mt9v112 Micron Semiconductor Products, mt9v112 Datasheet - Page 32

• Manufacturer Part Number: mt9v112
• Description: 1/6-inch Soc Vga Cmos Digital Image Sensor
• Manufacturer: Micron Semiconductor Products

Sensor Core Overview
an analog readout chain, 10-bit ADC with programma-
ble gain and black offset, and timing and control.
Pixel Data Format
Pixel Array Structure
umns by 504 rows, shown in Figure 6. The first 34 col-
umns and the first 14 rows of pixels are optically black,
and can be used to monitor the black level. The last 12
columns and the last row of pixels also are optically
black.
matic black level adjustment. However, these black
rows can also be read out by setting the sensor to raw
data output mode.
active pixels that provide a four-pixel boundary
around the VGA (640 x 480) image to avoid boundary
effects during color interpolation and correction.
row are used to enable horizontally and vertically mir-
rored readout to start on the same color pixel.
09005aef8154a39d/09005aef8175e6cc
MT9V112_2.fm- Rev. A 1/05 EN
Figure 5: Sensor Core Block Diagram
The sensor consists of a pixel array of 695 x 504 total,
The sensor core pixel array is configured as 695 col-
The black row data is used internally for the auto-
There are 649 columns by 489 rows of optically-
The additional active column and additional active
Analog Processing
Sensor (APS)
Active Pixel
Array
Timing and Control
Control Register
ADC
Communication
10-Bit Data
Signals
Clock
to IFP
to IFP
Sync
Bus
32
SOC VGA DIGITAL IMAGE SENSOR
12 Black Columns
shown in Figure 7. The even-numbered rows contain
green and red color pixels, and odd-numbered rows
contain blue and green color pixels. The even-num-
bered columns contain green and blue color pixels;
odd-numbered columns contain red and green color
pixels.
Direction
Readout
14 Black Rows
The sensor core uses an RGB Bayer color pattern,
Figure 7: Pixel Color Pattern Detail
Row
Figure 6: Pixel Array Description
Micron Technology, Inc., reserves the right to change products or specificat ions wit hout not ice.
(694,503)
...
G
G
G
B
B
B
(top right corner)
Column Readout Direction
+ additional active column
G
G
G
R
R
R
= 649 x 489 active pixels
+ additional active row
+ 4-pixel boundary for
VGA (640 x 480)
color correction
G
G
G
B
B
B
R
G
R
G
R
G
. .
.
G
G
G
B
B
B
©2004 Micron Technology, Inc. All rights reserved.
G
G
G
R
R
R
G
B
G
B
G
B
PRELIMINARY
MT9V112
Black Pixels
(0, 0)
34 Black Columns
1 Black Row
First Clear
Pixel
(34, 14)