OV7640 datasheet(2/20 Pages) ETC1

Part #	OV7640

Description	OV7640 Color CMOS VGA (640 x 480) CAMERACHIP OV7141 B&W CMOS VGA (640 x 480) CAMERACHIP

PDF	20 Pages

Scroll/Zoom	100%

Manufacturer	ETC1 [List of Unclassifed Manufacturers]

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Proprietary to OmniVision Technologies

Version 1.4, March 6, 2003

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

Output

Formatter

Column Sense Amps

Timing Generator

MUX

VSYNC

PCLK

HREF

CLK

SIO_D

SIO_C

RESET

PWDN

Analog Processing

Windowing

SCCB

Interface

Control

Registers

(To all circuits)

VREF

1.0 μf

Y[7:0]

Digital Video

Port

A/D

Gain

Gamma

Saturation

Hue

Brightness

Data

Formatting

Image Array

(640 x 480)

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