參數(shù)資料
型號(hào): ADNS-5030
廠商: Avago Technologies Ltd.
英文描述: Low Power Optical Mouse Sensor
中文描述: 低功率光學(xué)鼠標(biāo)傳感器
文件頁(yè)數(shù): 18/24頁(yè)
文件大?。?/td> 366K
代理商: ADNS-5030
1
Squal
Access: Read
Address: 0x05
Reset Value: 0x00
Figure 13. Squal values (white paper).
Figure 14. Mean squal vs. Z (white paper).
Data Type:
Upper 8 bits of a 9-bit unsigned integer
USAGE:
SQUAL (Surface Quality) is a measure of the number of valid features visible by the sensor in the
current frame.
The maximum SQUAL register value is 144. Since small changes in the current frame can result in
changes in SQUAL, variations in SQUAL when looking at a surface are expected. The graph below
shows 250 sequentially acquired SQUAL values, while a sensor was moved slowly over white paper.
SQUAL is nearly equal to zero, if there is no surface below the sensor. SQUAL is typically maximized
when the navigation surface is at the optimum distance from the imaging lens (the nominal Z-
height).
Bit
Field
7
6
5
4
3
2
1
0
SQ
7
SQ
6
SQ
5
SQ
4
SQ
3
SQ
2
SQ
1
SQ
0
Squal (White paper)
0
10
20
30
40
50
60
70
80
90
100
1
101
201
301
401
501
601
701
801
Count
S
Mean Squal vs Z (White paper)
-10
0
10
20
30
40
50
60
70
1.6
1.8
2
2.2
2.4
2.6
2.8
3
3.2
Delta from Nominal Focus (mm)
S
Avg-3sigma
Avg
Avg+3sigma
相關(guān)PDF資料
PDF描述
ADNS-5100 Solid-State Optical Mouse Lens
ADNS-5100-001 Solid-State Optical Mouse Lens
ADPDC2BB4AW General Purpose Snap-acting Switches
ADGGF3B14AC General Purpose Snap-acting Switches
ADGGF3B14AW General Purpose Snap-acting Switches
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