OV7640 Datasheet, PDF (2/20 Pages) List of Unclassifed Manufacturers – OV7640 Color CMOS VGA (640 x 480) CAMERACHIP OV7141 B&W CMOS VGA (640 x 480) CAMERACHIP

OV7640/OV7141 CMOS VGA (640 x 480) CAMERACHIP™
Omni ision
Functional Description
Figure 2 shows the functional block diagram of the OV7640/OV7141 image sensor. The OV7640/OV7141 includes:
• Image Sensor Array (640 x 480 resolution)
• Timing Generator
• Analog Processing Block
• A/D Converters
• Output Formatter
• Digital Video Port
• SCCB Interface
Figure 2 OV7640/OV7141 Functional Block Diagram
Analog Processing
R
G
B
MUX
A/D
Saturation
Gain
Hue
WB
Brightness
Gamma
Y
Cb
Cr
MUX
A/D
Output
Formatter
Data
Formatting
Windowing
RESET
PWDN
CLK
HREF
PCLK
VSYNC
SIO_C
SIO_D
Image Array
(640 x 480)
Column Sense Amps
Timing Generator
Control
Registers
(To all circuits)
SCCB
Interface
Digital Video
Port
Y[7:0]
VREF
1.0 μf
2
Proprietary to OmniVision Technologies
Version 1.4, March 6, 2003