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參數(shù)資料
| 型號： | EM84501 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | PS/2 Mouse Controller(兼容PS/2鼠標模式帶內置抗噪電路的鼠標控制器) |
| 中文描述： | PS / 2鼠標控制器（兼容的PS / 2鼠標模式帶內置抗噪電路的鼠標控制器） |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 74K |
| 代理商： | EM84501 |
EM84501
PS/2 MOUSE CONTROLLER
1
* This specification are subject to be changed without notice.
4.15.1996
GENERAL DESCRIPTION
The EM84501 Mouse Controller is specially designed to control PS/2 mouse device.This single chip can
interface three key-switches and four photo-couples direct to 8042. EM84501 can receive command and echo
status or data format which are compatible with IBM PS/2 mode mouse. Key debouncing circuit is provided
to prevent false entry and improve the accuracy.
In the conventional mouse, a great number of noises are generated when the grid is partially closed or opened.
These noise are usually mistaken for movement signals by conventional mouse controller and the cursor of the
dispaly screen is thus moved frequently up and down or back and forth. This will consumes a great amount of
energy.The EM84501 PS/2 mouse controller provides noise immunity circuits to eliminate these noise
in order to reduce energy consumption.
FEATURES
Being compatiable with PS/2 mouse mode.
Built-in noise immunity circuit.
Low power dissipation.
RC oscillation.
Three key-switches and four photo-couples inputs.
Both key-press and key-release debounce interval 12 ms.
Through three key-switches input, EM84501 can exert seven different output.
The motion detector of the EM84501 could sense 8 m/sec maximun with 200 DPI wheels.
APPLICATIONS
Optical mouse or pen-mouse.
Mechanical mouse or pen-mouse.
Optomechanical mouse or pen-mouse.
Mechanical track ball.
Optomechanical track ball.
PIN ASSIGNMENT
V
DD
OP
NC
NC
OSC.OUT
CLK
DATA
VSS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OSCR
Y2
Y1
X2
X1
L
M
R
EM84501BP
V
DD
OP
NC
NC
OSC.OUT
CLK
DATA
VSS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OSCR
Y2
Y1
X2
X1
L
M
R
EM84501BM*
V
DD
OP
OSC.OUT
CLK
DATA
VSS
R
1
2
3
4
5
6
7
14
13
12
11
10
9
8
OSCR
Y2
Y1
X2
X1
L
M
EM84501AP
V
DD
OP
OSC.OUT
CLK
DATA
VSS
R
1
2
3
4
5
6
7
14
13
12
11
10
9
8
OSCR
Y2
Y1
X2
X1
L
M
EM84501AM
* (Under developed)
Patent Number : 38715, 95661, 104815, 107687, 107688
(R.O.C)
Patent Pending : 83217607 (R.O.C)
相關PDF資料 |
PDF描述 |
|---|---|
| EM84502 | PS/2 MOUSE ENCODER |
| EM84502AM | PS/2 MOUSE ENCODER |
| EM84502AP | PS/2 MOUSE ENCODER |
| EM84502BM | PS/2 MOUSE ENCODER |
| EM84502BP | PS/2 MOUSE ENCODER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EM84502 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:PS/2 MOUSE ENCODER |
| EM84502AM | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:PS/2 MOUSE ENCODER |
| EM84502AP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:PS/2 MOUSE ENCODER |
| EM84502BM | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:PS/2 MOUSE ENCODER |
| EM84502BP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:PS/2 MOUSE ENCODER |
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