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參數(shù)資料
| 型號(hào)： | M64283FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Image Sensor (Artificial Retina Chip) |
| 中文描述： | 圖像傳感器（人造視網(wǎng)膜芯片） |
| 文件頁數(shù)： | 15/36頁 |
| 文件大?。?/td> | 320K |
| 代理商： | M64283FP |
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Mitsubishi Integrated Circuit <Linear IC>
M64283FP
Image Sensor (Artificial Retina Chip)
15/
35
Specifications and information in this document are subject to change without notice.
Ver. 2. 2. 3
07/22/1998
Semiconductor Technical Data
MITSUBISHI
12.5.3. Black Level Calibration Register - Z (2 bits)
The black level calibration enabled by the Z register achieves the effect equivalent to the automatic black
level calibration. However, the calibration bias voltage is the saturation voltage Vsat at the minimum
exposure time of the positive image mode. Therefore, the black level is slightly shifted when the exposure
time or image capture mode has changed. Nothing can be set when the AZ register is "H" and when the
automatic black level control is being executed.
Parameter
Z
1
0
1
0
Zero point calibration
Z
0
0
0
1
No adjustment
Positive image reading calibration
Negative image reading calibration
12.5.4. Automatic
Black Level Calibration Register - CL (Clamp Circuit)
As shown in Figure 6, the black level of the output voltage VOUT in the dark state does not equal to the
Vref value, even after automatic black level calibration. This is caused by offset voltage of an output
amplifier, non-uniformity in the internal arithmetic circuit, etc. A value of Voffset varies depending on an
image capture mode and setting of amplifier gain. However, by using the circuit shown in Figure 8, the
offset value Voffset of black level can be kept to a certain fixed value. The automatic black level
calibration using the clamp circuit is enabled at every image capture mode (except the random access
projection output) and it works when the CL register is "L" (initial value of CL: L). To activate the clamp
circuit, use both SH register (sample hold circuit) and OB register (black level output) by setting "L"
simultaneously.
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| M64285FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:CMOS Image Sensor(Image inputting systems for gaming devices, Toys, PC interface systems) |
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