RSM84510 ETC, RSM84510 Datasheet - Page 11

• Manufacturer Part Number: RSM84510
• Description: PS/2 Scrolling Mouse Controller
• Manufacturer: ETC

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DataSheet
4
(b) Key-switches input : Pressing Z1, Z2 will start to fill the Z-axis counter with the value beginning at
(d) Mechanical mode : The function is the same as photo couples input mode, except there is no noise
*WUXI RISONG MICRO ELECTRONIC CO.,LTD
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(c) Voltage-sensing mode : There are 7 voltage levels in Z1, Z2 input. The transmission table is the same as
.com
Z/1 : 1 dot per count.
Z/4 : 4 dots per count. Counted by Z1=1, Z2=1 phase, the wheel should stay at Z1=0, Z2=0 phase.
one.Toggling "M" key can increase the value any time by one. The limit value is ±7.
The relationship between the value and the transmission rate as follows :
key-switches mode. The relationship between the value of Z-axis counter and the voltage as folllows :
Z/1 : 1 dot per count.
Z/2 : 2 dot per count. Counted by Z2 changing phase.
noise immunity.
Under V
immunity.
DD
=5V condition.
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Value
0
1
2
3
4
5
6
7
Value
1
2
3
4
5
6
7
Rate per second
PS/2 SCROLLING MOUSE CONTROLLER
12.8
2.7
6.4
9.2
1.0V-1.6V
1.6V-2.2V
2.2V-2.8V
2.8V-3.4V
3.4V-4.0V
4.0V-4.6V
15
18
20
4.6 V↑
Voltag
1 V↓
31/05/02
RSM84510
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