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PDF EM8400 Data sheet ( Hoja de datos )
| Número de pieza | EM8400 | |
| Descripción | (EM8400 / EM8401) MPEG-2 Decoder | |
| Fabricantes | Sigma | |
| Logotipo |  |
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EM8400
EM8401
MPEG-2 Decoder for Set-top, DVD and Streaming Applications
Description
The EM8400 is a single-chip MPEG audio/video decoder that supports DVD-
Video, SVCD, VCD 1.x, VCD 2.0, CD-DA and CD-ROM media formats, with
MPEG-1 and MPEG-2 MP@ML video decoding. Audio decoding support
includes Dolby® Digital, MPEG-1 Layers 1 and 2 and 16-bit linear PCM. DVD-
Video support includes hardware CSS decryption, 16:9 and 4:3 aspect ratios,
letterboxing, 3:2 pull-down, multiple angles and sub-picture.
The programmable video output display controller includes high-quality arbi-
trary scaling and an OSD frame buffer with 16-level alpha blending. It sup-
ports interlaced or progressive output resolutions up to 1920x1080 with a
refresh rate up to 120 Hz. The provided brightness, contrast and color con-
trols optimize displayed video.
Based on the company’s award-winning REALmagic® Video Streaming Tech-
nology, the EM8400 provides highly-integrated solutions for high-quality
decoding of MPEG-1 and MPEG-2. Positioned as a cost-effective solution for
streaming video clients, advanced digital set-top boxes and next-generation
interactive DVD players, the EM8400 enables manufacturers to easily incor-
porate streaming video, progressive DVD playback and video-on-demand
into their products.
Features
• Supports DVD-Video, SVCD, VCD 1.x, VCD
2.0, CD-DA, CD-ROM media formats
• MPEG-1, MPEG-2 MP@ML video decoding
• Dolby Digital, MPEG-1 Layers 1 and 2 and
linear PCM audio decoding
• 2-, 4-, 7- or 8-bit OSD with optional run-length
compression and 16-level alpha blending
• Programmable display output with scaling up
to 1920x1080 resolution, interlaced or
progressive, up to 120 Hz refresh
Block Diagram
2 OR 4 MB SDRAM
SDRAM CONTROLLER
DVD
DECRYPT
MPEG
VIDEO
DECODER
ENGINE
AUDIO
DECODER
ENGINE
DISPLAY
CONTROL,
OSD,
SUB-
PICTURE
NTSC/PAL
ENCODER
CVBS
S-VIDEO
8 / 16-BIT YC BCR
I2S OR SPDIF
PCI
HOST
INTERFACE
PCI
Sigma Designs, Inc.
355 Fairview Way • Milpitas, CA, USA 95035 • Tel: 408.262.9003 • Fax: 408.957.9740
www.sigmadesigns.com • [email protected]
1 page  
EM8400, EM8401
Application Example: Streaming Set-top Box with DVD-Video Playback
The streaming set-top box example below also supports DVD-Video playback. System integration requires very little external
logic since the EM8400 provides most of the features including:
• Streaming video or video-on-demand (VOD) playback
• Progressive DVD-Video playback
• NTSC / PAL composite and s-video outputs
• S/PDIF audio output
SDRAM
2 OR 4 MB
EM8400
OR
EM8401
VIDEO
DACS
AUDIO
DACS
SDRAM
AND
FLASH
PCI BUS
ETHERNET
10/100 T
HOST CPU
NTSC / PAL COMPOSITE AND S-VIDEO
ANALOG YP BPR OR RGB
SPDIF DIGITAL AUDIO OUTPUT
ANALOG STEREO OUTPUT
HDD
CD / DVD DRIVE
USB, I2C, RS-232
IR
V.34, V.9X MODEM
Sigma Designs, Inc.
355 Fairview Way • Milpitas, CA, USA 95035 • Tel: 408.262.9003 • Fax: 408.957.9740
www.sigmadesigns.com • [email protected]
-5-
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet EM8400.PDF ] | |
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