Silan
Semiconductorsꢀ
SC84510
ꢀ
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. The
relationship between the input and output count follows:
Input
Output
0
0
1
1
2
1
3
3
6
4
5
9
N( ≥6)
2.0*N
(p) Reset Auto-speed (E6)
This command restores normal speed.
2. MICROSOFT PS/2 SCROLLING MOUSE MODE:
(A) Entering procedure: Except in WRAP mode, While SC84520 received the following consecutive command.
(a) F3 C8
(b) F3 64
(c) F3 50
---- set sampling rate 200/sec
---- set sampling rate 100/sec
---- set sampling rate 80/sec
(B) Operating:
(a) All of the command in legacy mode still is 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
0
Description
Left button status; 1 = pressed
Right button status; 1 = pressed
Middle button status; 1 = pressed
Reserve
1
1
2
3
4
X data sign; 1 = negative
Y data sign; 1 = negative
X data overflow; 1 = overflow
Y data overflow; 1 = overflow
X data (D0 – D7)
5
6
7
2
3
4
0 - 7
0 - 7
0 - 7
Y data (D0 – D7)
Z data (D0 – D7)
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
ꢀ
Rev: 1.0
2000.12.31ꢀ
11
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
