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PAN301A Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers

Part No. PAN301A
Description  CMOS HIGH PERFORMANCE OPTICAL MOUSE SENSOR
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Maker  ETC2 [List of Unclassifed Manufacturers]
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PAN301A Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers

 
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PixArt Imaging Inc.
PAN301A
CMOS Optical Mouse Sensor
0x02
Motion_Status
Bit
7
6
5
4
3
2
1
0
Field
Motion
Reserved[6:5]
DYOVF
DXOVF
RES[2:1]
Reserved
Usage
Register 0x02 allows the user to determine if motion has occurred since the last time it was read. If
so, then the user should read registers 0x03 and 0x04 to get the accumulated motion. It also tells if
the motion buffers have overflowed since the last reading. The current resolution is also shown.
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.
Field Name
Description
Motion
Motion since last report or PD
0 = No motion (Default)
1 = Motion occurred, data ready for reading in Delta_X and Delta_Y registers
Reserved[6:5]
Reserved for future
DYOVF
Motion Delta Y overflow, ∆Y buffer has overflowed since last report
0 = No overflow (Default)
1 = Overflow has occurred
DXOVF
Motion Delta X overflow, ∆X buffer has overflowed since last report
0 = No overflow (Default)
1 = Overflow has occurred
RES[2:1]
Resolution in counts per inch
0 = 800 (Default @ PAN301ASI-208)
1 = 400 (Default @ PAN301ASI-204)
2 = 600
Notes
Reserved
Reserved for future
0x03
Delta_X
Bit
7
6
5
4
3
2
1
0
Field
X7
X6
X5
X4
X3
X2
X1
X0
Usage
X movement is counts since last report. Absolute value is determined by resolution. Reading clears
the register. Report range –128~+127.
0x04
Delta_Y
Bit
7
6
5
4
3
2
1
0
Field
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
Usage
Y movement is counts since last report. Absolute value is determined by resolution. Reading clears
the register. Report range –128~+127.
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission
.
5
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V1.3, MAY. 2004


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