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PT2249AHN 参数 Datasheet PDF下载

PT2249AHN图片预览
型号: PT2249AHN
PDF下载: 下载PDF文件 查看货源
内容描述: 红外遥控接收 [Infrared Remote Control Receiver]
分类和应用: 遥控
文件页数/大小: 6 页 / 50 K
品牌: PTC [ PRINCETON TECHNOLOGY CORP ]
 浏览型号PT2249AHN的Datasheet PDF文件第1页浏览型号PT2249AHN的Datasheet PDF文件第2页浏览型号PT2249AHN的Datasheet PDF文件第3页浏览型号PT2249AHN的Datasheet PDF文件第4页浏览型号PT2249AHN的Datasheet PDF文件第6页  
Tel: 886-2-29162151  
Fax: 886-2-29174598  
URL: http://www.princeton.com.tw  
Princeton Technology Corp.  
Infrared Remote Control Receiver  
PT2249A / PT2250A Series  
C3 = 0. ) In this way, the PT2249A Series can match the C2, C3 Code Bits  
of PT2248 and correctly decode the remote commands.  
PT2249A Series  
PT2248  
CODE  
T3  
T2  
T1  
K6  
CODE3 CODE2 OSC  
Vcc  
C3=0  
C2=1  
C2=1  
C1=1  
C3=0  
Example 1  
Circuit Diagram when Code Bit C2 = 1 and C3 = 0  
2. Combination of PT2248/PT2250A Series Code Bits  
a) PT2250A Series Code Bit C3 is internally pulled high and thereby set at  
a default value of “1”. Thus, PT2248 Code Bit C3 must be set at “1”.  
b) PT2250A Series Code Bits C2 and C3 may be programmed as follows:  
1) “0”, “0” (This combination is not available with TC9150.)  
2) “0”, “1”  
3) “1”, “0”  
4) “1”, “1”  
c) To set Code Bit to “1” on PT2248, diodes must be connected to Code  
Terminal from the T1 ~ T3 terminals.  
d) To set Code Bit to “0” on PT2248, the terminals must be kept floating.  
PT2249A/50A v 2.3  
Page 5  
Revised Dec. 1999