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MT9V111 Datasheet(PDF) 10 Page - Micron Technology

Part No. MT9V111
Description  1/4-Inch SOC VGA CMOS Active-Pixel Digital Image Sensor
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Maker  MICRON [Micron Technology]
Homepage  http://www.micron.com
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MT9V111 Datasheet(HTML) 10 Page - Micron Technology

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Micron Technology, Inc., reserves the right to change products or specifications without notice.
MT9V111_2.fm - Rev. G 1/05 EN
10
©2004 Micron Technology, Inc. All rights reserved.
MT9V111 - 1/4-Inch SOC VGA Digital Image Sensor
Image Flow Processor
Figure 5: Image Flow Processor Block Diagram
The MT9V111 features smooth, continuous zoom and pan. This functionality is avail-
able when the IFP output is downsized in the decimation block. The decimation block
can downsize the original VGA image to any integer size, including QVGA, QQVGA, CIF
and QCIF with no loss to the field of view. The user can program the desired size of the
output image in terms of horizontal and vertical pixel count. In addition the user can
program the size of a region for downsizing. Continuous zoom is achieved every time
the region of interest is less than the entire VGA image. The maximum zoom factor is
equal to the ratio of VGA to the size of the region of interest. For example, an image ren-
dered on a 160x120 display can be zoomed by 640/160=480/120=4 times. Continuous
pan is achieved by adjusting the starting coordinates of the region of interest.
Also a fixed 2X up-zoom is implemented by means of windowing down the sensor core.
In this mode the IFP receives a QVGA-sized input data and outputs a VGA-size image.
The sub-window can be panned both vertically and horizontally by programming sen-
sor core registers.
The MT9V111 supports both LED and Xenon-type flash light sources using a dedicated
output pad. For Xenon devices the pad generates a strobe to fire when the imager's shut-
ter is fully open. For LED the pad can be asserted or de-asserted asynchronously. Flash
modes are configured and engaged over the two-wire serial interface using IFP Reg0x98.
IMAGE SENSOR
GAMMA CORRECTION
COLOR CORRECTION
DEMOSAICING
OUTPUT FORMATTING
FLASH CONTROL
AE, AWB,
FLICKER AVOIDANCE
LENS CORRECTION


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