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Details, datasheet, quote on part number:NW901
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Datasheet text preview:
NW901
Advanced Information MPEG-4 30 fps CIF Video Codec AAC 2-chanel Audio Codec 4 Megapixel DSC
Features and Benefits
MPEG-4 Video
· · · Full codec functionality I, P, and B frames 64 Kbps to 2 Mbps CIF and SIF resolutions (max) 352x288, 352x240, 320x240, 320x288 QCIF and lower also supported Full natural motion frame rate 30 fps / 25 fps (NTSC / PAL) User selectable frame rates as well: 20 / 15 / 10 / 7.5 / 5 divio patent pending Motion Estimation ¼ PEL implementation Pre-processor (Noise reduction) Post-processor (De-blocking filter)
Overview
Description
The revolutionary NW901 from divio combines a 30 fps MPEG-4 CIF resolution video codec for TV-like natural motion, a high fidelity AAC 2-channel audio codec, and up to 4-Megapixel DSC capabilities, all in one single-chip! The NW901 was developed specifically to enable low-cost next-generation consumer oriented solid-state camcorders based on solid-state FLASH memory. divio has also created the SDcam reference design to enable OEMs to reduce time-to-market and development costs.
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AAC Audio
· · · Full codec functionality High-quality 2-channel stereo User-selectable sample rate 24, 32, 44.1, 48 KHz User-selectable bitrate 16 384 Kbps
CCD
Block Diagram
NW901 MPEG-4 Video Codec
ITU-R 656 LCD
Megapixel DSC
· · · · · · · VGA - 4 Megapixel sensor support Hardware JPEG Codec with user selectable compression ratio Auto Exposure (AE) Auto White Balance (AWB) Auto "flash-strobe" control Bad pixel interpolation Zoom lens control
Video Interface
Audio Interface
I2S
Megapixel Megapixel DSC
SDRAM Memory Controller
AAC Audio Codec
Host Interface Host
Dataflow Controller
Sales Information: divio inc. 441 De Guigne Drive Sunnyvale, CA 94085 USA Tel: (408) 328-3333 Fax: (408) 328-3399 web: www.divio.com email: sales@divio.com
Physical
· · · Low power 1.8V (core) 3.3V (I/O) 277 PBGA package
Confidential Information Requires NDA
1
May 20, 2002
NW901
Advanced Information SDcam Reference Design
Features and Benefits
Board Components
· · divio NW901 Video/Audio/DSC Codec
Overview
Description
The SDcam Reference Design implements the divio
32-bit Host microcontroller with SD interface optimized for real-time A/V streaming data Y/C and C video-in and video-out I2S audio-in and audio-out Key pad High-quality Megapixel CCD sensor/lens 1.8 inch LCD monitor screen 64 MB SD Memory card included Battery pack for mobile use
NW901 advanced codec in a three-in-one solid-state based camcorder design. Intended to reduce time-to-market and development costs for OEMs the SDcam Reference Design captures TV-like natural motion 30 fps video, high fidelity AAC 2-channel stereo audio, and Megapixel stills. No other single-chip codec design even comes close to the performance and quality of the divio NW901 based SDcam Reference Design Everything an OEM needs to achieve production is included with this kit: schematics, firmware, APIs, technical documents, and user manuals. Contact divio Sales today for more information!
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Design Information
· · · Schematics Firmware Technical documents and User Manual
Secure Digital Memory Card
The Secure Digital (SD) Memory Card format is fast becoming the industry standard for consumer portable products. SD provides fast, reliable, and secure, data storage in a small footprint. Working together divio and SanDiskTM
C Y/C C Y/C L R
Block Diagram
SDcamTM SDcamTM Reference Board
are providing a complete solution for the SDcam Reference Design. Join the 280+ companies who are already supporting the SD standard today and feel secure about your future!
Keypad
Video Encoder
Video Decoder
Audio Codec
SD USB
Host micro
NW901
LCD Display CCD Lens
Sales Information: divio inc. 441 De Guigne Drive Sunnyvale, CA 94085 USA Tel: (408) 328-3333 Fax: (408) 328-3399 web: www.divio.com email: sales@divio.com
SDRAM 4M x 32
SDRAM 4M x 32
Battery Pack
Confidential Information Requires NDA
2
May 20, 2002
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