參數(shù)資料
型號: ADNS-3060
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): 31/38頁
文件大?。?/td> 530K
代理商: ADNS-3060
31
Frame_Period_Lower
Address: 0x10
Access: Read
Bit
Reset Value: Undefined
5
4
Frame_Period_Upper
Address: 0x11
Access: Read
Reset Value: Undefined
Motion_Clear
Address: 0x12
Access: Write
Reset Value: Undefined
Data Type: Any.
USAGE: Writing any value to this register will cause the Delta_X, Delta_Y, and internal motion
registers to be cleared. Use this as a fast way to reset the motion counters to zero without
resetting the entire chip.
Data Type: Sixteen bit unsigned integer.
USAGE: Read these registers to determine the current frame period and to calculate the frame
rate. Units are clock cycles. The formula is
Frame Rate = Clock Frequency/Register value
To read from the registers, read Frame_Period_Upper first followed by Frame_Period Lower.
To set the frame rate manually, disable automatic frame rate mode via the Extended_Config
register and write the desired count value to the Frame_Period_Maximum_Bound registers.
The following table lists some Frame_Period values for popular frame rates with a 24MHz clock.
7
6
3
2
1
0
Field
FP
7
FP
6
FP
5
FP
4
FP
3
FP
2
FP
1
FP
0
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
Frames/second
Counts
Frame_Period
Decimal
Hex
Upper
Lower
6469
3,710
OE7E
OE
7E
5000
4,800
12C0
12
C0
3000
8,000
1F40
1F
40
2000
12,000
2EE0
2E
E0
1500
16,000
3E80
3E
80
500
48,000
BB80
BB
80
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