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부품번호 OV6120 기능
기능 (OV6120 / OV6620) SINGLE-CHIP CMOS CIF COLOR DIGITAL CAMERA
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OV6120 데이터시트, 핀배열, 회로
Advanced Information
Preliminary
heOOeVVt466U6122.c00oSSmIINNGGLLEE--CCHHIIPP CCMMOOSS CCIIFF CBO&WLODROIGDVIITG6A6ITL2AC0L/AOCMAVEM6R1EA2R0AFeatures
Sn 101,376 pixels, 1/4” lens, CIF/QCIF format
tan Progressive scan read out
an Data format - YCrCb 4:2:2, GRB 4:2:2, RGB Raw Data
.Dn 8/16 bit video data: CCIR601, CCIR656, ZV port
wn Wide dynamic range, anti-blooming, zero smearing
w n Electronic exposure / Gain / white balance control
w n Image enhancement - brightness, contrast, gamma,
saturation, sharpness, window, etc.
mn Internal/external synchronization
oGeneral Description
.cThe OV6620 (color) and OV6120 (black and white) CMOS Im-
age sensors are single-chip video/imaging camera devices
designed to provide a high level of functionality in a single,
Usmall-footprint package. Both devices incorporate a 352 x 288
image array capable of operating up to 60 frames per second
t4image capture. Proprietary sensor technology utilizes ad-
vanced algorithms to cancel Fixed Pattern Noise (FPN), elim-
inate smearing, and drastically reduce blooming. All needed
n Frame exposure/line exposure option
n 5-Volt operation, low power dissipation
– < 80 mW active power
– < 10 µA in power-save mode
n Gamma correction (0.45/0.55/1.00)
n I2C programmable (400 kb/s):
– color saturation, brightness, contrast, white balance,
exposure time, gain
camera functions including exposure control, gamma, gain,
white balance, color matrix, windowing, and more, are pro-
grammable through an I2C interface. Both devices can be pro-
grammed to provide image output in either 8-bit or 16-bit
digital formats.
Applications include: Video Conferencing, Video Phone, Vid-
eo Mail, Still Image, and PC Multimedia.
ee Array Elements (CIF)
(QCIF)
h Pixel Size
356 x 292
(176 x 144)
9.0 x 8.2 µm
S Image Area
3.1 x 2.5 mm
ta Max Frames/Sec
Up to 60 FPS
aAGND
AVDD
PWDN
.DVRCAP1
VRCAP3
IICB
wVTO
ADVDD
ADGND
wVSYNC/CSYS
FODD/CLK
w .comHREF/VSFRAM
7
8
9
10
11
12
13
14
15
16
17
18
OV6620/OV6120
42 BW/CHSYNC
41 CBAR/Y0
40 Y1
39 G2X/Y2
38 RGB/Y3
37 CS1/Y4
36 SHARP/Y5
35 CS2/Y6
34 CS0/Y7
33 PWDB/PCLK
32 DOVDD
31 DGND
Electronic
Exposure
Scan Mode
Gamma Correction
Min. Illumination
(3000K)
S/N Ratio
(Digital Camera Out)
FPN
Dark Current
Up to 500 : 1
(for selected FPS)
progressive
0.45/.55/1.0
OV6620 - < 3 lux @ f1.2
OV6120 - < 0.5 lux @ f1.2
> 48 dB
(AGC = Off, Gamma = 1)
< 0.03% VP-P
< 0.2 nA/cm2
UDynamic Range
> 72 dB
et4Power Supply
5VDC, ±5% (Anal.)
5VDC or 3.3VDC (DIO)
taSheOV6620/OV6120 PIN ASSIGNMENTS
Power
Requirements
Package
< 80mW Active
< 30µW Standby
48 pin LCC
.DaOmniVision Technologies, Inc. 930 Thompson Place Sunnyvale, CA 94086 U.S.A.
wTel: (408) 733-3030 Fax: (408) 733-3061
wWebsite: http://www.ovt.com
Version 1.11, 14 May 1999




OV6120 pdf, 반도체, 판매, 대치품
OMNIVISION TECHNOLOGIES, Inc.
Advanced Information
Preliminary
OV6620/OV6120
SINGLE IC CMOS COLOR AND B/W DIGITAL CAMERAS
1. Functional Description
(Note: References to color features do not apply to the OV6120 B&W Digital Image Sensor.)
1.1 Overview
Referring to Figure 1, OV6620/OV6120 CMOS Image
Sensor Block Diagram below, the OV6620 sensor in-
cludes a 356 x 292 resolution image array, an analog
signal processor, dual 8-bit Analog-to-Digital convert-
ers, analog video multiplexer, digital data formatter and
video port, I2C interface and registers, digital controls in-
cluding timing block, exposure, and black and white
balance.
The OV6620/OV6120 sensor is a 1/4-inch CMOS imag-
ing device. The sensor contains approximately 101,376
pixels. Its design is based on a field integration read-out
system with line-by-line transfer and an electronic shut-
ter with a synchronous pixel read out scheme. The color
filter of the sensor consists of a primary color RG/GB ar-
ray arranged in line-alternating fashion.
GAMMA
analog processing
r
g
b
VTO
Y
Cb
Cr
mx ADC
mx ADC
DENB
Y(7:0)
UV(7:0)
column sense amp
exposure
detect
white
balance
detect
(356x292)
image
array
sys-clk video timing generator
exposure control
WB
control
1/2
XVCLK1
PCLK FODD CHSYNC MIR
HREF VSYNC FREZ
FSIN
AGCEN
PROG
FZEX
AWB AWBTH/
AWBTM
registers
I2C
interface
SCL SDA IICB
Figure 1. OV6620/OV6120 CMOS Image Sensor Block Diagram
4
Version 1.11
14 May 1999

