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PDF VS6624 Data sheet ( Hoja de datos )
| Número de pieza | VS6624 | |
| Descripción | 1.3 Megapixel Mobile Camera Module | |
| Fabricantes | ST Microelectronics | |
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VS6624
1.3 Megapixel Mobile Camera Module
PRELIMINARY DATA
Features
■ 1280H x 1024V active pixels
■ 3.0 µm pixel size, 1/3 inch optical format
■ RGB Bayer color filter array
■ Integrated 10-bit ADC
■ Integrated digital image processing functions,
including defect correction, lens shading
correction, image scaling, demosaicing,
sharpening, gamma correction and color space
conversion
■ Embedded camera controller for automatic
exposure control, automatic white balance
control, black level compensation, 50/60 Hz
flicker cancelling and flashgun support
■ Fully programmable frame rate and output
derating functions
■ Up to 15 fps SXGA progressive scan
■ Low power 30fps VGA progressive scan
■ ITU-R BT.656-4 YUV (YCbCr) 4:2:2 with
embedded syncs, YUV (YCbCr) 4:0:0, RGB
565, RGB 444, Bayer 10-bit or Bayer 8-bit
output formats
■ 8-bit parallel video interface, horizontal and
vertical syncs, 54MHz (max) clock
■ Two-wire serial control interface
■ On-chip PLL, 6.5 to 54 MHz clock input
■ Analog power supply, from 2.4 to 3.0 V
■ Separate I/O power supply, 1.8 or 2.8 V levels
■ Integrated power management with power
switch, automatic power-on reset and power-
safe pins
■ Low power consumption, ultra low standby
current
■ Triple-element plastic lens, F# 3.2, 52°
Horizontal field of view
■ 8.0 x 8.0 x 6.1mm fixed focus camera module
with embedded passives
■ 20-wire FPC attachment with board-to-board
connector, 22 mm total length
■ 24-pin (ITU) shielded socket options
Description
The VS6624 is an SXGA CMOS color digital
camera featuring low size and low power
consumption targeting mobile applications. This
complete camera module is ready to connect to
camera enabled baseband processors, back-end
IC devices or PDA engines.
Applications
■ Mobile phone
■ PDA
Ordering codes
Part number
VS6624P0LP
VS6624Q0KP
Description
SMOP2 VGA 8x8, flex
SMOP2 VGA 8x8, socket
February 2006
Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/100
www.st.com
1
1 page  
VS6624
List of tables
List of tables
Table 1.
Table 3.
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Table 46.
Table 47.
Table 48.
Table 50.
VS6624 signal description of 20-pin flex connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
ITU656 embedded synchronization code definition (even frames). . . . . . . . . . . . . . . . . . . 27
ITU656 embedded synchronization code definition (odd frames). . . . . . . . . . . . . . . . . . . . 27
Mode 2 - embedded synchronization code definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Data type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Low-level control registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Device parameters [read only] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Host interface manager control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Host interface manager status [Read only]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Run mode control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Mode setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Pipe setup bank0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Pipe setup bank1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
ViewLive control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Viewlive status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Video timing parameter host inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Video timing control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Frame dimension parameter host inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Static frame rate control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Automatic Frame Rate Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Exposure controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
White balance control parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Sensor setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Image stability [read only] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Flash control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Flash status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Scythe filter controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Jack filter controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Demosaic control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Colour matrix dampers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Peaking control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Pipe0 RGB to YUV matrix manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Pipe1 RGB To YUV matrix manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Pipe 0 gamma manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Pipe 1 Gamma manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Fade to black . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Output formatter control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
NoRA controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Optical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Supply specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
DC electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Typical current consumption - Sensor mode VGA 30 fps . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Typical current consumption - Sensor mode SXGA 15 fps. . . . . . . . . . . . . . . . . . . . . . . . . 89
External clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Serial interface voltage levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Parallel data interface timings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Rev 1
5/100
5 Page 
VS6624
System architecture
3.2
Note:
Video pipe
The main functions contained within the VS6624 video processing pipe are as follows.
Gain and offset
This function is used to apply gain and offset to data coming from the
sensor array. The microprocessor applies gain and offset values are controlled by the
automatic exposure and white balance algorithms.
Anti-vignette
This function is used to compensate for the radial roll-off in intensity
caused by the lens. By default the anti-vignette setting matches the lens used in this module
and does not need to be adjusted.
Crop
This function allows the user to select an arbitrary Window Of Interest
(WOI) from the SXGA-sized pixel array, note that the crop size should not be smaller that the
output size. It is fully accessible to the user.
Scaler
The scaler module performs real time downscaling, in both the
horizontal and vertical domain, of the bayer image data this is achieved by sample-rate
conversion. The scaler is capable of downscaling from 1.0x to 10x the input number of pixels
and lines, in steps of 1/16.
Derating
The VS6624 contains an internal derating module. This is designed
to reduce the peak output data rate of the device by spreading the data over the whole
frame period and allowing a subsequent reduction in output clock frequency.
The maximum achievable derating factor is x100 for an equivalent scale factor of x10
downscale. As a general rule the allowable derating factor is equal to the square of the
scaling factor.
The interline period is not guaranteed consistent for all derating ratios. This means the host
capture system must be able to cope with use of the sync signals or embedded codes rather
than relying on fixed line counts.
Defect correction This function runs a defect correction filter over the data in order to
remove defects from the final output. This function has been optimized to attain the
minimum level of defects from the system and does not need to be adjusted.
NoRA
The noise reduction module implements an algorithm based on the
human-visual system and adaptive pixel filtering that reduces perceived noise in an image
whilst maintaining areas of high definition.
Demosaic
This module performs an interpolation on the Bayer data from the
sensor array to produce a sRGB data. At this point an anti-alias filter is applied.
Anti-Zipper
The demosaic process produces an RGB frame with a noise signal at
pixel frequency. To remove this artefact an anti-zipper filter is employed.
Sharpening
This module increases the high frequency content of the image in
order to compensate for the low-pass filtering effects of the previous modules.
Gamma
This module applies a programmable gain curve to the output data. It
is user adjustable.
YUV conversion This module performs color space conversion from RGB to YUV. It is
used to control the contrast and color saturation of the output image as well as the fade to
black feature.
Dither
This module is used to reduce the contouring effect seen in RGB
images with truncated data.
Rev 1
11/100
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet VS6624.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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