參數(shù)資料
型號: ADNS-3080
英文描述: High-performance Optical Mouse Sensor
中文描述: 高性能的光學鼠標傳感器
文件頁數(shù): 27/40頁
文件大?。?/td> 530K
代理商: ADNS-3080
27
Pixel_Sum
Address: 0x06
Access: Read
Reset Value: 0x00
Data Type: High 8 bits of an unsigned 16-bit integer.
USAGE: This register is used to find the average pixel value. It reports the upper byte of a 16-
bit counter which sums all 900 pixels in the current frame. It may be described as the full sum
divided by 256. To find the average pixel value, use the following formula:
Average Pixel = Register Value * 256 / 900 = Register Value/3.51
The maximum register value is 221 (63 * 900/256 truncated to an integer). The minimum is 0.
The pixel sum value can change on every frame.
Maximum_Pixel
Address: 0x07
Access: Read
Reset Value: 0x00
Data Type: Six bit number.
USAGE: Maximum Pixel value in current frame. Minimum value = 0, maximum value = 63. The
maximum pixel value can vary with every frame.
Reserved
Address: 0x08
Reserved
Address: 0x09
Bit
7
6
5
4
3
2
1
0
Field
AP
7
AP
6
AP
5
AP
4
AP
3
AP
2
AP
1
AP
0
Bit
7
6
5
4
3
2
1
0
Field
0
0
MP
5
MP
4
MP
3
MP
2
MP
1
MP
0
Figure 27. Mean squal vs. Z (white paper)
0
10
20
30
40
50
60
70
80
90
-1.0
-0.8
-0.6
-0.4
Delta from Nominal Focus (mm)
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
Avg
Avg - 3sigma
Avg + 3sigma
Mean SQUAL vs Z (White Paper)
S
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