Part Number : EM84520BP
Function : 2-in-one Scrolling Mouse Controller
Package : DIP, SOP 16 Pin Type
Maker : ELAN Microelectronics
Pinouts : 
Description :
The EM84520, EM84520BP 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.
Features
• Using 50kW ±1% resistor for RC oscillation.
• Compatible with legacy PS/2 mouse.
• Compatible with Microsoft serial scrolling mouse.
• Compatible with Microsoft PS/2 scrolling mouse.
• Serial or PS/2 port auto-detect.
• 100 bytes PnP ID code could be filled by code layer.
• Built-in noise immunity circuit.
• The sampiling rate of motion detector is up to 65KHz
Datasheet PDF Download : 
Others datasheet of same file :
EM84520, EM84520AP, EM84520B, EM84520CP, EM84520DP
