EM84510AP ELAN Microelectronics Corp, EM84510AP Datasheet - Page 7

• Manufacturer Part Number: EM84510AP
• Description: PS/2 SCROLLING MOUSE CONTROLLER
• Manufacturer: ELAN Microelectronics Corp

* This specification are subject to be changed without notice.
l). Set Stream Mode ( EA )
m). Status Request ( E9 )
n). Set Resolution ( E8,XX )
o). Set Autospeed ( E7 )
p). Reset Autospeed ( E6 )
This command sets EM84510 in stream mode.
When this command is issued by the system, EM84510 respond with a 3-byte status report as follows:
At the end of a sample interval in the stream mode, the current X and Y data values are converted new values.
The sign bits are not involved in this conversion. The conversion is only in stream mode. The relationship
between the input and output count follows:
This command restore normal speed.
EM84510 provides four resolutions selected by the second byte of this command as follows:
Byte
1
2
3
Input
0
1
2
3
4
5
N( 6 )
Second Byte XX
Bit
0
1
2
3
4
5
6
7
0-7
0-7
00
01
02
03
Description
1 = Right button pressed
1 = Middle button pressed
1 = Left button pressed
Reserved
0 = Normal speed, 1 = Autospeed
0 = Disabled, 1 = Enabled
0 = Stream mode, 1 = Remote mode
Reserved
Current resolution setting ( D0 - D7 )
Current sampling rate ( D0 - D7 )
Resolution
8 dot/count
4 dot/count
2 dot/count
1 dot/count
Ouput
0
1
1
3
6
9
2.0*N
PS/2 SCROLLING MOUSE CONTROLLER
5.30.2001
EM84510
7