SC84510 ETC, SC84510 Datasheet - Page 8

• Manufacturer Part Number: SC84510
• Description: PS/2 SCROLLING MOUSE CONTROLIER
• Manufacturer: ETC

(D) PS/2 Mouse Error Handling:
(E) PS/2 Mouse Commands Description:
(a) A Resend command (FE) following receipt of an invalid input or any input with incorrect parity.
(b) If two invalid input are received in succession, an error code of hex FC send to the system.
(c) The counter accumulators are cleared after receiving any command except “Resend”.
(d) SC84510 receives a Resend command (FE), it transmit its last packet of data.
(e) In the stream mode “Resend” is received by SC84510 following a 3-byte data packet transmission to the
(f) A response is sent within 25 ms if
(g) When a command requiring a response is issued by the system, another command should not be issue until
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:
system. SC84510 resend the 3-byte data packet prior to clearing the counter.
either the response is received or 25ms has passed.
There are 16 valid commands that transmits between the system and SC84510. The “FA” code is always the
a The system requires a response
b An error is detected in the transmission
The following describes valid commands:
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Silan
Semiconductors
E8, XX
F3, XX
EE
EC
EB
EA
FF
FE
F6
F5
F4
F2
F0
E9
E7
E6
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 Auto-speed
Reset Auto-speed
8
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
Rev: 1.0
2000.12.31