EM84513AFP Ver la hoja de datos (PDF) - ELAN Microelectronics
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EM84513AFP Datasheet PDF : 24 Pages
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EM84513
Mouse Controller
• Set Resolution ( E8,XX )
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
• Set Autospeed ( E7 )
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.
• Reset Autospeed ( E6 )
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)
Product Specification ((V0.9) 06.16.2006
•9
(This specification is subject to change without further notice)
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