EM84530 Ver la hoja de datos (PDF) - ELAN Microelectronics

Número de pieza

componentes Descripción

Fabricante

EM84530

2-IN-ONE MOUSE CONTROLLER

ELAN Microelectronics 

Preliminary

(III) Microsoft PS/2 scrolling mouse mode:

EM84530

2-IN-ONE MOUSE CONTROLLER

(A) Entering procedure: Except in WRAP mode, while EM84530 received the following consecutive

command.

i. F3 C8

ii. F3 64

iii. F3 50

---- set sampling rate 200/sec

---- set sampling rate 100/sec

---- set sampling rate 80/sec

(B) Operating:

a. All of the commands 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

Bit

1

0

1

2

3

4

5

6

7

2

0-7

3

0-7

4

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 )

Reserved ( 0 )

(C) Exiting Microsoft PS/2 mouse mode:

There are two ways to exit:

a. Power off.

b. Reset command (FF).

* This specification are subject to be changed without notice.

6.28.1999 9

Share Link: