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參數(shù)資料
| 型號： | ADNK-3080 |
| 廠商： | Avago Technologies Ltd. |
| 英文描述： | High-Performance Optical Mouse Sensor |
| 中文描述： | 高性能光學(xué)鼠標傳感器 |
| 文件頁數(shù)： | 34/39頁 |
| 文件大?。?/td> | 655K |
| 代理商： | ADNK-3080 |
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34
Bit
7
6
5
4
3
2
1
0
Field
FBm
7
FBm
6
FBm
5
FBm
4
FBm
3
FBm
2
FBm
1
FBm
0
Bit
7
6
5
4
3
2
1
0
Field
FBm
15
FBm
14
FBm
13
FBm
12
FBm
11
FBm
10
FBm
9
FBm
8
Frame_Period_Max_Bound_Lower
Address: 0x19
Access: Read/Write
Reset Value: 0xE0
Frame_Period_Max_Bound_Upper
Address: 0x1A
Access: Read/Write
Reset Value: 0x2E
Data Type: 16-bit unsigned integer.
USAGE: This value sets the maximum frame period (the MINIMUM frame rate) which may be selected by the automatic
frame rate control, or sets the actual frame period when operating in manual mode. Units are clock cycles. The formula
is
Frame Rate = Clock Frequency / Register value
To read from the registers, read Upper first followed by Lower. To write to the registers, write Lower first, followed by
Upper. To set the frame rate manually, disable automatic frame rate mode via the
Extended_Config
register and write
the desired count value to these registers.
Writing to the Frame_Period_Max_Bound_Upper and Lower registers also activates any new values in the following
registers:
Frame_Period_Max_Bound_Upper and Lower
Frame_Period_Min_Bound_Upper and Lower
Shutter_Max_Bound_Upper and Lower
Any data written to these registers will be saved but will not take effect until the write to the Frame_Period_Max_
Bound_Upper and Lower is complete. After writing to this register, two complete frame times are required to
implement the new settings. Writing to any of the above registers before the implementation is complete may put
the chip into an undefined state requiring a reset. The “Busy” bit in the Extended_Config register may be used in lieu
of a timer to determine when it is safe to write. See the Extended_Config register for more details.
The following table lists some Frame_Period values for popular frame rates (clock rate = 24MHz).
In addition, the three bound registers must also follow this rule when set to non-default values:
Frame_Period_Max_Bound ≥ Frame_Period_Min_Bound + Shutter_Max_Bound.
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADNS-3080 | High-Performance Optical Mouse Sensor |
| ADNS-3150-001 | Optical Mouse Designer’s Kit |
| ADNS-5020-EN | Optical Mouse Sensor |
| ADNS-5030 | Low Power Optical Mouse Sensor |
| ADNS-5100 | Solid-State Optical Mouse Lens |
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