參數(shù)資料
型號(hào)： ADNS-2051
英文描述： Optical Mouse Sensor
中文描述： 光學(xué)鼠標(biāo)傳感器
文件頁數(shù)： 37/40頁
文件大小： 454K
代理商： ADNS-2051
37
←
Default Max. Shutter
Max Shutter
Decimal
5010
6184
9184
15184
33184
Shutter
Upper
13
18
23
3B
81
Frames/second
2300
2000
1500
1000
500
Hex
0x1392
0x1828
0x23E0
0x3B50
0x81A0
Lower
92
28
E0
50
A0
*Note:
To optimize tracking performance on dark surfaces, it is recommended that an adaptive frame
rate based on shutter value be implemented, for frame rates greater than 1500. Changing the
frame rate results in changes in the maximum speed, acceleration limits, and dark surface
performance.
To read from the registers, read Frame_Period_Upper first followed by Frame_Period_Lower.
To write to the registers, write Frame_Period_Lower first followed by Frame_Period_Upper.
The maximum value of the shutter is dependent upon the frame rate
and clock frequency. The formula for the maximum shutter value is:
Clock Frequency
Frame Rate
Max. Shutter Value = –2816
For a clock frequency of 18 MHz, the following table shows the maxi-
mum shutter value. 1 clock cycle is 55.56 nsec.
←
Default Frame Time
Counts
Decimal
7826
9000
12000
18000
36000
Frame_Period
Upper
E1
DC
D1
B9
73
Frames/second
2300*
2000*
1500
1000
500
Hex
0x1E92
0x2328
0x2EE0
0x4650
0x8CA0
2‘s Comp
0xE16E
0xDCD8
0xD120
0xB9B0
0x7360
Lower
6E
D8
20
B0
60
←
Minimum Frame Time
Bit
7
6
5
4
3
2
1
0
Field
FP
7
FP
6
FP
5
FP
4
FP
3
FP
2
FP
1
FP
0
Frame_Period_Lower
Access: Read/Write
Address: 0x10
Reset Value: 0x20
Bit
7
6
5
4
3
2
1
0
Field
FP
15
FP
14
FP
13
FP
12
FP
11
FP
10
FP
9
FP
8
Data Type: Sixteen bit 2‘s complement word.
USAGE: The frame period counter counts up until it overflows. Units are clock
cycles. The formula is:
= Counts (decimal) Counts (hex) Counts (2‘s complement hex)
Frame Rate
For an 18 MHz clock, here are the Frame_Period values for popular frame rates.
Frame_Period_Upper
Access: Read/Write
Address: 0x11
Reset Value: 0xd1
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ADNS-2080 功能描述:光學(xué)導(dǎo)航傳感器 LED Sensor RoHS:否 制造商:Avago Technologies 工作電源電壓: 封裝 / 箱體: 最大工作溫度: 最小工作溫度:
ADNS-2120 功能描述:光學(xué)導(dǎo)航傳感器 Round Mouse Lens RoHS:否 制造商:Avago Technologies 工作電源電壓: 封裝 / 箱體: 最大工作溫度: 最小工作溫度:
ADNS-2120-001 功能描述:光學(xué)導(dǎo)航傳感器 Trim Mouse Lens RoHS:否 制造商:Avago Technologies 工作電源電壓: 封裝 / 箱體: 最大工作溫度: 最小工作溫度:
ADNS-2220 功能描述:光學(xué)導(dǎo)航傳感器 Black Optical Mouse Clip RoHS:否 制造商:Avago Technologies 工作電源電壓: 封裝 / 箱體: 最大工作溫度: 最小工作溫度:
ADNS-2220-001 功能描述:光學(xué)導(dǎo)航傳感器 Clear Optical Mouse Clip RoHS:否 制造商:Avago Technologies 工作電源電壓: 封裝 / 箱體: 最大工作溫度: 最小工作溫度:
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