EM83807 ALL-IN-ONE PLUG & PLAY 3-BUTTON SERIAL MOUSE CONTROLLER
ary n i m i l e Pr
GENERAL DESCRIPTION
The EM83807 Mouse Controller is specially designed to control serial mouse device.
This single chip can interface three key-switches and 4 X-Y photo-couples directly to RS-232C.
FEATURES
• • • • • • • • • • • • • • Include
PnP software scrolling function Using 50kΩ ±1% resistor for RC oscillation.
Compatible with Microsoft serial 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 comp...