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| 型號(hào)： | OV7930 |
| 英文描述： | MCU CMOS 20LD 1K EPRM, -40C to +85C, 20-SSOP 208mil, TUBE |
| 中文描述： | 顏色| NTSC制式| 510 × 492 |模擬|的CameraChip |
| 文件頁(yè)數(shù)： | 2/18頁(yè) |
| 文件大?。?/td> | 564K |
| 代理商： | OV7930 |
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Proprietary to OmniVision Technologies
Version 1.1, January 15, 2003
OV7930
Color CMOS Analog C
AMERA
C
HIP
O
mni
ision
Functional Description
This section describes the various functions of the OV7930. Refer to
Figure 2
for the functional block diagram of the OV7930.
Figure 2 Functional Block Diagram
Clock/Timing Generator and Control Logic
Image Array
(528 X 500)
Row
Select
SCCB Slave
Interface
Gain
Control
S
S
S
ASP
Control
CVO
Analog Signal
Processor
(ASP)
X
X
R
P
F
B
A
F
G
V
V
F
AMP
Control
Register
Bank
Balance
Control
Channel
Control
A
NTSC
Video
Encoder
Column Sample/Hold
Video Standards
NTSC TV standards are implemented and available as
output in the OV7930 C
AMERA
C
HIP
. Note that the
accuracy and stability of the crystal clock frequency is
important to avoid unwanted color shift in the TV video
system. A 14.31818 MHz crystal is recommended when
using the OV7930 C
AMERA
C
HIP
.
Video Format
The OV7930 C
AMERA
C
HIP
supports Composite (CVBS)
video format only. Composite signals are generated from
the built-in NTSC TV encoder.
Image Sensor Functions
White Balance
The function of white balance in the OV7930 C
AMERA
C
HIP
is to adjust and calibrate the image device sensitivity on
the primary (RGB) colors to match the color cast of the
light source. The Auto White Balance (AWB) can be
enabled or disabled by SCCB register bit COMD[1] (see
“COMD” on page 12
).
Mirror and Vertical Flip
The OV7930 has pin control functions:
Mirror (pin22 - see
“VHS/MIR” on page 4
)
VFLIP (pin 15 input - see
“VPXO/VFLP” on page 4
)
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| OV7949 | 制造商:OMNIVISION 制造商全稱:OMNIVISION 功能描述:high-performance security CameraChip sensor |
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| OV7960 | 制造商:OMNIVISION 制造商全稱:OMNIVISION 功能描述:Superior Image Quality for Professional Grade CCTV Cameras |
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