SC84520FP 查看數據表（PDF） - Silan Microelectronics

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产品描述 (功能)

生产厂家

SC84520FP

TWO IN ONE SCROLLING MOUSE CONTROLLER

Silan Microelectronics 

Silan

Semiconductors

SC84520

3.MICROSOFT OPS/2 SCROLLING MOUSE MODE:

A) Entering procedure: Except in WRAP mode, While SC84520 received the following consecutive

command.

a. F3 C8

---- set sampling rate 200/sec

b. F3 64

---- set sampling rate 100/sec

c. F3 50

---- set sampling rate 80/sec

B) Operating:

a. All of the command in legacy mode still be valid.

b. The ID code of read device type command (F2) will changed from “00” to be “03”.

c. Data report will be four bytes format:

Byte

1

2

3

4

Bit

0

1

2

3

4

5

6

7

0-7

0-7

0-7

Description

Left button status; 1 = pressed

Right button status; 1 = pressed

Middle button status; 1 = pressed

Reserve

X data sign; 1 = negative

Y data sign; 1 = negative

X data overflow; 1 = overflow

Y data overflow; 1 = overflow

X data (D0 – D7)

Y data (D0 – D7)

Z data (D0 – D7)

C) Exiting Microsoft scrolling mode:

There are two ways to exit:

a. Power off.

b. Reset command (FF).

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

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