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STV0974ETR Datasheet

  • STV0974ETR

  • Mobile Imaging DSP

  • 69頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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STV0974
Mobile Imaging DSP
Features
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Supports VS6552 - 640 x 480 (VGA) color
CMOS image sensor
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Supports VisionLink low EMI link to image
sensor
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Specialized video processor for noise/defect
filtering, color reconstruction, sharpness
enhancement and radial corrections
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Programmable gamma correction for LCD
support
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Programmable cropping, down-sizing by 1.5,
2, 2.5, 3, 4, 5 and 6, MMS (Multi Media
Messaging Service) digital zoom
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JPEG compression, with programmable
target file size
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M-JPEG operation at up to 30 frame/s at VGA
resolution
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Programmable pixel output format including
ITU-R 656 modes, RGB viewfinder modes and
JPEG baseline
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Flashgun control
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Flexible host interface:
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Description
The STV0974 is a low power digital image
processor designed for the VS6552 color VGA
image sensor. The STV0974 uses advanced image
processing techniques to deliver high quality VGA
images at up to 30 frames per second
(frame/s). The sensor data received via the low EMI
sensor interface is processed in real time: this
includes pixel defect correction, color interpolation,
image sharpness enhancement, selective noise
filtering, cropping and scaling, allowing digital zoom
for ViewFinder or MMS applications. Finally the
image can be JPEG-compressed in real-time. The
STV0974 also performs sensor housekeeping
functions such as automatic exposure and white
balance controls.
Applications
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Mobile phone embedded camera system
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PDA embedded camera or accessory camera
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Wireless security camera
Technical Specifications
Sensor
Frame rate (frame/s)
Power supply
Power requirements
Package dimensions
Temperature range
640 x 480 color CMOS
(VS6552)
up to 30
1.8 +/- 0.1 V
110 mW active
< 30 碌W standby
6 mm x 6 mm x 1.2 mm
[ -25; +70 ] 擄C
8-bit data /Hsync /Vsync video output interface
and I虜C camera control interface
8-bit microprocessor interface with 2 Kbyte
video FIFO for JPEG data, 10 Kbyte for non-
JPEG data, interrupt and DMA requests
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Multi-mode exposure control and color
balance
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30 碌W ultra low-power standby
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6 x 6 mm TFBGA low-footprint & lead-free
package
Ordering Information
Ordering code
STV0974/TR
STV0974E/TR
Package
TFBGA SnPb balls
TFBGA
AFOP lead-free balls
Rev. 3
November 2004
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