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MT9V111 Datasheet(PDF) 22 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) 22 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
22
©2004 Micron Technology, Inc. All rights reserved.
MT9V111 - 1/4-Inch SOC VGA Digital Image Sensor
Sensor Core Overview
Sensor Core Overview
The sensor consists of a pixel array of 668 x 496 total, analog readout chain, 10-bit ADC
with programmable gain and black offset, and timing and control.
Note: See Sensor Core (MT9V011) data sheet for more details.
Figure 6: Sensor Core Block Diagram
The sensor core’s pixel array is configured as 668 columns by 496 rows (shown in
Figure 7). The first 18 columns and the first 6 rows of pixels are optically black and can
be used to monitor the black level. The last column and the last row of pixels are also
optically black. The black row data is used internally for the automatic black level adjust-
ment. There are 649 columns by 489 rows of optically active pixels, which provides a
four-pixel boundary around the VGA (640 x 480) image to avoid boundary affects during
color interpolation and correction. The additional active column and additional active
row are used to allow horizontally and vertically mirrored readout to also start on the
same color pixel, as shown in Figure 7.
Figure 7: Pixel Array Description
The sensor core uses the RGB Bayer color pattern (shown in Figure 8). Even-numbered
rows contain green and red color pixels, and odd-numbered rows contain blue and
green color pixels. Even-numbered columns contain green and blue color pixels; odd-
numbered columns contain red and green color pixels.
Active Pixel
Sensor Array
Control Register
Analog Processing
Timing and Control
ADC
Communication
Bus to IFP
10-bit Data
to IFP
Clock
Sync. Signals
(667,495)
18 black columns
1 black row
6 black rows
(0, 0)
1 black column
VGA (640 x 480)
+ 4 pixel boundary for
color correction
+ additional active column
+ additional active row
= 649 x 489 active pixels


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