Datasheet
Table Of Contents
- General Description
- Features
- Ordering Information
- Applications
- Key Specifications
- Functional Description
- Figure 2 Functional Block Diagram
- Image Sensor Array
- Analog Amplifier
- 10-Bit A/D Converters
- Channel Balance
- Black Level Compensation
- Windowing
- Timing Generator and Control Logic
- Digital Signal Processor (DSP)
- Output Formatter
- Compression Engine
- Microcontroller
- SCCB Interface
- Strobe Mode
- Reset
- Power Down Mode
- Digital Video Port
- Pin Description
- Electrical Characteristics
- Timing Specifications
- Figure 13 SCCB Interface Timing Diagram
- Table 9 SCCB InterfaceTiming Specifications
- Figure 14 UXGA, SVGA, and CIF Line/Pixel Output Timing
- Table 10 Pixel Timing Specifications
- Figure 15 UXGA Frame Timing
- Figure 16 SVGA Frame Timing
- Figure 17 CIF Mode Frame Timing
- Figure 18 Frame Exposure Mode Timing with EXPST_B Staying Low
- Figure 19 Frame Exposure Mode Timing with EXPST_B Asserted
- Table 11 Frame Exposure Timing Specifications
- OV2640 Light Response
- Register Set
- Package Specifications
- Revision History
2 Proprietary to OmniVision Technologies Version 1.6, February 28, 2006
OV2640 Color CMOS UXGA (2.0 MegaPixel) OmniPixel2™ CAMERACHIP™
O
mni ision
Functional Description
Figure 2 shows the functional block diagram of the OV2640 image sensor. The OV2640 includes:
• Image Sensor Array (1632 x 1232 total image array)
• Analog Signal Processor
• 10-Bit A/D Converters
• Digital Signal Processor (DSP)
• Output Formatter
• Compression Engine
• Microcontroller
• SCCB Interface
• Digital Video Port
Figure 2 Functional Block Diagram
Column Sample/Hold
Row Select
Image Array
(1632 x 1232)
AMP
Gain
Control
Balance
Control
Channel
Balance
10-Bit
A/D
Timing Generator and Control LogicPLL
Black Level
Compensation
SCCB Slave
Interface
Microcontroller
Control
Register
Bank
SIO_C SIO_D
Y[9:
0]
DSP Formatter
Video
Port
Compression
Engine
PWDNRESETBVSYNC STROBEPCLKHREFXVCLK