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OV6120 전자부품, 판매, 대치품
OMNIVISION TECHNOLOGIES, Inc.
Advanced Information
Preliminary
OV6620/OV6120
SINGLE IC CMOS COLOR AND B/W DIGITAL CAMERAS
1.2.5 QCIF Format
A QCIF mode is available for applications where high
resolution image capture is not required. When pro-
grammed in this mode, the pixel rate is reduced by one-
half. Default resolution is 176 x 144 pixels and can be
user-programmed for other resolutions. Refer to Table
7. QCIF Digital Output Format (YUV, beginning of line)
and Table 8. QCIF Digital Output Format (RGB Raw Da-
ta, Beginning of Line) for further information.
1.2.6 Video Output
The video output port of the OV6620/OV6120 image
sensors provides a number of output format/standard
options to suit many different application requirements.
Table 2. Digital Output Formats, below, indicates the
output formats available. These formats are user pro-
grammable through the I2C interface (See Section 3.1
I2C Bus Protocol Format).
The OV6620/OV6120 imager supports both CCIR601
and CCIR656 output formats in the following configura-
tions (See Table 3. 4:2:2 16-bit Format for further de-
tails):
16-bit, 4:2:2 format
(This mode complies with the 60/50 Hz CCIR601 tim-
ing standard. See Table 3. 4:2:2 16-bit Format be-
low)
8-bit data mode
(In this mode, video information is output in Cb Y Cr
Y order using the Y port only and running at twice the
pixel rate during which the UV port is inactive. See
Table 4. 4:2:2 8-bit Format below)
4-bit nibble mode
(In the nibble mode, video output data appears at bits
Y4-Y7. The clock rate for the output runs at twice the
normal output speed when in B/W mode, and 4 times
the normal output speed in when in color mode.)
– 704 x 288 format
(When programmed for this mode, the OV6620/
OV6120 pixel clock is doubled and the video output
sequence is Y0Y0Y1Y1 ... and U0U0V0V0 ... See
Figure 3, Pixel Data Bus (YUV Output), below.)
The OV6620/OV6120 imaging devices provide VSYNC,
HREF, PCLK, FODD, CHSYNC as standard output vid-
eo timing signals.
The OV6620/OV6120 image sensor can also be pro-
grammed to provide video output in RGB Raw Data 16-
bit/8-bit/4-bit format. The output sequence is matched to
the OV6620 Color Filter Pattern (See Section Figure 4.
Pixel Data Bus (RGB Output), below):
– Y channel output sequence is G R G R
– UV channel output sequence is B G B G
For 8-bit RGB Raw Data video output appears on the Y
channel (with an output sequence of B G R G) and the
UV channel is disabled.
In RGB Raw Data CCIR656 modes, the OV6620/
OV6120 imager asserts SAV (Start of Active Video) and
EAV (End of Active Video) to indicate the beginning and
the ending of HREF window. As a result, SAV and EAV
change with the active pixel window. The 8-bit RGB raw
data is also accessible without SAV and EAV informa-
tion.
The OV6620/OV6120 imagers offer flexibility in YUV
output format. The devices may be programmed as
standard YUV 4:2:2. These devices may be configured
to “swap” the U V sequence. When swapped, the UV
channel output format for 16-bit configurations be-
comes:
– V U V U...etc.
and for 8-bit configurations becomes:
– V Y U Y ...etc.
A third format is available for the 8-bit configurations
and OV6620/OV6120 enables the Y/UV sequence
swap:
– Y U Y V ...etc.
The OV6620 color single-IC camera can be configured
for use as a black and white imaging device. In this
mode, vertical resolution is greater than in color. Video
data output is provided at the Y port (pins 34:41) and the
UV port is tri-stated. The data (Y/RGB) output rate is
equivalent to operating in 16-bit mode.
The Y/UV or RGB output byte MSB and LSB can be re-
verse-ordered on the OV6620/OV6120 device. The Y7
- Y0 default sequence sets Y7 as MSB and Y0 as LSB.
Programming a reverse order configuration sets Y7 as
LSB and Y0 is MSB, with bits Y2-Y6 reversed-ordered
appropriately.
14 May 1999
Version 1.11
7

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