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OmniVision Technologies - (OV7670 / OV7671) CMOS VGA CameraChip

Numéro de référence OV7671
Description (OV7670 / OV7671) CMOS VGA CameraChip
Fabricant OmniVision Technologies 
Logo OmniVision Technologies 





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OV7671 fiche technique
Omni
ision
®
Advanced Information
Preliminary Datasheet
OV7670/OV7171 CMOS VGA (640x480) CAMERACHIPTM Sensor
with OmniPixel ® Technology
General Description
The OV7670/OV7171 CAMERACHIPTM image sensor is a low
voltage CMOS device that provides the full functionality of a
single-chip VGA camera and image processor in a small
footprint package. The OV7670/OV7171 provides full-frame,
sub-sampled or windowed 8-bit images in a wide range of
formats, controlled through the Serial Camera Control Bus
(SCCB) interface.
This product has an image array capable of operating at up
to 30 frames per second (fps) in VGA with complete user
control over image quality, formatting and output data
transfer. All required image processing functions, including
exposure control, gamma, white balance, color saturation,
hue control and more, are also programmable through the
SCCB interface. In addition, OmniVision sensors use
proprietary sensor technology to improve image quality by
reducing or eliminating common lighting/electrical sources of
image contamination, such as fixed pattern noise (FPN),
smearing, blooming, etc., to produce a clean, fully stable
color image.
Note: The OV7670/OV7171 uses a
Pb lead-free package.
Features
• High sensitivity for low-light operation
• Low operating voltage for embedded portable apps
• Standard SCCB interface compatible with I2C interface
• Output support for Raw RGB, RGB (GRB 4:2:2,
RGB565/555/444), YUV (4:2:2) and YCbCr (4:2:2)
formats
• Supports image sizes: VGA, CIF, and any size scaling
down from CIF to 40x30
• VarioPixel® method for sub-sampling
• Automatic image control functions including: Automatic
Exposure Control (AEC), Automatic Gain Control
(AGC), Automatic White Balance (AWB), Automatic
Band Filter (ABF), and Automatic Black-Level
Calibration (ABLC)
• Image quality controls including color saturation, hue,
gamma, sharpness (edge enhancement), and
anti-blooming
• ISP includes noise reduction and defect correction
• Supports LED and flash strobe mode
• Supports scaling
• Lens shading correction
• Flicker (50/60 Hz) auto detection
• Saturation level auto adjust (UV adjust)
• Edge enhancement level auto adjust
• De-noise level auto adjust
Ordering Information
Product
OV07670-VL2A (Color, lead-free)
OV07171-VL2A (B&W, lead-free)
Package
24 pin CSP2
24 pin CSP2
Applications
• Cellular and Picture Phones
• Toys
• PC Multimedia
• Digital Still Cameras
Key Specifications
Active Array Size
Digital Core
Power Supply
Analog
I/O
Power
Requirements
Temperature
Range
Active
Standby
Operation
Stable Image
Output Formats (8-bit)
Lens Size
Chief Ray Angle
Maximum Image
Transfer Rate
Sensitivity
S/N Ratio
Dynamic Range
Scan Mode
Electronics Exposure
Pixel Size
Dark Current
Well Capacity
Image Area
Package Dimensions
640 x 480
1.8VDC +10%
2.45V to 3.0V
1.7V to 3.0Va
60 mW typical
(15fps VGA YUV format)
< 20 µA
-30°C to 70°C
0°C to 50°C
• YUV/YCbCr 4:2:2
• RGB565/555/444
• GRB 4:2:2
• Raw RGB Data
1/6"
25°
30 fps for VGA
1.3 V/(Lux sec)
46 dB
52 dB
Progressive
Up to 510:1 (for selected fps)
3.6 µm x 3.6 µm
12 mV/s at 60°C
17 K e
2.36 mm x 1.76 mm
3785 µm x 4235 µm
a. I/O power should be 2.45V or higher when using the internal
regulator for Core (1.8V); otherwise, it is necessary to provide
an external 1.8V for the Core power supply.
Figure 1 OV7670/OV7171 Pin Diagram (Top View)
A1
AVDD
A2
SIO_D
A3
SIO_C
A4
D1
A5
D3
B1
PWDN
B2
VREF2
B3
AGND
B4
D0
B5
D2
C1
DVDD
C2
VREF1
D1
VSYNC
D2
HREF
OV7670/OV7171
E1
PCLK
E2
STROBE
E3
XCLK
E4
D7
E5
D5
F1
DOVDD
F2 F3
RESET# DOGND
F4
D6
F5
D4
7670CSP_DS_001
© 2006 OmniVision Technologies, Inc.
Version 1.4, August 21, 2006
OmniPixel, VarioPixel, OmniVision, and the OmniVision logo are registered trademarks of OmniVision Technologies, Inc.
CameraChip is a trademark of OmniVision Technologies, Inc.
These specifications are subject to change without notice.

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