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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)： | 29/40頁 |
| 文件大小： | 454K |
| 代理商： | ADNS-2051 |
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29
Field Name
MOT
Description
Motion since last report or PD
0 = No motion
1 = Motion occurred, data ready for reading in Delta_X and Delta_Y registers
Reserved for future
LED Fault detected – set when R_BIN is too low or too high, shorts to V
DD
or Ground
0 = No fault
1 = Fault detected
Motion overflow Y,
Y buffer has overflowed since last report
0 = No overflow
1 = Overflow has occurred
Motion overflow X,
X buffer has overflowed since last report
0 = No overflow
1 = Overflow has occurred
Reserved for future
Reserved for future
Resolution in counts per inch
0 = 400
1 = 800
Reserved
FAULT
OVFY
OVFX
Reserved
Reserved
RES
Notes for Motion:
1. Reading this register freezes the Delta_X and Delta_Y register values. Read this register before reading the Delta_X and Delta_Y registers. If
Delta_X and Delta_Y are not read before the motion register is read a second time, the data in Delta_X and Delta_Y will be lost.
2. Agilent RECOMMENDS that registers 0x02, 0x03 and 0x04 be read sequentially.
3. Internal buffers can accumulate more than eight bits of motion for X or Y. If either one of the internal buffers overflows, then absolute path data
is lost, and the OVFX or OVFY bit is set. These bits (OVFX and OVFY) are cleared once some motion has been read from the Delta_X and Delta_Y
registers, and if the buffers are not at full scale. Since more data is present in the buffers, the cycle of reading the Motion, Delta_X and Delta_Y
registers should be repeated until the motion bit (MOT) is cleared. Until MOT is cleared, either the Delta_X or Delta_Y registers will read either
positive or negative full scale. If the motion register has not been read for a long time, at 400 cpi it may take up to 16 read cycles to clear the
buffers, at 800 cpi, up to 32 cycles.
4. FAULT is a sticky bit that is cleared by reading the Motion register. It signifies that an LED fault has occurred since the last time the motion
register was read. Once an LED fault has cleared, the hardware will drive the LED normally.
80
81
FE
FF
00
01
02
7E
7F
-128
-127
-2
-1
0
+1
+2
+126
+127
MOTION
DELTA_X
Bit
7
6
5
4
3
2
1
0
Field
X
7
X
6
X
5
X
4
X
3
X
2
X
1
X
0
Data Type: Eight bit 2‘s complement number.
USAGE: X movement is counts since last report. Absolute value is determined
by resolution. Reading clears the register.
Delta_X
Access: Read
Address: 0x03
Reset Value: 0x00
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| 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: |
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| 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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