EM84513

Mouse Controller

Product Specification ((V0.9) 06.16.2006

•••• 9

(This specification is subject to change without further notice)

EM84513 provides four resolutions selected by the second byte of this

command as follows:

Second Byte XX

Resolution

00

8 dot/count

01

4 dot/count

02

2 dot/count

03

1 dot/count

At the end of a sample interval in the stream mode, the current X and Y data

values are converted new values. The sign bits are not involved in this

conversion. The conversion is only in stream mode.

This command restore normal speed.

7.2 Microsoft PS/2 Scrolling Mouse Mode

7.2.1 Entering Procedure

Except in WRAP mode, while EM84513 received the following consecutive command.

F3 C8 ---- set sampling rate 200/sec

F3 64 ---- set sampling rate 100/sec

F3 50 ---- set sampling rate 80/sec

7.2.2 Operating

All of the commands in legacy mode still be valid.

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

Data report will be four bytes format:

Byte

Bit

Description

1

0

Left button status; 1 = pressed

1

Right button status; 1 = pressed

2

Middle button status; 1 = pressed

3

Reserve (Always 1)

4

X data sign; 1 = negative

5

Y data sign; 1 = negative

6

X data overflow; 1 = overflow

7

Y data overflow; 1 = overflow

2

0-7

X data (D0 – D7)

3

0-7

Y data (D0 – D7)

4

0-7

Z data (D0 – D7)