EM84502 - PS/2 MOUSE ENCODER
The EM84502 Mouse Controller is specially designed to control PS/2 mouse device.This single chip can interface three key-switches and four photo-couples direct to 8042.
EM84502 can receive command and echo status or data format which are compatible with IBM PS/2 mode mouse.
Key debouncing circuit is
EM84502 Features
* Being compatiable with PS/2 mouse mode. Built-in noise immunity circuit. Low power dissipation. RC oscillation. Three key-switches and four photo-couples inputs. Both key-press and key-release debounce interval 12 ms. Th
