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.
SIGMA
24278
QFP
SIGMADESIGNS
8960
BGA
SIGMADES
26800
QFP-208
EMC
8021
NA
SIGMADESIGNS
50000
BGA
SIGMADE
8560
QFP
SIGMADE
8560
QFP
SIGMADES
20000
QFP
SIGMADESIGNS
40
BGA
EMC
6000
DIP
AMCC
18000
BGA
QFOP208
30000
专营SAMSUNG
SIGMADESIGNS
40
BGA
SIGMADES
14
QFP