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参数资料
| 型号： | IBIS4-A-6600 |
| 厂商： | Cypress Semiconductor Corp. |
| 英文描述： | 6.6 MP CMOS Image Sensor |
| 中文描述： | 6.6万像素的CMOS图像传感器 |
| 文件页数： | 11/40页 |
| 文件大小： | 1698K |
| 代理商： | IBIS4-A-6600 |
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IBIS4-A-6600
CYII4SM6600AB
ADVANCE
INFORMATION
Document Number: 001-02366 Rev. *D
Page 11 of 40
Dark and Dummy Pixels
Floor Plan Pixel Array on page 11 shows a plan of the pixel
array. The sensor has been designed in "portrait" orientation.
A ring of dummy pixels surrounds the active pixels.
Black pixels are implemented as "optical" black pixels.
Figure 7. Floor Plan Pixel Array
Pixel Rate
The pixel rate for this sensor is high enough to support a frame
rate of >75 Hz for a window size of 640 x 480 pixels (VGA
format) + 23 pixels over scan in both directions. Taking into
account a row blanking time of 7.2 s (as baseline, see also
2.10.2.1.g.), this requires a minimum pixel rate of nearly 40
MHz. The final bandwidth of the column amplifiers, output
stage etc. is determined by external bias resistors. Taken into
account a pixel rate of 40 MHz a full frame rate of a little more
than 5 frames/s will be obtained.
The frame period of the IBIS4-6600 sensor can be calculated
as follows:
=> Frame period = (Nr. Lines * (RBT + pixel period * Nr.
Pixels))
With:
Nr. Lines: Number of Lines read out each frame (Y).
Nr. Pixels: Number of pixels read out each line (X).
RBT: Row Blanking Time = 7.2 us (typical).
Pixel period: 1/40 MHz = 25 ns.
Example: read out time of the full resolution at nominal speed
(40 MHz pixel rate):
=> Frame period = (3002 * (7.2 us + 25 ns * 2210)) = 187.5
ms => 5.33 fps.
Region of Interest (ROI) Read Out
Windowing can easily be achieved by uploading the starting
point of the x- and y-shift registers in the sensor registers (see
2.9.1). This downloaded starting point initiates the shift register
in the x- and y-direction triggered by the Y_START (initiates
the Y-shift register) and the Y_CLK (initiates the X-shift
register) pulse. The minimum step size for the x-address is 24
(only even start addresses can be chosen) and 1 for the
Y-address (every line can be addressed). The frame rate
increases almost linearly when fewer pixels are read out. Table
8. gives an overview of the achievable frame rates with ROI
read out.
Dummy ring of pixels,
surrounding complete pixel
array. not read
Ring of 2 dummy pixels,
illuminated, readable
array of active pixels, read
3002x 2210
Ring of dummy pixels,
covered with black layer,
readable
2222
3
2210
3
Table 8. Frame Rate vs. Resolution
Image Resolution (Y*X)
3002 x 2210
1501 x 1104
640 x 480
Frame rate [frames/s]
Frame readout time [ms]
187.5
67
11
Comment
5
14
89
Full resolution.
ROI read out.
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IBIS4-A-6600-C-2 | 制造商:Cypress Semiconductor 功能描述:IMAGE SENSOR COLOR CMOS 2210X3002PIXELS - Bulk |
| IBIS4-A-6600-M-2 | 制造商:Cypress Semiconductor 功能描述:IMAGE SENSOR MONOCHROME CMOS 2210X3002PIXELS - Bulk |
| IBIS5-A-1300-C-1 | 制造商:Cypress Semiconductor 功能描述:IMAGE SENSOR COLOR CMOS 1280X1024PIXELS 84PIN LCC - Bulk |
| IBIS5-A-1300-C-2 | 制造商:Cypress Semiconductor 功能描述:Image Sensor Color CMOS 1280x1024Pixels 84-Pin LCC 制造商:Cypress Semiconductor 功能描述:IMAGE SENSOR COLOR CMOS 1280X1024PIXELS 84PIN LCC - Bulk |
| IBIS5-A-1300-M-1 | 制造商:Cypress Semiconductor 功能描述:Image Sensor Monochrome CMOS 1280x1024Pixels 84-Pin LCC 制造商:Cypress Semiconductor 功能描述:IMAGE SENSOR MONOCHROME CMOS 1280X1024PIXELS 84PIN LCC - Bulk |
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