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PAW3504 Datasheet(PDF) 9 Page - Pixart Imaging Inc. |
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PAW3504 Datasheet(HTML) 9 Page - Pixart Imaging Inc. |
9 / 13 page PixArt Imaging Inc. PAW3504 Pure USB Optical Mouse Sensor Single Chip 5.2 USB Data Report Format 9 The USB report has two data formats, depending on boot or report protocol is selected. One kind of data format is the boot protocol used in legacy environment as 5.2.1. The other kind of data format is USB report protocol format which includes Z-wheel movement data in the fourth byte as 5.2.2. The Z-wheel is moved forward the fourth byte data is 01H, the Z-wheel is moved backward the fourth byte data is FFH, and the Z-wheel is idle the fourth byte data is 00H. 5.2.1 USB Boot Protocol for Legacy Operation Byte Bit Symbol Description 0 BL 1 = Left button pressed 1 BR 1 = Right button pressed 2 BM 1 = Middle button pressed 1 3 ~ 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. 5.2.2 USB Report Protocol Byte Bit Symbol Description 0 BL 1 = Left button pressed 1 BR 1 = Right button pressed 2 BM 1 = Middle button pressed 3 B4 Reserved 4 B5 Reserved 1 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. All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: fae_service@pixart.com.tw V1.0 June. 2008 |
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