參數(shù)資料
型號: 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): 16/36頁
文件大?。?/td> 320K
代理商: M64283FP
Mitsubishi Integrated Circuit <Linear IC>
M64283FP
Image Sensor (Artificial Retina Chip)
16/
35
Specifications and information in this document are subject to change without notice.
Ver. 2. 2. 3
07/22/1998
Semiconductor Technical Data
MITSUBISHI
Figure 8. Automatic Black Level calibration Circuit with Clamp Circuit
Parameter
SH
0
1
Automatic black level control
AZ
0
1
OB
0
1
Enable
Disable
12.5.5. Offset Adjustment O Register (6 bits)
This register calibrates Voffset, the offset voltage from the output pin voltage Vref. The most significant bit
O
5
is a sign bit. It can be adjusted in the positive direction and the negative direction if the most significant
bit is set to "H" and "L" respectively. A maximum value shall be 0.5 V. The amplitude is controlled by 5-bit
resolution.
O
5
Register setting
range
H20 to H3F
H00 to H1F
Offset voltage (V)
Step (mV)
Number of steps
H
L
0 to 0.5
0 to -0.5
16
16
32
32
12.5.6. Dark Pixel Line Output OB (1 bit)
When an image is output with the OB register being "L", the first line of the image frame becomes the
output signal from 128 dark pixels. Adjust the O register so that this dark pixel output (optical black) level
128 x 128 pixel array
V
Horizontal control circuit
Dark pixel column
Exposure time
Black level before
After
XCK
READ
V
OUT
Time
V
OUT
V
REF
V
offset
CL
C
CL
Vref
V
out
V
REF
Olx
-
+
+
-
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