SC84502 데이터 시트보기 (PDF) - Silan Microelectronics

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SC84502

PS/2 MOUSE CONTROLLER

Silan Microelectronics 

Silan

Semiconductors

SC84502

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 Autospeed

Reset Autospeed

SC84502 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

EA, FA

FA

FA

The following describes valid commands:

a). Reset ( FF )

SC84502 operation:

i). Completion the reset.

ii). Transmitted FA,AA,00 to the system.

iii). Set default:

sampling rate: 100 reports/s

non-autospeed

stream mode

2 dots/count

disable

b). Resend ( FE )

i). Any time SC84502 receives an invalid command, it returns a Resend command to the system.

ii). When SC84502 receives a Resend command, it retransmits its last packet of data. If the last packet

was a Resend command, it transmits the packet just prior to the Resend command.

iii). In stream mode, if a Resend command is received by SC84502 immediately following a 3-byte data

packet transmission to the system.

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

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