EM84502BP EMC [ELAN Microelectronics Corp], EM84502BP Datasheet - Page 6

• Manufacturer Part Number: EM84502BP
• Description: PS/2 MOUSE ENCODER
• Manufacturer: EMC [ELAN Microelectronics Corp]

* This specification are subject to be changed without notice.
c). Set Default ( F6 )
d). Disable ( F5 )
e). Enable ( F4 )
f). Set Sampling Rate ( F3,XX )
g). Read Device Type ( F2 )
k). Read Data ( EB )
l). Set Stream Mode ( EA )
m). Status Request ( E9 )
h). Set Remote Mode ( F0 )
i). Set Wrap Mode ( EE )
j). Reset Wrap Mode ( EC )
The command reinitializes all conditions to the power-on defaults.
This command is used in the stream mode to stop transmissions from EM84502.
Begins transmissions, if in stream mode.
In the stream mode, this command sets the sampling rate to the value indicated by byte hex XX,
shown in following:
EM84502 always echoes “ FA,00 “ following this command.
Data value are reported only in response to a Read Data command.
Wrap mode remains until Reset ( FF ) or Reset Wrap Mode( EC ) is received.
EM84502 returns to the previous mode of operation after receiving this command.
This command is executed in either remote or stream mode. The data is transmitted even if there has been
no movement since the last report or the button status is unchanged. Following a Read Data command,
the registers are cleared after a data transmission.
This command sets EM84502 in stream mode.
When this command is issued by the system, EM84502 respond with a 3-byte status report as follows:
Second byte XX
Byte
1
0A
14
28
3C
50
64
C8
Bit
0
1
2
Sample Rate
10/sec
20/sec
40/sec
60/sec
80/sec
100/sec
200/sec
Description
1 = Right button pressed
1 = Middle button pressed
1 = Left button pressed
PS/2 MOUSE CONTROLLER
6.18.1998
EM84502
6