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HT82M25X Datasheet(PDF) 5 Page - Holtek Semiconductor Inc |
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HT82M25X Datasheet(HTML) 5 Page - Holtek Semiconductor Inc |
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5 / 13 page  HT82M25X Rev. 1.00 5 May 14, 2007 Functional Description PS/2 Mouse · PS/2 status byte ¨ Byte 1 Bit 7: Reserved Bit 6: 0=Stream Mode, 1=Remote Mode Bit 5: 0=Disabled, 1=Enabled Bit 4: 0=Scaling 1:1, 1=Scaling 2:1 Bit 3: 1=Wrap Mode, 0=Stream or Remote (different from IBM specs.) Bit 2: 1=Left Button Pressed Bit 1: 1=Middle Button Pressed Bit 0: 1=Right Button Pressed ¨ Byte 2 Bit 0~7 current resolution setting (Bit 0=LSB) ¨ Byte 3 Bit 0~7 current sampling rate (Bit 0=LSB) · Standard PS/2 data format (HT82M25A/HT82M25A-1, HT82M25B/HT82M25B-1) Bit No. 76543210 1st word YV XV YS XS 1 M R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 · Data format for 3D PS/2 (HT82M25A/HT82M25A-1, HT82M25B/HT82M25B-1) Bit No. 76543210 1st word YV XV YS XS 1 M R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4th word Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 Note: The X/Y data report is 9-bit 2 ¢s complement The Z data report is 8-bit 2 ¢s complement · Data format for 5-button Wheel Mouse (HT82M25A/HT82M25A-1) Bit No. 76543210 1st word 0 0 YS XS 1 M R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4th word 0 0 RB1 RB0 Z3 Z2 Z1 Z0 Note: X- movement towards the right is positive, mov- ing towards the left is negative Y- upward movement is positive, moving down is negative Z- rolling towards the user is positive, otherwise negative Button status: 1=pressed, 0=released · For the HT82M25B/HT82M25B-1, HT82M25C/ HT82M25C-1, the mouse mode changes between Standard and 3D PS/2 mode. Sending the commands in the following sequence will set the mouse to the 3D PS/2 mode. Command Response From Mouse F3h FAh C8h FAh F3h FAh 64h FAh F3h FAh 50h FAh F2h FAh, 03h · For the HT82M25A/HT82M25A-1, the mouse mode changes between Standard and Windows 2000 PS/2 mode. Sending the commands in the following sequence will set the mouse to the Windows 2000 PS/2 mode. Command Response From Mouse F3h FAh C8h FAh F3h FAh C8h FAh F3h FAh 50h FAh F2h FAh, 04h ¨ At any time the PC sends a reset ²FFh² command to the mouse, it will reset the mouse to Standard PS/2 mode. After a power-on reset is initiated, the mouse is set to Standard PS/2 mode. · USB mouse data format for 3D mode (HT82M25A/HT82M25A-1, HT82M25B/HT82M25B-1, HT82M25C/HT82M25C-1) Bit No. 76543210 1st word 00000 M R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4th word Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 |
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Similar Description - HT82M25X |
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