SC84520 Description
The SC84520 Scrolling Mouse Controller id specially designed to control serial mouse or PS/2 mouse device. This single chip can interface three key-switched and 4 X-Y photo-couples plus Z-axis directly plus Z-axis directly to RS-232C or 8042 controller. There are four types Z-axis inputs used to implement scrolling mouse functionality.
SC84520 Key Features
- Using 50kΩ ± 1% resistor for RC oscillation -patible with legacy PS/2 mouse -patible with Microsoft serial scrolling mou