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PDF ( 数据手册 , 数据表 ) OV7660

零件编号 OV7660
描述 (OV7161) CMOS VGA CameraChip
制造商 OmniVision
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OV7660 数据手册, 描述, 功能
Omni ision
TM
Advanced Information
Preliminary Datasheet
OV7660/OV7161 CMOS VGA (640x480) CAMERACHIPTM with OmniPixelTM Technology
General Description
The OV7660/OV7161 CAMERACHIPTM is a low voltage
CMOS image sensor that provides the full functionality of
a single-chip VGA camera and image processor in a small
footprint package. The OV7660/OV7161 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
CAMERACHIPs 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.
Features
• High sensitivity for low-light operation
• Low operating voltage for embedded portable
applications
• Standard SCCB interface
• VGA, QVGA, QQVGA, CIF, QCIF, QQCIF and
windowed outputs with Raw RGB, RGB (GRB 4:2:2),
YUV (4:2:2) and YCbCr (4:2:2) formats
• VarioPixelTM method for sub-sampling formats
• Automatic image control functions including:
Automatic Exposure Control (AEC), Automatic Gain
Control (AGC), Automatic White Balance (AWB),
Automatic Brightness Control (ABC), and Automatic
Black-Level Calibration (ABLC)
• Image quality controls including color saturation,
hue, gamma, sharpness (edge enhancement), and
anti-blooming
Ordering Information
Product
OV07660-KL6A (Color)
OV07161-KL6A (B&W with microlens)
Package
CSP-22
CSP-22
Applications
• Cellular and Picture Phones
• Toys
• PC Multimedia
• Digital Still Cameras
Key Specifications
Array Element (VGA)
Digital Core
Power Supply
Analog
I/O
Power
Active
Requirements
Standby
Temperature Operation
Range Stable Image
Output Formats (8-bit)
Lens Size
Lens Chief Ray Angle
VGA, CIF,
Max Image QCIF, QQCIF
Transfer Rate
QVGA,
QQVGA
Sensitivity
S/N Ratio
Dynamic Range
Scan Mode
Electronics Exposure
Gamma Correction
Pixel Size
Dark Current
Well Capacity
Fixed Pattern Noise
Image Area
Package Dimensions
664 x 492
1.8VDC
2.45V to 2.8V
2.5V to (VDD-A+0.3V)
40 mW without loading
< 10 µA
-20°C to 80°C
-10°C to 60°C
• YUV/YCbCr 4:2:2
• RGB 4:2:2
• Raw RGB Data
1/5"
~20°
30 fps
60 fps
1.0 V/Lux-sec
> 48 dB (AGC off, Gamma=1)
> 72 dB
Progressive
Up to 510:1 (for selected fps)
0.45/0.55/1.00
4.2 µm x 4.2 µm
30 mV/s at 60°C
35 K e
< 0.03% of VPEAK-TO-PEAK
2.76 mm x 2.05 mm
4155 µm x 3975 µm
Figure 1 OV7660/OV7161 Pin Diagram
A1
AVDD
A2
AGND
A3
SIO_C
A4
D1
A5
D3
B1
VREF
B2
PWDN
B3
SIO_D
B4
D0
B5
D2
C1
VSYNC
C2
DVDD
OV7660/OV7161
D1
HREF
D2
PCLK
D3
RESET
D4
D7
D5
D5
E1
DOVDD
E2
XCLK1
E3
DOGND
E4
D6
E5
D4
Version 1.91, January 24, 2005
Proprietary to OmniVision Technologies
1







OV7660 pdf, 数据表
OV7660/OV7161 CMOS VGA (OmniPixel™) CAMERACHIP
Figure 6 VGA Frame Timing
VSYNC
4xt
LINE
HREF
HSYNC
11 t
LINE
80 t
P
640 t
P
510 x t
LINE
480 x t
LINE
t = 784 t
LINE
P
144 t
P
45 t
P
19 t
P
15 t
LINE
D[7:0]
Invalid Data
P0 - P639
NOTE:
For Raw data, tP = tPCLK
For YUV/RGB, tP = 2 x tPCLK
Row 0
Row 1
Row 2
Invalid Data
Row 479
Omni ision
Figure 7 QVGA Frame Timing
VSYNC
3xt
LINE
HREF
HSYNC
12 x t
LINE
80 t
P
320 t
P
328 x t
LINE
240 x t
LINE
t = 608 t
LINE
P
288 t
P
181 t
P
27 t
P
73 x t
LINE
D[7:0]
Invalid Data
P0 - P319
NOTE:
For Raw data, tP = tPCLK
For YUV/RGB, tP = 2 x tPCLK
Row 0
Row 1
Row 2
Invalid Data
Row 239
Figure 8 QQVGA Frame Timing
VSYNC
3xt
LINE
HREF
HSYNC
328 x t
LINE
12 x t
LINE
181 t
P
120 x 2t
LINE
t = 608 t
LINE
P
288 t
P
80 t
P
320 t
P
288t + 1t
P LINE
27 t
P
73 x t
LINE
D[7:0]
Invalid Data
P0 - P159
NOTE:
For Raw data, tP = tPCLK / 2
For YUV/RGB, tP = tPCLK
Row 0
Row 1
Invalid Data
Row 119
8 Proprietary to OmniVision Technologies
Version 1.91, January 24, 2005







OV7660 equivalent, schematic
OV7660/OV7161 CMOS VGA (OmniPixel™) CAMERACHIP
Omni ision
Table 5
Address
(Hex)
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
25
Device Control Register List (Continued)
Register
Name
Default
(Hex)
R/W
Description
VSTRT
02
RW
Output Format - Vertical Frame (row) start high 8-bit (low 2 bits are at
VREF[1:0])
VSTOP
7A
RW
Output Format - Vertical Frame (row) end high 8-bit (low 2 bits are at
VREF[3:2])
Data Format - Pixel Delay Select (delays timing of the D[7:0] data relative
PSHFT 00 RW to HREF in pixel units)
• Range: [00] (no delay) to [FF] (256 pixel delay which accounts for
whole array)
MIDH 7F R Manufacturer ID Byte – High (Read only = 0x7F)
MIDL A2 R Manufacturer ID Byte – Low (Read only = 0xA2)
MVFP
Mirror/VFlip Enable
Bit[7]: 2x gain
Bit[6]: Reserved
00 RW
Bit[5]:
Bit[4]:
Mirror
0: Normal image
1: Mirror image
VFlip enable
1: VFlip enable
Bit[3:0]: Reserved
LAEC
00 RW Reserved
BOS
B Channel ADBLC Result
80 RW
Bit[7]:
Bit[6:0]:
Offset adjustment sign
0: Add offset
1: Subtract offset
Offset value of 10-bit range (high 7 bits)
GBOS
Gb channel ADBLC result
80 RW
Bit[7]:
Bit[6:0]:
Offset adjustment sign
0: Add offset
1: Subtract offset
Offset value of 10-bit range
GROS
Gr channel ADBLC result
80 RW
Bit[7]:
Bit[6:0]:
Offset adjustment sign
0: Add offset
1: Subtract offset
Offset value of 10-bit range
ROS
R channel ADBLC result
80 RW
Bit[7]:
Bit[6:0]:
Offset adjustment sign
0: Add offset
1: Subtract offset
Offset value of 10-bit range
AEW
78 RW AGC/AEC - Stable Operating Region (Upper Limit)
AEB
68 RW AGC/AEC - Stable Operating Region (Lower Limit)
16 Proprietary to OmniVision Technologies
Version 1.91, January 24, 2005










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