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SC84510AP 参数 Datasheet PDF下载

SC84510AP图片预览
型号: SC84510AP
PDF下载: 下载PDF文件 查看货源
内容描述: PS / 2滚轮鼠标CONTROLIER [PS/2 SCROLLING MOUSE CONTROLIER]
分类和应用:
文件页数/大小: 17 页 / 178 K
品牌: SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
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Silan  
Semiconductorsꢀ  
SC84510  
FUNCTION DESCRIPTIONS  
1. LEGACY PS/2 MOUSE OPERATING  
(A) Operating mode  
There are four operating modes in PS/2 mouse:  
(a) Reset Mode:  
In this mode a self-test is initiated during power-on or by a Reset command. After reset signal, PS/2 mouse  
will send:  
a Completion code AA & ID code 00.  
b Set default:  
* sampling rate: 100 reports/s  
* non-autospeed  
* stream mode  
* 2 dot/count  
* disable  
(b) Stream Mode:  
The maximum rate of transfer is the programmed sample rate.  
Data report is transmitted if  
a switch is pressed  
b movement has been detect  
(c) Remote Mode:  
Data is transmitted only in response to a Read Data command.  
(d) Wrap Mode:  
Any byte of data sent by the system, except hex EC (Reset wrap mode) or hex FF (Reset), is returned by  
SC84510.  
(B) PS/2 Mouse Data Report:  
(a) In stream mode: A data report is sent at the end of a sample interval.  
(b) In remote mode: A data report is sent in response to Read Data command.  
(c) Data report format:  
Byte  
Bit  
0
Description  
Left button status; 1 = pressed  
1
1
Right button status; 1 = pressed  
Middle button status; 1 = pressed  
Reserve  
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
0~7  
0~7  
Y data (D0~D7)  
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD  
Rev: 1.0  
2000.12.31ꢀ  
6