IR CODES
1. How to Connect
Connect your wired remote control to the Remote Control port on the TV.
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2. Remote Control IR Codes
Output waveform
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Single pulse, modulated with 37 .917KHz signal at 455KHz
Tc
T1
Configuration of frame
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1st frame
Lead
Low
code
custom code
Repeat frame
Repeat code
Lead code
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9 ms
Repeat code
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9 ms
Bit description
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Bit "0"
0.56 ms
Frame interval: Tf
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The waveform is transmitted as long as a key is depressed.
Carrier frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3
High
custom code
C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7
Tf
4.5 ms
0.55 ms
2.25 ms
1.12 ms
Tf
Tf
Data code
Data code
Bit "1"
0.56 ms
2.24 ms
Tf=108ms @455KHz
75