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參數(shù)資料
| 型號： | EM85000 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | APPLE DESKTOP BUS MOUSE CONTROLLER |
| 中文描述： | 蘋果桌面總線鼠標控制器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 133K |
| 代理商： | EM85000 |
3
* This specification are subject to be changed without notice.
EM85000
APPLE DESKTOP BUS MOUSE CONTROLLER
11.6.1995
4.B3,B2=10:LISTEN command.(3 bytes)
LISTEN R3:Host writes controll status to mouse R3.
LISTEN R0 ~R2:No use in mouse.
Host must send 3 bytes. (1 byte command and 2 bytes register data to mouse R3)
TABLE 1
DEVICE ADDRESS
Addressing
Extended
Extended
Movable
Movable
Movable
- - - - - - - - -
- - - - - - - - -
- - - - - - - - -
- - - - - - - - -
Device Address
0
1
2
3
4
5
6
7
8 ~ F
1. Device address=0~F.
2. Movable:Host can change device address to new address(ex:Soft,reserved address)by LISTEN R3command.
TABLE 2
Device Type
Reserved
Appliances
Encoded Device
Relative Device
Absolute Device
Reserved
Reserved
Reserved
Soft address
Example
Keyboard address for initial address.
Mouse address for initial address.
Tablet address for initial address.
DATA STRUCTURE
DEVICE ECHO
NO
NO
2 BYTES
COMMAND
SENDRESET
FLUSH
TALK R0
LENGTH
1 BYTE
1 BYTE
1 BYTE
DESCRIPTION
If mouse has data to report,device echoes two
bytes(R0) to Host,otherwise no echo data.
No use.
No use.
Device always echoes two bytes(R3) to Host.
No use.
No use.
No use.
Host sends control status (R3) to mouse.
First byte:command.
Second and last bytes:R3 control register.
TALK R1
TALK R2
TALK R3
LISTEN R0
LISTEN R1
LISTEN R2
LISTEN R3
- - - - - - - - -
- - - - - - - - -
1 BYTE
- - - - - - - - -
- - - - - - - - -
- - - - - - - - -
3 BYTES
- - - - - - - - -
- - - - - - - - -
2 BYTES
- - - - - - - - -
- - - - - - - - -
- - - - - - - - -
NO
1. CODE:First byte reference TABLE 1.
2. LISTEN R3 command reference TABLE 4.
TABLE 3
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