EM84510
PS/2 SCROLLING MOUSE CONTROLLER
Value
Rate per second
1
2
3
4
5
6
7
2.7
6.4
9.2
12.8
15
18
20
(c) Voltage-sensing mode : There are 7 voltage levels in Z1, Z2 input. The transmission table is the same as
key-switches mode. The relationship between the value of Z-axis counter and the voltage as folllows :
Value
Voltage
0
1
2
3
4
5
6
7
1V↓
1.0V-1.6V
1.6V-2.2V
2.2V-2.8V
2.8V-3.4V
3.4V-4.0V
4.0V-4.6V
4.6V↑
Under VDD=5V condition.
(d) Mechanical mode : The function is the same as photo couples input mode, except there is no noise
immunity.
Z/1 : 1 dot per count.
Z/2 : 2 dot per count. Counted by Z2 changing phase.
* This specification are subject to be changed without notice.
5.30.2001
9
ELAN [ ELAN MICROELECTRONICS CORP ]
