SC84502 데이터 시트보기 (PDF) - Silan Microelectronics

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SC84502

PS/2 MOUSE CONTROLLER

Silan Microelectronics 

Silan

Semiconductors

SC84502

c). Set Default (F6)

The command reinitializes all conditions to the power-on defaults.

d). Disable (F5)

This command is used in the stream mode to stop transmissions from SC84502.

e). Enable (F4)

Begins transmissions, if in stream mode.

f). Set Sampling Rate (F3, XX)

In the stream mode, this command sets the sampling rate to the value indicated by byte hex XX, shown in

following:

Second byte XX

0A

14

28

3C

50

64

C8

Sample Rate

10/sec

20/sec

40/sec

60/sec

80/sec

100/sec

200/sec

g). Read Device Type (F2)

SC84502 always echoes “FA, 00 “ following this command.

h). Set Remote Mode (F0)

Data values are reported only in response to a Read Data command.

i). Set Wrap Mode (EE)

Wrap mode remains until Reset (FF) or Reset Wrap Mode (EC) is received.

j). Reset Wrap Mode (EC)

SC84502 returns to the previous mode of operation after receiving this command.

k). Read Data (EB)

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.

l). Set Stream Mode (EA)

This command sets SC84502 in stream mode.

m). Status Request (E9)

When this command is issued by the system, SC84502 respond with a 3-byte status report as follows:

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

9

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