參數(shù)資料
型號(hào): EM83812DP
廠(chǎng)商: ELAN Microelctronics Corp .
英文描述: ALL-INONE PLUG & PLAY SCRLLING SERIAL MOUSE CONTROLLER
中文描述: 全I(xiàn)nOne的插頭
文件頁(yè)數(shù): 3/11頁(yè)
文件大?。?/td> 84K
代理商: EM83812DP
EM83812
ALL-INONE PLUG & PLAY SCRLLING SERIAL MOUSE CONTROLLER
FUNCTION DESCRIPTIONS
3
* This specification are subject to be changed without notice.
9.3.1999
Preliminary
(I) Serial Scrolling Mouse :
In Microsoft mode, the transmission cycle consists of four bytes in one report. Each byte contains one start
bit, 7 data bits and two stop bits. The first byte contains "L", "R" key status and four bits of the two most
significant bits in horizontal counter and vertical counter. The second byte represents the value accumulated
by horizontal counter, the third byte is the data of the vertical counter. The last byte contains "M" key status
and Z-axis value. The vertical data is transmitted in 2's complement.
Output byte arrange
Bit no.
1st byte
2nd byte
3rd byte
4th byte
......
......
....
....
....
6
1
0
0
0
5
L
4
R
3
2
1
0
V7'
H3
V3'
Z3
V6'
H2
V2'
Z2
H7
H1
V1'
Z1
H6
H0
V0'
Z0
H5
V5'
H4
V4'
M
0
Plug & Play ID code
When RTS input from low to high, EM84520 will send a string ID code. Customer can specify the contains
of the code area and the total lenth below 100 bytes by changing the code layer.
Field Name
Other ID
Begin ID
PnP Revision
EISA ID
Product ID
Serial Number
Class ID
Driver ID
User Name
Length
<17
1
2
3
4
9
<34
<42
<42
Field Data
4D, 5A, 40, 00, 00, 00
08
01, 24
25, 2D, 23
10, 10, 10, 11
3C
3C, 2D, 2F, 35, 33, 25
3C, 30, 2E, 30, 10 26, 10, 21
3C, 25, 2D, 23, 00, 33, 23, 32,
2F, 2C, 2C, 29, 2E, 27, 00, 33,
25, 32, 29, 21, 2C, 00, 2D, 2F,
35, 33, 25
21, 15
09
Description
ID for legacy
Begin PnP ID
Version 1.00
EMC
0001
None provided
Mouse Class
PnP0F0A
EMC SCROLLING
SERIAL MOUSE
Check sum
End PnP
2
1
2 bytes checks um
End PnP ID
(II). Z-axis Input Function :
(a) Photo couples input : Z-axis counter accumulates the Z1, Z2 phase changed by movement.
(b) Key-switches input : Pressing Z1, Z2 will start to fill the Z-axis counter with the value beginning at one.
Toggling "M" key can increase the value any time by one. The limit value is
±
7.
(c) The relationship between the value and the transmission rate as follows :
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