PAW3501UI Datasheet, PDF (8/14 Pages) Pixart Imaging Inc. – USB OPTICAL MOUSE SENSOR SINGLE CHIP

PixArt Imaging Inc.
PAW3501UI
USB Optical Mouse Sensor Single Chip
5.2.2 USB Report Protocol
Byte Bit Symbol Description
1
0
BL 1 = Left button pressed
1
BR 1 = Right button pressed
2
BM 1 = Middle button pressed
3
B4 1 = B4 button pressed
4
B5 1 = B5 button pressed
5~7
NC Reserved
2 0 - 7 X0 ~ X7 X data (D0 - D7). A positive value indicates motion to the right; a negative value
indicates motion to the left. Bit 0 = LSB.
3 0 - 7 Y0 ~ Y7 Y data (D0 - D7). A positive value indicates device motion upward; a negative
value indicates motion downward. Bit 0 = LSB.
4 0 - 7 Z0 ~ Z7 Z-wheel motion data (D0 - D7). A positive value indicates device motion
downward; a negative value indicates motion upward. The Z0 - Z7 limit value is
±7. Bit 0 = LSB.
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8
PixArt Imaging Inc.
E-mail: [e-mail]
V2.1 April. 2008