Function : 2-in-one scrolling mouse controller
Maker : ELAN Microelectronics
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.
There are four types Z-axis inputs used to implement scrolling mouse functionality.
Datasheet PDF Download :
Others datasheet of same file : EM84520,EM84520AP,EM84520BP,EM84520CP,EM84520DP