HT82M25X 데이터 시트보기 (PDF) - Holtek Semiconductor
부품명
상세내역
제조사
HT82M25X Datasheet PDF : 13 Pages
| |||
HT82M25X
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. 7 6 5 4 3 2 1 0
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. 7 6 5 4 3 2 1 0
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. 7 6 5 4 3 2 1 0
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
F3h
C8h
F3h
64h
F3h
50h
F2h
Response From Mouse
FAh
FAh
FAh
FAh
FAh
FAh
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. 7 6 5 4 3 2 1 0
1st word 0 0 0 0 0 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
Rev. 1.00
5
May 14, 2007
Share Link: 