IR Codes
IR Codes
How to Connect
GConnect your wired remote control to the Remote Control port on the TV.
Remote Control IR Codes
GOutput waveform
Single pulse, modulated with 37.917KHz signal at 455KHz
TC
T1
GConfiguration of frame
•1st frame
Carrier frequency
FCAR = 1/TC = fOSC/12 Duty ratio = T1/TC = 1/3
Lead code
Low | High |
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Data code | Data code | |||
custom code | custom code | |||
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C0 C1 C2 C3 C4 C5 C6 C7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7
•Repeat frame
Repeat code 
Tf
GLead code
9 ms
GRepeat code
9 ms
GBit description
• Bit “0”
0.56 ms
1.12 ms
GFrame interval : Tf
4.5 ms
0.55 ms
2.25 ms
• Bit “1”
0.56 ms
2.24 ms
The waveform is transmitted as long as a key is depressed.
Tf
Tf
Tf=108ms @455KHz
50 Plasma TV |