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Description:
HD74HC114  
PAC407BCW CMOS VGA DIGITAL IMAGE SENSOR
Prototype PCB
Part No.:   PAC407BCW
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Description:   CMOS VGA DIGITAL IMAGE SENSOR
File Size :   489 K    
Page : 24 Pages
Logo:   
Maker   PIXART [ PIXART IMAGING INC. ]http://www.pixart.com.tw
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PAC407BCA/PAC407BCW
CMOS Image Sensor IC
PAC407 CMOS VGA DIGITAL IMAGE SENSOR
General Description:
The PAC407 is a highly integrated CMOS active-pixel image sensor that has a VGA resolution (644H x 484V or
640H x 480V). The PAC407 outputs 8-bit data with wide range of formats include RGB Raw Data, RGB565 and
YCbCr422 through an 8-bit parallel data bus. It is available in 32-pin LCC and 22-pin CSP.
To have an excellent image quality, the PAC407 supports all require image processing functions, includes
Automatic Exposure Control, Automatic White Balance, Gamma Correction, Color Saturation Correction, Edge
Enhancement, Lens Shading Compensation and Defect Compensation. These functions are all programmable via
I
2
C
TM
serial control bus.
Features:
VGA, QVGA, QQVGA (Sub-sampling) and
Window Of Interest (WOI) outputs with 8-bit
parallel data mode, the formats include:
o
Raw Data
o
RGB565
o
YCbCr422
VGA resolution, ~1/4” Lens
o
644 x 484 pixels (Raw Data)
o
640 x 480 pixels (YUV/RGB)
Bayer-RGB color filter array
Continuous variable frame time(1/2sec~1/30sec)
On-chip 10-bit pipelined A/D converter
On-chip programmable gain amplifier
o
4-bit color gain amplifier (x1~x2)
o
4-bit global gain amplifier (x1~x2)
Automatic image control functions:
o
AEC: Automatic Exposure Control
o
AWB: Automatic White Balance
Image quality control:
o
Color Saturation
o
Gamma Correction
o
Sharpness (Edge Enhancement)
o
Smooth filter for skin
Defect Compensation
Lens Shading Compensation
X Flip Function for mirrored image
Digital Zoom (x2, x4)
Package
Scan Mode
S/N Ratio
BCA
BCW
Color filter
Exposure Time
Max. pixel rate
(YUV)
<25mA(~15 fps) power dissipation
I
2
C
TM
Serial Interface
Pin-to-pin compatible to OV7648
(Except for the polarity of RESET pin)
Key Specification:
Supply Voltage
Resolution
Array diagonal
Pixel Size
Frame rate
System clock
2.8V to 3.3V
640x480(YUV) or 644x484(Raw)
4.5mm (~1/4”Optic)
5.6µmx5.6µm
~30 fps
Up to 26 MHz
26 MHz
1.4 V/Lux-Sec
1.2 V/Lux-Sec
RGB Bayer Pattern
~ 4us to 0.1412s
Progressive
> 45 dB
32-pin LCC
22-pin CSP
Sensitivity
BCA
BCW
Note1: Only 2 decouple-capacitors needed.
Note2: Excellent sensitivity.
Version 1.7, 13 Sep
2004
PixArt Imaging Inc.
1
E-mail: fae_service@pixart.com.tw
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