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參數(shù)資料
| 型號： | UT84520 |
| 廠商： | 友順科技股份有限公司 |
| 英文描述： | PS/2 SCROLLING MOUSE CONTROLLER |
| 中文描述： | 的PS / 2滾動鼠標(biāo)控制器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 135K |
| 代理商： | UT84520 |
UTC UT84520 CMOS IC
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R502-004,A
PS/2 SCROLLING MOUSE CONTROLLER
DESCRIPTION
The UT84520 Scrolling Mouse Controller is specially
designed to control PS/2 mouse device
．
This single chip can
interface with three key-switches and 4X-Y photo-couples plus
Z-axis directly to 8042 controller
．
There are four types of Z-axis inputs used to implement
scrolling mouse functionality
．
FEATURES
*Using 50K
Ω
+5% resistor for RC oscillation
．
*Compatible with legacy PS/2 mouse
．
*Compatible with Microsoft PS/2 scrolling mouse
．
*Built-in noise immunity circuit
．
*The sampling rate of motion detector is up to 65KHz
．
*Built-in three step dynamic input impedance
．
*Three key-switches and four photo-couples inputs
．
*Photo couple test mode included
﹒
*Low power dissipation
．
*Two types Z direction input:
1.Photo couples input
2.Mechanical input
DIP-16
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