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OV7141 데이터시트 PDF




OmniVision Technologies에서 제조한 전자 부품 OV7141은 전자 산업 및 응용 분야에서
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부품번호 OV7141 기능
기능 (OV7141 / OV7640) B/w Vga 640 X 480 Digital CMOS Camerachipstm
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OV7141 데이터시트, 핀배열, 회로
Omni
ision
TM
Advanced Information
Preliminary Datasheet
OV7640 Color CMOS VGA (640 x 480) CAMERACHIPTM
OV7141 B&W CMOS VGA (640 x 480) CAMERACHIPTM
General Description
The OV7640 (color) and OV7141 (black and white)
CAMERACHIPSTM are low voltage CMOS image sensors
that provide the full functionality of a single-chip VGA
(640 x 480) camera and image processor in a small
footprint package. The OV7640/OV7141 provides
full-frame, sub-sampled or windowed 8-bit images in a
wide range of formats, controlled through OmniVision’s
Serial Camera Control Bus (SCCB) interface.
This product family has an image array capable of
operating at up to 30 frames per second (fps) 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, smearing,
blooming, etc. to produce a clean, fully stable color image.
Features
• High sensitivity for low-light operation
• 2.5V operating voltage for embedded portable
applications
• Standard Serial Camera Control Bus (SCCB)
interface
• VGA, QVGA (sub-sampled) and Windowed outputs
with Raw RGB, RGB (GRB 4:2:2), YUV (4:2:2) and
YCbCr (4:2:2) formats
• Automatic image control functions including:
Automatic Exposure Control (AEC), Automatic Gain
Control (AGC), Automatic White Balance (AWB),
Automatic Brightness Control (ABC), Automatic
Band Filter (ABF) for 60Hz noise and Automatic
Black-Level Calibration (ABLC)
• Image quality controls including color saturation,
hue, gamma, sharpness (edge enhancement),
anti-blooming and zero smearing
Ordering Information
Product
OV7640 (Color)
OV7141 (B&W)
Package
PLCC-28
PLCC-28
Applications
• Cellular and Picture Phones
• Toys
• PC Multimedia
Key Specifications
Power Supply
Power
Requirements
Temperature
Range
Array Size
Core
Analog
I/O
Active
Standby
Operation
Stable Image
Output Formats (8-bit)
Lens Size
Maximum Image
VGA
Transfer Rate
QVGA
Sensitivity
B&W
Color
S/N Ratio
Dynamic Range
Scan Mode
Maximum Exposure Interval
Gamma Correction
Pixel Size
Dark Current
Well Capacity
Fixed Pattern Noise
Image Area
Package Dimensions
640 x 480 (VGA)
2.5VDC + 10%
2.5VDC + 4%
2.25V to 3.3V
40 mW (30 fps, including
I/O power)
30 µW
-10°C to 70°C
0°C to 50°C
• YUV/YCbCr 4:2:2
• RGB 4:2:2
• Raw RGB Data
1/4"
30 fps
60 fps
3.0 V/Lux-sec
1.12 V/Lux-sec
46 dB
62 dB
Progressive/Interlaced
523 x tROW
0.45
5.6 µm x 5.6 µm
30 mV/s
60 Ke
< 0.03% of VPEAK-TO-PEAK
3.6 mm x 2.7 mm
11.43 mm x 11.43 mm
Figure 1 OV7640/OV7141 Pin Diagram
4 3 2 1 28 27 26
PWDN
5
NC 6
VREF
7
VDD_C
8
VSYNC
9
HREF 10
PCLK 11
OV7640/OV7141
25 Y0
24 Y1
23 Y2
22 Y3
21 Y4
20 Y5
19 Y6
12 13 14 15 16 17 18
Version 1.4, March 6, 2003
Proprietary to OmniVision Technologies
1




OV7141 pdf, 반도체, 판매, 대치품
OV7640/OV7141 CMOS VGA (640 x 480) CAMERACHIP
Pin Description
Omni ision
Table 1
Pin Description
Pin Number
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Name
VSS_A
VDD_A
NC
NC
PWDN
NC
VREF
VDD_C
VSYNC
HREF
PCLK
VDD_IO
CLK
NC
RESET
NC
VSS_D
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
SIO_C
SIO_D
NC
Pin Type
Ground
VDD
Input
VREF
VDD
Output
Output
Output
VDD
Input
Input
Ground
Output
Output
Output
Output
Output
Output
Output
Output
Input
I/O
Function/Description
Analog ground
Analog VDD
No connection
No connection
Sets device to power down standby mode
No connection
Internal voltage reference (2.3V). Connect to ground through 1µF capacitor
Core VDD
Vertical sync output
HREF output
Pixel clock output
I/O VDD
External clock
No connection
Clears all registers and resets them to their default values.
No connection
Digital ground
Digital video output bit[7]
Digital video output bit[6]
Digital video output bit[5]
Digital video output bit[4]
Digital video output bit[3]
Digital video output bit[2]
Digital video output bit[1]
Digital video output bit[0]
SCCB serial interface clock
SCCB serial interface data I/O
No connection
4 Proprietary to OmniVision Technologies
Version 1.4, March 6, 2003

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OV7141 전자부품, 판매, 대치품
Omni ision
Timing Specifications
Figure 4 SCCB Timing Diagram
tF
SIO_C
SIO_D
IN
tSU:STA
SIO_D
OUT
tLOW
tHD:STA
tHIGH
tHD:DAT
tAA
tR
tSU:DAT
tSU:STO
tDH
Timing Specifications
tBUF
Figure 5 Row Output Timing Diagram
PCLK
tPCLK
HREF
Y[7:0]
tPHL
tSU
tHD
Last Byte First Byte
tPDV
(Row Data)
tPHL
Last Byte
Version 1.4, March 6, 2003
Proprietary to OmniVision Technologies
7

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OV7141

(OV7141 / OV7640) B/w Vga 640 X 480 Digital CMOS Camerachipstm

OmniVision Technologies
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