Description
The EM83812 PnP Scrolling Mouse Controller is specially designed to control serial mouse device.
Features
- Using 50kΩ ±1% resistor for RC oscillation. Compatible with Microsoft serial scrolling mouse. 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. Built-in three zener diodes : one in VDD to VSS, two in RTS to VDD. CMOS push-pull RXD output. Built-in current comparator for photo-couples input. Built-in three step dynamic input impedance. Three key-switches and four photo-couples inputs. RTS debouncing circuit.
EM83812 Datasheet
