EM84510AP ELAN Microelectronics Corp, EM84510AP Datasheet - Page 5

• Manufacturer Part Number: EM84510AP
• Description: PS/2 SCROLLING MOUSE CONTROLLER
• Manufacturer: ELAN Microelectronics Corp

* This specification are subject to be changed without notice.
E). PS/2 Mouse Commands Description:
a). Reset ( FF )
iii). Set default:
ii). Transmitted FA,AA,00 to the system.
iii). The counter accumulators are cleared after receiving any command except “Resend”.
iv). EM84510 receives a Resend command ( FE ), it transmit its last packet of data.
v). In the stream mode “Resend” is received by EM84510 following a 3-byte data packet transmission
vi). A response is sent within 25 ms if
vii). When a command requiring a response is issued by the system ,another command should not be issue
There are 16 valid commands that transmits between the system and EM84510. The “FA” code is always the
first response to any valid input received from the system other than a Set Wrap Mode or Resend command.
The following table list the commands:
The following describes valid commands:
i). Completion the reset.
a). The system requires a response
b). An error is detected in the transmission
Hex Code
FF
FE
F6
F5
F4
F3,XX
F2
F0
EE
EC
EB
EA
E9
E8,XX
E7
E6
EM84510 operation:
sampling rate: 100 reports/s
non-autospeed
to the system. EM84510 resend the 3-byte data packet prior to clearing the counter.
until either the response is received or 25ms has passed.
Command
Reset
Resend
Set Default
Disable
Enable
Set Sampling Rate
Read Device Type
Set Remote Mode
Set Wrap Mode
Reset Wrap Mode
Read Data
Set Stream Mode
Status Request
Set Resolution
Set Autospeed
Reset Autospeed
EM84510 echo code
FA,AA,00
XX,(XX,XX)
FA
FA
FA
FA,FA
FA,00
FA
FA
FA
FA,XX,XX,XX
FA
FA,XX,XX,XX
FA,FA
FA
FA
PS/2 SCROLLING MOUSE CONTROLLER
5.30.2001
EM84510
5