EM84520 Overview
Key Specifications
Description
The EM84520 Scrolling Mouse Controller is specially designed to control serial mouse or PS/2 mouse device. This single chip can interface three key-switches and 4 X-Y photo-couples plus Z-axis directly to RS-232C or 8042 controller.
Key Features
- Photo couples input. (Z/1)
- Mechanical input. (Z/1)
- Key-switches input
- Photo couples input. (Z/4)
- Voltage-sensing input
