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PT2268 Datasheet(PDF) 5 Page - Princeton Technology Corp |
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PT2268 Datasheet(HTML) 5 Page - Princeton Technology Corp |
5 / 16 page Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2268 V2.5 - 5 - April, 2006 Remote Control Encoder PT2268 TRANSMISSION WAVEFOM When any of the 8 keys (I1 ~ I8) is set to “High”, the TxOUT outputs one start word followed by 2 identical data words and a space. The code will be continuously outputted until the key is released. If for any reason, the key was released during the code transmission process, the code that is being transmitted during the key release action will still be completely outputted. Please refer to the following diagram. Start Word Start Word Start Word 1st Word 1st Word 1st Word 2nd Word 2nd Word 2nd Word Space Space Space 20ms 1 Frame=80ms 80ms I1 ~ I8 Tx O UT Note: OSC=455KHz TRANSMISSION CODE WAVEFORM The transmission waveforms of the Start Word and the different Data Words generated when a specific input key (I1 ~ I8) is pressed are illustrated below (see also Transmission Code Pattern Section). CLK START W1 W2 W3 W4 W5 W6 W7 W8 X X X=0.625ms 3X 1 0 |
Similar Part No. - PT2268_06 |
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Similar Description - PT2268_06 |
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