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參數(shù)資料
| 型號(hào)： | ICM200E |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Megapixel (UXGA) Digital Color CMOS Image Sensor |
| 中文描述： | 百萬像素（UXGA）下數(shù)字彩色CMOS圖像傳感器 |
| 文件頁數(shù)： | 12/32頁 |
| 文件大?。?/td> | 679K |
| 代理商： | ICM200E |
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IC M200E
2 Megapixel (UXGA) Digital Color CMOS Image Sensor
Preliminary Data Sheet V1.1
Functional Description
ICM200E image sensor is a single-chip digital
color-imaging device. It includes a 1600x1200
sensor array, 1620 column-level ADCs, and
correlated double sampling circuitry. Writing
into the SIF interface, which can address the
register file consisting of 8-bit registers, sets all
the programmable parameters. The output
format is 10-bit raw RGB data, together with
horizontal and vertical synchronization signals.
C opyright 2004, IC Media C orporation
http://www.ic-media.com/
9/22/2004
Page
12
Image Sensor Array
The image array consists of 1620x1220 physical
pixels. Each pixel has a light sensitive photo
diode and a set of control transistors. At the
beginning of the pixel exposure cycle, a row of
pixels is pre-charged to its maximum value.
Then the row is exposed to light for several lines
worth of time and sampled by the ADC. A
correlated double sampling (CDS) process
subtracts the reset value (sampled right after
sampling the current signal) from the signal
value. The CDS output is approximately
proportional to the amount of received light,
ranging from 0 to 1023.
There are 10 dummy rows and columns
surrounding the array. Of the 10 dummy pixels,
7 of them on the outside edges are covered with
dark filters. The other three dummy pixels are
active pixels covered by Red, Green and Blue
Color filters in a Bayer pattern. These three
pixels are used for color interpolation.
The 1600x1200 (UXGA) size active signal pixel
array, Pixel(10, 10) through Pixel(1609, 1209), is
also covered by an array of Red, Green and Blue
color filters in a Bayer pattern. See Figure 5 for a
detailed layout of the sensor array.
Figure 5. Image Sensor Array
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