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PT2272-M2S 参数 Datasheet PDF下载

PT2272-M2S图片预览
型号: PT2272-M2S
PDF下载: 下载PDF文件 查看货源
内容描述: 遥控解码 [Remote Control Decoder]
分类和应用: 遥控
文件页数/大小: 22 页 / 539 K
品牌: PTC [ PRINCETON TECHNOLOGY CORP ]
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Tel: 886-2-66296288  
Fax: 886-2-29174598  
URL: http://www.princeton.com.tw  
Remote Control Decoder  
PT2272  
DECODER WITH DATA OUTPUT PINS  
1. When Power is turned ON, PT2272 activates the Stand-By Mode.  
2. It then searches for signals. If there is no signal received, it remains in the Stand-By Mode;  
otherwise, the address bits are compared with the address configuration of the pins.  
3. Whenever the Address Bits in a Frame match with that of the Address Configuration of the Pin, the  
data bits are stored into the memory. Also, when this IC finds two (2) continuous and identical data  
having the same address bits, the data output(s) is activated and the VT is enabled. The VT is  
disabled when there are 2 continuous mismatched addresses. For the momentary type, the data  
output is reset; while for the latch type, the data output is sustained.  
Power ON  
Stand-By Mode  
Disable VT &  
Reset Output Data  
(For Momentary Type)  
Disable VT &  
Sustain Output Data  
(For Latch Type)  
No  
Signal In?  
Yes  
No  
No  
Address  
Bit Match?  
Yes  
Store Data Bits  
Match  
Previous Data?  
Yes  
No  
Address Bits  
Match?  
Yes  
Data Bits Output  
& Activate VT  
Yes  
Yes  
Address Bits  
Still Match?  
No  
Address Bits  
Still Match?  
No  
PT2272 V3.7  
- 12 -  
June, 2008