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IR CODES
1. How to Connect
,l_Connect
your wired remote control
to the Remote Control
port on the TV.
2. Remote Control
IR Codes
,_Output
waveform
Single pulse, modulated with 37917KHz signal at 455KHz
}
Tc
_q
,_Configuration
of frame
1 st frame
Carrier frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3
Repeat frame
]
,,_Lead code
Repeat
code
Tf
4
I-
F
,_Repeat code
]
9 ms
9 ms
4.5
ms
0.55
ms
t_YI
[
4
-0
-0
I'rl
z
x
,_Bit description
Bit "0"
I--]
I 0.5ores.
I
1.12ms
,l_Frame interval:
Tf
The waveform is transmitted as long as a key is depressed.
®
I
Tf
Tf
[ZM
2.24
ms
°1
[_
Tf=108ms
@455KHz
79
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