Confidential Information Requires NDA
1
May 20, 2002
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
PEL implementation
Pre-processor
(Noise reduction)
Post-processor
(De-blocking filter)
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
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
Physical
Low power
1.8V (core) 3.3V (I/O)
277 PBGA package
NW901
MPEG-4 30 fps CIF Video Codec
AAC 2-chanel Audio Codec
Advanced Information
4 Megapixel DSC
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.
Block Diagram
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
Megapixel
DSC
AAC
Audio Codec
MPEG-4
Video Codec
Memory
Controller
Video
Interface
Audio
Interface
Dataflow
Controller
Host
Interface
I
2
S
Host
LCD
ITU-R 656
CCD
NW901
SDRAM
Megapixel
DSC
AAC
Audio Codec
MPEG-4
Video Codec
Memory
Controller
Video
Interface
Audio
Interface
Dataflow
Controller
Host
Interface
I
2
S
Host
LCD
ITU-R 656
CCD
NW901
SDRAM
Confidential Information Requires NDA
2
May 20, 2002
Features and Benefits
Board Components
divio
NW901 Video/Audio/DSC Codec
32-bit Host microcontroller with SD
interface optimized for real-time A/V
streaming data
Y/C and C video-in and video-out
I
2
S 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
Design Information
Schematics
Firmware
Technical documents and User Manual
Block Diagram
NW901
Advanced Information
SDcam
Reference Design
Overview
Description
The SDcam
Reference Design implements the
divio
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!
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
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!
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
SDcamTM Reference Board
NW901
Host
micro
SDRAM
4M x 32
LCD
Display
CCD
Lens
SDRAM
4M x 32
Keypad
Audio
Codec
Video
Decoder
Video
Encoder
Battery
Pack
C
Y/C
C
Y/C
L
R
USB
SD
SDcamTM Reference Board
NW901
Host
micro
SDRAM
4M x 32
LCD
Display
CCD
Lens
SDRAM
4M x 32
Keypad
Keypad
Audio
Codec
Video
Decoder
Video
Encoder
Battery
Pack
C
Y/C
C
Y/C
L
R
USB
SD
PDF 
ZIP