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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  
PIN DESCRIPTION  
Pin Name  
I/O  
Description  
INPUT: 200kpull low to VSS.  
When OPT is connected to VDD, SC84510 will enter test mode. In test mode, L will  
be the output of X1, while M will be the output of X2. Toggling R key can change  
these output to be Y1, Y2 or Z1, Z2 respectively.  
OUTPUT: 2kHz Z-axis LED-driving source.  
OPT  
I/O  
“1” = VDD, “0” = floating  
High duty is about 60µs.  
OSC OUT  
O
I
RC mode oscillation with 50kresistor.  
OSCR  
CLK  
DATA  
R
I/O  
I/O  
Connect to 8042 auxiliary port CLK line.  
Connect to 8042 auxiliary port DATA line.  
Three key-switches inputs.  
I
I
M
200kresistor pull low.  
L
X1  
X2  
Y1  
Y2  
Three step dynamic input impedance.  
Use current comparator to measure photo-couples “ON”, or “OFF”.  
Z-axis input.  
Z1  
Z2  
Photo mode: Three steps dynamic input impedance. Current comparator input.  
Key mode: 200kresistor pull low. 7 levels increased by “M” key.  
Voltage mode: 200kresistor pull low. 7 levels voltage comparator.  
Mechanical mode: 13.2kresistor pull low.  
Negative power.  
I
VSS  
VDD  
Power line.  
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD  
Rev: 1.0  
2000.12.31ꢀ  
5