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123
APPENDIX
2.25 ms
9 ms
0.55 ms
4.5 ms
9 ms
T1
Tc
Repeat code
Tf
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
Lead code Low custom code High custom code Data code Data code
Tf Tf
Tf=108ms @455KHz
0.56 ms 0.56 ms
1.12 ms 2.24 ms
Bit “1”Bit “0”
V
Configuration of frame
1st frame
Repeat frame
V
Lead code
V
Repeat code
V
Bit description
V
Frame interval: Tf
The waveform is transmitted as long as a key is depressed.
1. How to Connect
V Connect your wired remote control to the Remote Control port on the TV.
2. Remote Control IR Codes
V Output waveform
Single pulse, modulated with 37.917KHz signal at 455KHz
Carrier frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3
IR CODES
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