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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  
Synchronous (Sync.) Bit Waveform  
The Synchronous Bit Waveform is 4 bits long with 1/8 bit width pulse. Please refer to the diagram  
below:  
1/8 bit width = 4  
4 bit width = 128  
Note: 1 bit = 32  
CODE WORD  
A group of Code Bits is called a Code Word. A Code Word consists of 12 AD bits followed by one Sync  
Bit. The 12 AD bits are interpreted as either address or data bits depending on the PT2272 version  
used. Please refer to the diagrams below:  
PT2272:  
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11  
SYNC  
PT2272A–M2/L2:  
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 D1 D0 SYNC  
PT2272–M3/L3:  
A0 A1 A2 A3 A4 A5 A6 A7 A8 D2 D1 D0 SYNC  
PT2272–M4/L4:  
A0 A1 A2 A3 A4 A5 A6 A7 D3 D2 D1 D0 SYNC  
PT2272–M5/L5:  
A0 A1 A2 A3 A4 A5 A6 D4 D3 D2 D1 D0 SYNC  
PT2272–M6/L6:  
A0 A1 A2 A3 A4 A5 D5 D4 D3 D2 D1 D0 SYNC  
One Complete Code Word  
PT2272 V3.7  
- 7 -  
June, 2008