SC84510FP Ver la hoja de datos (PDF) - Silan Microelectronics

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componentes Descripción

Fabricante

SC84510FP

PS/2 SCROLLING MOUSE CONTROLIER

Silan Microelectronics 

Silan

Semiconductors

SC84510

(D) PS/2 Mouse Error Handling:

(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

system. SC84510 resend the 3-byte data packet prior to clearing the counter.

(f) A response is sent within 25 ms if

a The system requires a response

b An error is detected in the transmission

(g) When a command requiring a response is issued by the system, another command should not be issue until

either the response is received or 25ms has passed.

(E) PS/2 Mouse Commands Description:

There are 16 valid commands that transmits between the system and SC84510. 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:

Hex Code

FF

FE

F6

F5

F4

F3, XX

F2

F0

EE

EC

EB

EA

E9

E8, XX

E7

E6

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 Auto-speed

Reset Auto-speed

SC84510 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

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

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