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Proprietary to OmniVision Technologies
Version 1.3, September 15, 2003
OV9625/OV9121
CMOS SXGA (1.3 MPixel) CAMERACHIP™
Omni
ision
Functional Description
Figure 2 shows the functional block diagram of the OV9625/OV9121 image sensor. The OV9625/OV9121 includes:
•
Image Sensor Array (1280 x 1024 resolution)
•
Gain Control
•
Channel Balance
•
10-Bit Analog-to-Digital Converter
•
Black Level Compensation
•
SCCB Interface
•
Digital Video Port
•
Timing Generator
Figure 2 Functional Block Diagram
Column Sense Amps
Image Array
(1312 x 1036)
AMP
Gain
Control
Balance
Control
Channel
Balance
10-Bit
A/D
Timing Generator and Control Logic
PLL
RESET
PWDN
FSI
VGA
FREX
EXPSTB
XCLK
Black Level
Compensation
Digital
Video
Port
D[9:0]
PCLK
HREF
HSYNC
VSYNC
SCCB Slave
Interface
Control
Register
Bank
SIO_C
SIO_D SCCB_E
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