio A/D
MPEG-2 Encoder
Compressed data
(DVB) output
PCI/Generic interface
BCM7040相關(guān)型號(hào)PDF文件下載
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