EM85000
EM85000
APPLE DESKTOP BUS MOUSE CONTROLLER
APPLE DESKTOP BUS MOUSE CONTROLLER
GENERAL DESCRIPTION
The EMC ADB Mouse Controller is a mouse controller for apple mouse system.
The following functions are supported:
• Controller receives command or data from Host.
• Controller transmits data to Host.
FEATURES
• Two-button mouse and trackball controller.
• Key Lock function is available.
• Both photo discharge and non-discharge modes are available.
• Discharge mode can reduce X,Y DC offset level.
• Dynamic LEDs Control to reduce system power consumption.
• Four stages sample rate at 1KHz,2.5KHz,5KHz,10KHz.
• Include Noise Immunity methodology to avoid false entry.
• Operating frequence at 3.58MHz.
• 18 Pin DIP.
PIN ASSIGNMENTS
EM85000
DISC
LLED
VDD
RESET
VSS
X1
X2
R
M
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
DIN
DOUT
OSCI
OSCO
VDD
DLED
LOCK
Y1
Y2
* This specification are subject to be changed without notice.
11.6.1995
1
EMC [ ELAN MICROELECTRONICS CORP ]
